The user wants "3 monkeys eating a banana in the middle of a forest very realistic". This seems like an image generation request — but I'm a front-end engineer. I can't generate actual photographs. What I can do is create a stunning web experience: a highly realistic-looking scene rendered with code. Since actual photo-realism via pure CSS/SVG is hard, I could use Three.js to create a 3D scene of monkeys eating a banana in a forest, with realistic lighting, fog, god rays, etc. That would be the most impressive interpretation. The user's request is ambiguous — it reads like an image prompt. Since I build web experiences, I'll interpret it as: build an interactive 3D web scene of three monkeys sharing/eating a banana in a forest, made "very realistic" through lighting, atmosphere, post-processing. Let me think about what's feasible. Building realistic monkeys procedurally in Three.js is a challenge. Options: 1. Use Three.js with procedurally modeled monkeys (spheres, capsules with fur-like material, subsurface-ish shading). Realism from: atmospheric fog, volumetric light shafts (god rays via shader), depth of field, film grain, ground with scattered foliage, floating dust particles, dappled light. 2. Use a sprite-based approach — but I can't use external image assets of monkeys (no such free assets guaranteed). I should build everything procedurally. I think the strongest play: a Three.js scene with: - A forest clearing: procedural trees (cylinders + foliage clusters), ferns, ground plane with displaced terrain and textured via canvas-generated noise textures. - Three monkeys built from primitives but carefully proportioned: body, head, muzzle, ears, arms, legs, tail (curved), with fur simulated via... could use a custom shader with anisotropic highlight or noise-based fur color. Or simpler: MeshStandardMaterial with procedural canvas fur texture (noise-streaked brown), plus rim lighting. - One banana being shared — actually "eating a banana" — maybe each monkey has interaction: one holds the banana, peels it, others reach. Or three monkeys each with a banana? "3 monkeys eating a banana" — singular banana, three monkeys — the classic image of three monkeys sharing one banana. That's charming: one holds it, one grabs a bite, one waits. I could animate: the banana gets bitten down progressively (scale shrinks / segments disappear), then... maybe a loop where a new banana appears? Or the banana shrinks as they "eat" and grows back. - Realism techniques: - Fog (FogExp2) with green-tinted atmosphere - God rays: fake volumetric shafts using translucent cone/plane geometry with additive shader - Dust motes: floating particles (small soft sprites via canvas-generated radial gradient texture — not plain squares) - Depth of field via post-processing (BokehPass) — might be heavy; could skip and instead use fog + subtle vignette overlay - Tone mapping: ACESFilmic - Shadows: PCFSoftShadowMap - Procedural bark texture via canvas noise - Ground: vertex-displaced with color variation, scattered grass blades (instanced crossed planes with alpha-tested canvas grass texture), ferns (instanced) - Camera: slow cinematic drift + OrbitControls so user can rotate/zoom (interactive 3D must be draggable) - Audio? Could add ambient forest sound via WebAudio synthesized (wind noise, birds chirps procedurally). That's a nice touch — synthesized bird chirps with oscillators. Optional toggle. That could be the signature moment: click a monkey and it reacts (chatter sound + head animation). Interactions: - Drag to orbit, scroll to zoom (OrbitControls) - Hover/click each monkey: it reacts — jumps, tail flicks, plays a synthesized monkey chatter (WebAudio: frequency-modulated squeaks) - The banana eating loop: monkeys take turns bringing the banana to mouth, banana shrinks; when finished, a peel drops to ground, a new banana falls from the trees (swinging on a vine? or drops with a bounce), loop continues. That's a memorable narrative moment. - Time of day toggle? Maybe keep focused. - A subtle UI: minimal title, controls hint, sound toggle. Typography: use a distinctive font (not Inter/Roboto) — e.g., "Fraunces" or "Cormorant" for a documentary/editorial feel, paired with a mono for specs. A "wildlife documentary" framing could be the narrative concept: like a nature film still — title card "Primates of the Canopy — Feeding Ritual, 04:12 PM" with a documentary aesthetic. That gives it an authored feel. Let me think about the documentary framing more: the page as a "living nature documentary frame". Top-left: small caps title "FIELD RECORDING 07 — FEEDING RITUAL". Bottom: a caption in serif italic like a nature film subtitle. A film grain + letterbox? Letterbox bars could be nice cinematic touch, maybe subtle. Vignette overlay. A live "REC" indicator? That might be cliché but the documentary subtitle that updates based on what the monkeys are doing is a great living detail: captions like "The eldest peels the fruit with practiced ease..." "The youngest waits its turn..." — dynamic narrative captions synced with the animation state machine! That's the signature moment: the scene tells a story with changing documentary-style subtitles. So the design concept: **an interactive wildlife documentary scene** — three procedurally-built monkeys share one banana in a sunlit forest clearing; documentary-style subtitles narrate the feeding ritual in real time; the user can orbit the camera, click monkeys to provoke reactions (with synthesized chatter), toggle ambient sound (procedural birds + wind), and watch the loop: banana shrinks with each bite, peel drops, a new banana swings down on a vine from the canopy. Now, the technical build. This is a big build. Let me plan carefully. **Tech stack**: Three.js from CDN (unpkg or cdnjs). Use non-module build for simplicity: `https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js` — r128 still has global THREE with legacy geometry. Actually, better to use a more modern version. Three r128 supports `THREE.OrbitControls`? No, OrbitControls is separate. I can either include the examples/js OrbitControls from a CDN (for r128, `https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js` works with global THREE) or write my own simple orbit controls. Writing a small custom orbit control (drag to rotate around target, wheel zoom, with damping) is ~40 lines and avoids dependency issues. I'll write my own — spherical coordinates with damping, clamped polar angle. **Scene composition**: - Renderer: antialias, shadowMap enabled (PCFSoft), ACESFilmicToneMapping, outputEncoding sRGB, pixel ratio capped at 2. - Camera: perspective 45°, positioned at (~6, 3.5, 9) looking at the monkey cluster at (~0, 1.2, 0). - Fog: `THREE.FogExp2(0xbfd8c2 or greenish, 0.035)` — forest atmosphere. Background: gradient? With fog, a solid color works, but a gradient sky dome (large sphere with vertex-color or shader gradient from misty green-grey at horizon to deeper green-blue up) would look better. But we're under a canopy, so mostly we see fog color. I'll do a big sky sphere with a subtle vertical gradient shader, plus canopy overhead (dark foliage clusters near top) to sell "in the middle of a forest". **Ground**: - CircleGeometry or PlaneGeometry 60×60, ~128 segments, displaced with layered noise (simple value noise function in JS) for gentle mounds. Vertex colors: dark soil with mossy patches (noise mix between brown and green). Material: MeshStandardMaterial with vertexColors, roughness 1. - Add a canvas-generated detail texture (noise) as map multiplied? Vertex colors alone with fog might be enough; a subtle repeating noise texture improves close-up realism. I'll generate a 256 canvas noise texture, use as `map` with vertexColors combining. - Dead leaves scattered: small dark ellipse sprites instanced on ground — adds realism cheaply. Or skip; grass + ferns may suffice. I'll add a few fallen branches (curved cylinders) and rocks (deformed icosahedrons with flat shading). **Trees**: - Trunk: CylinderGeometry with slight taper and bend (I can build a custom curved trunk via LatheGeometry or just stack/rotate segments; simpler: create a cylinder then bend vertices by shifting x as function of y). Bark texture from canvas: vertical streaks noise, brown. Use same texture on all trunks. - Roots: a few flattened cones at base. - Canopy foliage: many "leaf cluster" blobs — I could use icosahedron geometry displaced with noise, with a leaf-ish material (deep green, roughness 1, slight subsurface fake via emissive? no—just good lighting). Better: use alpha-tested "foliage card" cross-planes with a canvas-drawn leafy texture (draw many small leaf shapes with varied greens on transparent background) — foliage cards look more realistic than blobs. Combining both: blob for volume far away, cards near. To manage draw calls, use InstancedMesh for foliage cards. - Distant tree ring: darker silhouetted trunks around perimeter fade into fog — sells depth. Also a couple of big trunks near camera edges framing the shot (foreground elements catching fog = instant depth realism). **Ferns/undergrowth**: instanced fern = several elongated triangles/planes arranged radially, bent; texture with leaflet pattern via canvas. Instanced grass: cross-plane cards with canvas grass-blade alpha texture, InstancedMesh count ~400, slight wind sway via shader? Wind sway: I can inject a simple onBeforeCompile shader modification to sway with time — or animate via cheap trick: rotate whole grass clumps slightly with sin(time). Shader modification is more convincing; onBeforeCompile adding `transformed.x += sin(time + position...)` — I'll do a shared uniform time and patch the vertex shader for grass/fern/leaves. That's a nice realism touch (living environment). **God rays**: cone/plane light shafts — geometry: a few large, tilted thin planes (or open cones) from canopy to ground with a custom additive shader: color warm white-green, opacity falling off with height and edges (use uv-based falloff), blending additive, depthWrite false. Animate opacity subtly with time (shimmer). This plus fog sells the sunlit clearing. **Dust motes**: Points with canvas radial-gradient sprite, ~200 points drifting slowly upward with wander, additive blending, small size, only visible within light shaft areas roughly. Nice. **Monkeys** — the core challenge. Let me design a believable procedural monkey. Species vibe: brown capuchin-ish or rhesus macaque-ish (brown fur, pale face). Since three monkeys share a banana on the ground / on a log, I'll do macaque-like: brown-grey fur, lighter tan face and chest. Structure (per monkey, a THREE.Group, built from primitives with a shared procedural fur material): - Fur material: MeshStandardMaterial with canvas fur texture (streaky noise, brown with lighter tips), roughness 0.9; plus slight bump via same canvas as bumpMap for fuzz silhouette. Vertex colors not needed. - Body: sphere scaled (1, 0.85, 0.75) — or use CapsuleGeometry (available in r128? CapsuleGeometry was added r132? Actually CapsuleGeometry added in r131? Let me recall: THREE.CapsuleGeometry added in r131). To be safe with r128, avoid; use spheres and scaled spheres/cylinders. I'll pin three version: use r128 (widely cached, global build, stable). Geometry API in r128: SphereGeometry, CylinderGeometry, ConeGeometry, TorusGeometry, IcosahedronGeometry, PlaneGeometry, CircleGeometry, BoxGeometry, LatheGeometry — all fine (Geometry removed in r125, these are BufferGeometry-based in r128 — yes, in r125+ these classes produce BufferGeometry). - Body: main sphere scaled; belly/chest: lighter-colored slightly smaller sphere in front, flattened — gives pale chest patch. - Head group (so it can turn/tilt): skull sphere; muzzle: smaller sphere forward-lower, tan skin material; nose: tiny sphere or just a small dark triangle; nostrils two tiny dark spheres; mouth: dark thin torus arc or a small dark ellipse that opens when eating (scale y of a dark "mouth" sphere to animate chewing); eyes: white-ish spheres + dark pupils (spheres) + subtle eyelids (a skin-colored half-sphere slightly larger, can rotate to blink!) — blinking is a huge realism win: eyelids as spheres clipped (thetaLength hemisphere) that rotate to cover eye periodically. - Brow ridge: small skin sphere band? Might skip; ears: two "ear" shapes — flattened spheres (skin colored) on sides, macaques have ears on side of head — flattened torus or scaled spheres. - Fur tuft on top: small cone or displaced sphere. - Arms: upper arm cylinder + forearm cylinder, with sphere joints; hands: small spheres with tiny finger spheres? Keep simple: sphere hands with slight scaling. Arms attached via shoulder groups so they can rotate (IK-ish: I'll do simple two-joint arms with precomputed keyframe poses rather than real IK). - Legs similarly; feet as flattened ellipsoids. - Tail: chain of small spheres following a curve (I'll implement tail as a TubeGeometry along a CatmullRom curve that I re-generate each frame with a sway function — regenerating geometry per frame per monkey might be costly; alternative: tail as a series of ~10 sphere segments whose positions I set each frame along a parametric curve — cheap and flexible, good for tail flick animation). - Fur realism booster: a "fur shell" — a second slightly larger copy of body/head with alpha-noise texture (canvas with random streak pixels, transparent gaps), giving a fuzzy silhouette. That's the classic shell technique; one shell layer is enough. I'll apply to body and head. Shell material: MeshStandardMaterial with alphaMap (noise), transparent, alphaTest 0.3 to avoid sorting issues, depthWrite true with alphaTest. Using alphaTest avoids transparency sorting. Fur shell could have slight time-based jitter (vertex wobble) — maybe skip jitter, static fuzz is fine. Given complexity, I'll write a `buildMonkey(opts)` function producing a rigged group with named parts stored in `userData`/returned object: { group, head, jaw/mouthOpen, eyelids, armL/armR (shoulder+elbow groups), tail (array), earL... }. Animations (procedural, driven by a per-monkey state machine + global clock): - Idle: breathing (body scale y subtle sin), tail sway (curve phase), blinking (random 2–6s), head glances (look at banana or random targets with smooth turn), occasional scratch (arm rotates to body quickly) — maybe keep to breathing, blinks, glances, tail sway, ear twitch. - Eating: when a monkey's turn: hand (arm) moves banana up to mouth — I'll animate the arm holding the banana via simple parametric interpolation of shoulder/elbow rotations; mouth opens; chomp sound; banana shrinks (scale, or geometry sections). Chew: jaw motion + slight head bob. - Reach/grab: another monkey extends arm toward banana. - Clicked reaction: jump (group y hop), chatter (WebAudio squeak series), tail flick, head shake — plus the caption updates ("The middle one protests noisily." etc.). Simplification for sanity: The eating choreography: One monkey (Alpha) holds the banana in one hand. Sequence loop: 1. Alpha raises banana to mouth, bites (banana shrinks 20%), chews. 2. Second monkey (Beta) reaches over, Alpha passes banana — hmm, passing between hands is complex (reparenting banana). Doable: banana mesh reparents from alpha's hand group to beta's hand group with a quick tween (just snap during a fast motion so it's not noticeable). Or simpler choreography: banana sits on a central rock/log; each monkey in turn leans in, grabs, bites, puts back? A shared central banana with turn-taking is easier and reads clearly: banana floats? No — banana on a mossy log in center; three monkeys crouch around it; turn-taking: current eater reaches to banana (hand goes to banana position — I attach banana to the eater's hand during his bite phase, then back to log), bites 2–3 chomps (banana shrinks), places back, next monkey. When banana fully eaten: peel falls to ground (a separate peel mesh that was hidden/scrolled), a new banana drops from above hanging on a thin vine from a branch, swings, lands on the log, loop restarts. The vine+banana dropping is a delightful signature beat. The passing could still be a phase: after eating, "offers to next" — but reparenting complexity is the same. Let me design the hand/banana mechanics: - Banana: group with banana mesh (curved cylinder — LatheGeometry? A banana shape: I can build from a bent cylinder: create CylinderGeometry with many height segments, then bend vertices along a curve in JS → nice banana shape; yellow MeshStandardMaterial roughness ~0.5, slightly emissive? No — just yellow with a touch of green at tips via vertex colors or separate small green tips. Add subtle brown speckles via canvas texture — banana peel texture from canvas: yellow base with tiny brown flecks — very good realism detail.) - Peel: could reuse the banana geometry scaled with peeled look... Simplify: when the last bite happens, banana mesh swaps to a "peel" version: I'll construct the peel as two/three curved flaps (the bent cylinder opened — too fancy). Alternative simpler: after finishing, the remaining banana fades/shrinks to nothing; a peel (a slightly larger, open cone-ish shape made of 3 bent plane flaps in yellow-brownish color) drops with physics-lite (gravity + rotation, lands on ground). I'll build peel from 3 elongated curved planes (PlaneGeometry bent) arranged around, tips outward, brownish-yellow inside color — actually classic cartoon peel shape reads well and can still look decent with good material. For hand-held banana during eating: parent banana to hand group of active monkey with offset; when not held, parent to scene at log position. Reparenting + tween: I'll implement my own tween helper (simple lerp-based with easing). To make the swap seamless, during the "reach" phase the hand moves to banana's world position; at grab moment, reparent to hand (keeping world transform via attach() — three r128 has `object.attach(child)` which preserves world transform — yes, Object3D.attach exists since r109). Then raise to mouth. Then lower back to log, at release, `scene.attach(banana)` then tween position to log rest spot. `attach` makes this clean. Arms: to reach arbitrary points I'd want IK. Simple 2-bone IK (shoulder→elbow→hand) in 3D: I can implement a basic two-joint IK: given shoulder world position and target, with upper length L1 and forearm length L2, compute elbow bend. But arms are children of rotating bodies... complexity rising. Alternative approach: fake it — I keep arms posed by keyframed rotation sets: for each phase (idle-crouch, reach-to-log, hold-high-to-mouth, chew), define shoulder/elbow rotation tuples, and lerp between them with easing. Since the log position and banana positions are fixed relative to each monkey (they sit in fixed spots around the log), precomputed poses will line up visually — I'll hand-tune angles. This is far more reliable than IK in limited time. The hand offset where banana attaches: `hand.add(bananaHolder)` — banana attach point at hand; when pose "mouth" reached, banana is near mouth. I'll tune. So each monkey gets pose keyframes: - rest: arms forward-down toward log, slight variation per monkey (one resting on knees, one scratching head occasionally, one arm around... ) - reach: arm extends toward banana spot on log - eat: reach pose but different (bring to mouth: shoulder rotated up/in, elbow bent) - chew handled by jaw + head, arms hold pose - react (clicked): quick arm up + hop Rather than full IK, tune per monkey since they're at different angles around the log. I'll place monkeys at fixed angles around log center: e.g., alpha at front-left facing camera-ish, beta right, gamma behind-left. Their reach poses tuned accordingly. To reduce tuning pain, I can build arms with a helper that lets me specify "hand target" and solves rotations approximately within the monkey's local space... Honestly, a small 2-bone IK in local space is not that bad and saves tuning: Two-bone IK approach in local space: shoulder group at position S (fixed local). Hand is end of chain: upperArm cylinder rotates with shoulder group; elbow group child at end of upper; forearm rotates with elbow; hand at end. To hit target T (in monkey root local space): - d = |T − S|, clamp to L1+L2−ε. - Compute shoulder rotation: aim the arm plane. Using the law of cosines to get elbow interior angle. Direction handling with quaternions: I can do: - Let dir = normalize(T − S). - Elbow bend angle: cosElbow = (d² + L1² − L2²)/(2·d·L1) → elbow rotation about local X (bend axis) = π − acos(...). - Shoulder quaternion: rotate the default arm direction (pointing down local -Y, say) to dir, then pre-rotate by the "carry angle" around the bend axis... The classic simple method: - q1 = quaternion from (0,-1,0) to dir. Then shoulder.q = q1 * q0 where q0 rotates upper arm by -(elbowInterior)?? I need the elbow bend plane orientation — typically bend around an axis perpendicular to dir and the "pole" vector. For a believable arm, pole = monkey's forward-ish/down. Simplified method: 1. Compute in a canonical frame: place arm along -Y. bendAngle for shoulder from vertical: a1 = acos((L1² + d² − L2²)/(2·L1·d)); 2. Build rotation: shoulderRot = qAim * qTwist * rotX(a1)? Hmm, easier and robust: compute positions directly. Since it's all for show, I can skip rotation math by constructing arms as positioned cylinders: define shoulder point S and hand point H each frame; compute elbow point E via circle intersection in the plane containing S, H, and pole direction; then place upper-arm cylinder between S and E and forearm between E and H using a "cylinder between two points" helper (position midpoint, orient with quaternion from up-vector to direction, scale length). Spheres at joints hide seams. This is straightforward, looks correct, and allows smooth animated hand targets (lerp target positions). Hands: small sphere + fingers maybe. I'll do this: **position-based limbs** — every frame compute S (fixed in body space, but body may bob/rotate — so compute in world space, attaching limb meshes to scene root per monkey... simpler: keep limb meshes as children of the monkey group, and do all math in the monkey's local space (target positions expressed in local space). Body sway is small; treat shoulder anchor as computed from body group with offsets applied in local space. Actually the cleanest: within monkey root group (which itself sits on ground, can hop/rotate), body child group bobs slightly. Shoulder anchors defined relative to root (fixed, since bob is tiny — or I apply bob to whole root, fine). Limb segments are children of root; each frame: - targets in root-local space from the animation state (e.g., rest targets near knees, reach target = banana spot transformed into root local space, mouth target = mouth position local). - Smoothly interpolate current hand targets toward desired (exponential smoothing) — gives organic motion. - Solve elbows via the circle method: given S, H, upper length L1, forearm L2: - d vector H−S, len d clamp. - mid-length along d: a = (d² + L1² − L2²)/(2d) [distance from S toward H of the elbow's projection]; h = sqrt(max(0, L1² − a²)). - Plane normal: n = normalize(cross(dDir, pole)) where pole is some reference like monkey's local forward + up blend, then elbowPos = S + dDir·a ± n·h (choose sign so elbow bows backward/down like a monkey's arm). - Place cylinders S→E and E→H. This also makes legs trivial — but legs for a crouching monkey: feet planted at fixed spots, hips at fixed spots, same solver. Tail: chain of points computed from a sway curve each frame; render with 8 small spheres decreasing size, or use the two-point-cylinder trick between consecutive points with decreasing radii. Spheres simpler: 9 spheres, positions along a CatmullRom-ish parametric curve: tail root at back, curving up and behind with per-frame sway: p_i = rootPos + f(i/N, t). I'll write f with a base curl + sin sway with phase along the tail — classic. Spheres radius decreasing 0.09→0.03. The mouth/chewing: mouth = dark inner sphere slightly inside muzzle, scale y animated (open/close) + jaw sphere pivot? Simplest good-looking: an ellipsoid "open mouth" dark red-black sphere that scales from 0.1 (closed line hidden inside muzzle) to open; plus lower jaw? A dark sphere emerging works fine at this scale: when open, a dark berry-shaped sphere appears at mouth position + hand brings banana to overlap it, banana shrinks → reads as a bite. Add chomp scale animation. Eyes: white sclera small + dark brown pupil; blink via lid: skin-colored sphere slightly larger than eyeball, rendered as a hemisphere/theta-clipped sphere, rotated down over the eye periodically. Alternatively scale eyelid as flattened sphere moving down. I'll do lids as clipped spheres (SphereGeometry with thetaLength: π/2, i.e., top hemisphere) parented at eye center; rotation.x from -1.2 (open, hidden above/behind brow) to 0.6 (closed covering eye) — tune. Fur texture canvas: 256×256; fill base brown; draw ~4000 short 1–2px strokes in varying browns/greys (lighter tones), vertical-ish random directions; gives streaky fur. Use as map + bumpMap on fur material; and a second noise canvas with alpha holes for the fur shell alphaMap. Face/hands skin material: tan color, roughness 0.7, slight... fine. **Log**: central fallen log — cylinder horizontal, radius ~0.35, length ~2.6, bark texture, ends with lighter inner-wood circle (cap material with rings texture from canvas — concentric arcs — nice realism!), moss patches on top (flattened green noise spheres or a moss texture strip). Banana rest spot on top of log. Some mushrooms? Little conks (half-discs) on log side — charming detail. **Lighting**: - Hemisphere light: sky greenish (#a8c8a0-ish), ground dark brown, intensity ~0.5. - Sun: DirectionalLight warm (#ffe8c0 or greenish-yellow #e8ffd0 tinted by canopy — a greenish-gold #f4ffd6), intensity ~1.6, from upper back-left angled down, castShadow, shadow map 2048, tuned frustum around center (±8). - Subtle rim/fill: a dim directional from camera side cool green (#9fb8a8, 0.35) to lift silhouettes against dark background, no shadow. - A small warm PointLight near the banana/log center to create a pool of light on the action — actually light shafts are overhead; place a SpotLight from above the clearing aimed at the log, warm greenish-white, castShadow? Directional already casts; a spotlight adds the "clearing pool" feel — yes, add SpotLight (cone matching god-ray visuals) intensity 1.2, penumbra 0.6, from y=9 above, target log. That ties god-rays to actual lighting — realism. - Renderer physicallyCorrectLights maybe skip. **Post/film feel**: DOM overlays: vignette (radial-gradient), subtle film grain (animated via CSS with an SVG feTurbulence background or a canvas overlay with random noise redrawn at low fps — cheap: a small 128 canvas noise tiled as background-image with opacity 0.05, regenerate every ~120ms via JS; or a static noise PNG generated once and CSS `animation` of background-position — I'll generate a noise dataURL once, animate position with CSS steps — lightweight). Letterbox bars: maybe thin cinematic bars top/bottom with the title in the top bar — the documentary frame. Yes: top bar contains "FIELD RECORDING — Nº 07" left and a live clock/timecode right (running timecode 00:00:00:ff ticking) — documentary vibe, alive. Bottom: subtitle area (narration captions, serif italic). This chrome frames it like an archival nature film. Font choices: "Fraunces" (serif, characterful) for captions + "Space Grotesk" or better a mono like "IBM Plex Mono" for the technical labels. Fraunces italic for narration is lovely. Colors of UI: off-white/cream (#e8e4d8) with low opacity, no gradients. **Sound** (WebAudio, all synthesized, off by default with a toggle — better: ON by default? Browsers block audio until user gesture; so start muted, show "sound" toggle button; on first click anywhere enable? I'll have a sound toggle in top-right; clicking it initializes AudioContext. Also clicking monkeys could auto-enable? No — keep explicit toggle, plus a hint.) Sounds: - Ambient: filtered noise (wind through leaves): white noise buffer → bandpass ~500Hz with slow LFO on gain/filter freq; bird chirps: scheduled random chirps: oscillator sine with rapid pitch sweep 3–5kHz descending, tiny gain envelopes, random intervals 3–9s, random pan. Maybe a distant cuckoo two-note occasionally. - Monkey chatter on click: series of quick "chi-chi" — noise burst + sine sweeps 800–1400Hz with fast AM (square LFO on gain ~30Hz) for a chatter rasp. - Chomp on bite: short filtered noise burst (lowpass 300Hz) + tiny pitch drop sine — a soft "gomme". - Vine/whoosh for banana drop, soft thud on landing. Keep synthesis code compact. **Narration captions**: A state machine drives the scene; captions crossfade (fade out/in) synced to phases: - Phase REST: "Dusk in the mid-canopy. Three macaques gather around a single banana." - ALPHA_REACH: "The eldest claims the first bite — rank has its privileges." - ALPHA_EAT: "…" maybe show eat sound words? no. "A practiced twist of the wrist. Nothing wasted." - PASS to BETA: "The second waits its turn, hand half-raised, patient." - BETA eat: "Riper than it looks — the middle one takes more than its share." - GAMMA: "The youngest gets the last of it, and doesn't seem to mind." - FINISH: "In under a minute, nothing remains but the peel." then peel drops "The canopy provides. The canopy takes back." - New banana drops: "Above — another gift, swinging down on a vine." - Click reactions: "…and a sharp word for the intruder." etc. Captions in user language: the user wrote English → captions in English. The full eating choreography per loop (turns): to keep it readable in ~30–45s loop: Alpha bites 3 chomps (banana scale 1→0.7), Beta 2 chomps (→0.45), Gamma 2 chomps (→0.15), then final: Alpha finishes (→0) — peel drops. Vine lowers new banana, swings to rest on log; repeat with slightly randomized caption variants maybe. Timing per phase: reach 1.2s, bite sequence 2.5s, return 1.2s, rest between 2–3s. Total loop ~25–30s. Hmm wait — "3 monkeys eating a banana" — all three share the banana. Good, that's the design. **Vine banana drop**: from a branch above (I'll place a visible branch overhead across the clearing at y≈6), a thin vine (line/cylinder) with banana attached at end, descends (like lowered by an unseen hand? In nature documentary logic it's odd — maybe the banana falls from canopy: simple: banana detaches from canopy, falls with slight rotation, lands on log with a bounce and soft thud, with leaves fluttering down after it. Falling leaves (a few alpha-tested leaf sprites spinning down) = lovely. Vine might be weirder than a straight fall; falling from canopy is plausible (dropped by a monkey above, out of sight — caption can joke "Dropped, perhaps carelessly, from somewhere above."). Do falling banana + 5 fluttering leaves. Peel: after final bite, remaining banana piece hidden; peel appears in Alpha's hand?? Simplest: peel appears where banana last was (in hand, mid-final-bite), Alpha "tosses" it (arm swing), peel becomes scene child, ballistic arc to ground near log, small bounce, stays. Meanwhile leaves etc. Keep. Peel model: build from 3 bent planes: each flap = PlaneGeometry(0.14, 0.5, 1, 6) bent along its length (curve vertices) rotated outward from center bottom, plus inner tan color — use DoubleSide material yellow with slight brown via texture. Position flaps radiating from a small stem cylinder. Looks like classic opened peel standing on ground. **Ground clutter**: rocks: 5 icosahedrons (detail 1) with vertex jitter + noise texture grey, flatShading; fallen branch: bent cylinder dark; mushrooms: 2–3 tiny (stem cylinder + cap squashed sphere, cap dull orange-brown with lighter rim? no gradients — solid colors with bump) — cute realism. Leaf-litter: instanced small dark-leaf cards on ground random rotation, ~80. **Canopy overhead**: dark foliage cards high up (y 5.5–8) instanced with leafy texture (darker, backlit look) + sky barely visible. Foreground framing: 2 large trunks at x≈±5 near camera start z>6 with foliage — with fog they silhouette. Also hanging vines: thin vertical cylinders/curved lines from canopy at edges, swaying slightly. **Performance**: InstancedMesh for grass (300–500), leaf-litter, foliage cards (~150), ferns (~40 as groups of planes — instanced per frond tough; I'll make each fern one merged geometry? Without BufferGeometryUtils merging... r128 has BufferGeometryUtils in examples only. I can merge manually: create fern as Group of 6 planes; 25 ferns × 6 planes = 150 meshes — too many draw calls maybe fine (150 simple meshes OK but plus everything...). Better: make ONE InstancedMesh of fern frond planes: frond plane geometry (bent, with fern texture alpha), instanced 150 times with random rotation/tilt around 25 cluster centers — reads as ferns. Good.) - Grass: instanced cross cards. Actually single-plane cards with random Y rotation is fine (alphaTest both sides visible? plane frontside only — set material.side = DoubleSide so one card reads from all angles). One InstancedMesh, 400 cards, DoubleSide, alphaTest 0.5. - Wind sway shader: patch material.onBeforeCompile to add sway based on instanceMatrix world pos + time uniform. With InstancedMesh in vertex shader: position transformed... I'll add: `transformed.x += uWindAmp * sin(uTime*1.3 + (instanceMatrix[3].x)*3.1 + transformed.y*2.0) * smoothstep(0.0,0.6,frondFract);` — apply weight by uv.y so base of blade stays anchored: `float swayW = pow(uv.y, 1.5);` (uv available as attribute). Need to inject before `#include ` replacement: replace `#include ` with custom. And declare uniforms via `shader.uniforms.uTime = timeUniform;` with `uniform float uTime;` prepended. Works with MeshStandardMaterial. Keep ONE shared material per type; three materials to patch: grass, fern, foliage cards, leaf-litter (small sway not needed), vines maybe. Manageable — write helper `addSway(material, amp, freq)`. Dust motes: THREE.Points with custom PointsMaterial (map = radial sprite canvas, size ~0.05, sizeAttenuation, transparent, depthWrite false, blending additive, opacity 0.6), animate positions in JS each frame (200 points: y drift + sin wander; recycle when out of bounds region ~ box around clearing). Cheap. **Camera**: custom orbit: initial target (0, 1.1, 0); radius 7.5, theta ~ 0.6, phi ~1.25; damping; drag rotates, wheel zoom clamps 4–12, maybe auto slow drift when idle (auto-rotate very slow that pauses on interaction for 5s then resumes? A gentle constant cinematic drift unless user has interacted recently — nice). Also subtle handheld: tiny noise wobble on camera position/lookAt for documentary handheld feel! ±0.03 amplitude slow — adds life. Do it. Also devicePixelRatio cap 1.75. Resize handler. **Intro**: brief fade-in from black with title "PRIMATES / a feeding ritual observed" — top-left corner typography; camera starts slightly further and eases in. Keep simple: overlay fades over 1.5s. **UI elements**: - Top bar: left "FIELD RECORDING Nº 07 — OLD GROWTH CLEARING" small caps mono, right timecode ticking (frames at 24fps based on elapsed) + REC dot (small red circle blinking) — classic but effective; is REC dot a cliché? It's diegetic to documentary framing; fine, keep tiny. - Bottom: caption area centered, serif italic (Fraunces), with small "•" live indicator? no. Caption fade transitions. - Bottom-right: controls: sound toggle button (icon), and maybe a "slate" info button that opens a small panel describing the scene? Extra: an info panel (like field notes): "Subject: three macaques (procedural), one banana (Musaceae)..." with credits — adds authored feel. Keep a small panel toggled by button "FIELD NOTES": lists Subject, Location, Equipment, Notes — playful. All wired: sound toggle works, notes toggle works. - Hint text near bottom-left initially: "drag to orbit — scroll to zoom — click a monkey" fading after first interaction. - Icons: use inline SVG icons (speaker on/off, info) — I'll hand-draw simple SVG paths (no emoji). Since I avoid icon libraries dependency for two icons, inline SVG is cleanest — that's using proper icons. Fonts via Google Fonts CDN: Fraunces (400 italic, 600) + IBM Plex Mono (400, 500). Color scheme: forest greens, warm light; UI cream (#e9e4d4) on dark scene, red accent only for REC dot (#c33). No gradients in UI (flat translucent panels with backdrop blur maybe — flat is fine; slight rgba black panels with 1px borders). **Now let me think about code structure & sizes.** This is a large single HTML file; I'll organize: 1. HTML skeleton: canvas container, overlay UI (top bar, caption, buttons, hint, notes panel), styles. 2. JS: - Utilities: rand, noise (simple hash-based value noise 2D), canvas texture builders (fur, bark, leaves, grass, fern, banana, ground, wood rings, radial sprite, alpha noise). - Renderer/scene/camera/lights/fog setup. - Environment build: sky dome, ground, trees (function makeTree), foliage instancing, grass, ferns, light shafts, dust, log, rocks, branch, mushrooms, leaf litter, canopy, framing trunks. - Monkey builder + limb solver + animation system. - Banana + peel + falling sequence. - Scene state machine (phases, timings). - Audio engine. - UI wiring (timecode, captions, toggles, hint). - Render loop with clock; camera controls (custom orbit + handheld). Let me pre-plan tricky math: **Two-bone limb solver** (in monkey local space): ```js function solveLimb(shoulderPos, targetPos, L1, L2, poleDir, upperMesh, foreMesh, handMesh){ // clamp let d = targetPos.clone().sub(shoulderPos); let len = Math.min(d.length(), L1+L2-0.001); len = Math.max(len, Math.abs(L1-L2)+0.001); d.normalize(); const a = (len*len + L1*L1 - L2*L2)/(2*len); // distance along d from S to elbow projection const h = Math.sqrt(Math.max(0.0001, L1*L1 - a*a)); // bend plane normal: perpendicular to d, containing pole let poleVec = poleDir.clone().sub(d.clone().multiplyScalar(poleDir.dot(d))); if (poleVec.lengthSq() < 1e-6) poleVec.set(0,1,0).sub(...) // fallback poleVec.normalize(); const elbow = shoulderPos.clone().addScaledVector(d, a).addScaledVector(poleVec, -h); // elbow bends TOWARD -pole? sign tune placeSegment(upperMesh, shoulderPos, elbow, r1); placeSegment(foreMesh, elbow, targetPosClamped, r2); handMesh.position.copy(targetEnd); } ``` Wait sign: elbow should bend away from pole direction... For arms, elbow points backward/down: pole defines direction the elbow bulges? I'll define pole as the direction the ELBOW points (bulge direction), then elbow = S + d·a + polePerp·h where polePerp is the component of pole perpendicular to d: `elbow = S + d*a + polePerp_normalized * h`? No — the correct construction: elbow lies in the plane spanned by d and pole, offset from the S+d·a point perpendicular to d within that plane, toward pole: ``` planeVec = normalize(pole - d*(pole·d)) elbow = S + d*a + planeVec*h ``` Yes with pole = desired elbow bulge direction. placeSegment: cylinder geometry unit (height 1, centered) oriented along Y; to place between p1,p2: mid = avg; quaternion setFromUnitVectors((0,1,0), dir); scale.y = len; position = mid. Cylinders with radiusTop/bottom taper slightly: make geometry radius 1 and scale x,z by radius per segment — using unit radius cylinder (radialSeg 10, heightSeg 1), scale.set(r, len, r). Taper: use two geometries: for each limb, one geometry each with fixed radii; scale only length. Fine: upper arm radius 0.075, forearm 0.06. Hands: sphere at target end slightly larger + maybe 3 tiny finger spheres — keep: hand sphere 0.075 scaled (1,0.8,1.2) oriented... just sphere. Plus a "thumb"? skip. Feet: elongated ellipsoids at planted positions, static. Legs: solve with hips to feet fixed: feet planted positions local; hips local; slight body bob changes hip positions — recompute legs each frame from hip anchor points that I can define in a "pelvis" that bobs — or simpler: keep pelvis fixed, bob only chest/head — breathing bob on head/torso mesh only, limbs anchored to fixed root points. OK. Actually design the monkey root: root group at ground, rotated to face log center. Local coordinates: +Z = facing forward (toward log). Crouch pose: - Pelvis at (0, 0.32, 0). Body sphere center (0, 0.52, 0.02), radius ~0.26 scaled (1.15, 1, 0.9). Chest pale overlay sphere (0,0.5,0.14) scaled flat, slightly smaller, tan, positioned front — must not z-fight: place at +z 0.13 with radius 0.2 scaled (0.9, 0.85, 0.62). - Head group at (0, 0.86, 0.16): skull sphere r 0.155 scaled (1,1.05,1.05); face plate: tan sphere r 0.13 scaled (0.95, 1, 0.55) at z +0.06 (muzzle area); muzzle: tan sphere r 0.075 scaled (1.15, 0.8, 1) at (0, -0.04, 0.12); nostrils: two tiny dark spheres r 0.008 at (±0.018, -0.015, 0.185)-ish; mouth: dark sphere r 0.05 at (0, -0.075, 0.13) scaled (1.3, openAmt, 0.8), openAmt animated 0.12→1; when chewing also moves slightly. Brow: skin torus? skip. Eyes: eyeball white-cream spheres r 0.032 at (±0.055, 0.035, 0.115); pupils r 0.014 at z +0.024 from eyeball center, dark; eyelid: SphereGeometry(0.036, 12, 8, 0, Math.PI*2, 0, Math.PI/2) tan, at eyeball pos, rotation.x animated from -1.35 (open) to 0.5 (closed). Blink both eyes with slight offsets. Ears: two flattened spheres r 0.045 scaled (0.35, 1, 0.8) at (±0.145, 0.02, -0.01), skin-colored slightly darker; macaque ears smallish. Head fur cap: skull uses fur material already; add hair whorl tuft: tiny cone fur-colored on top tilted — cute. - Shoulder anchors: (±0.19, 0.62, 0.05). Arms L1 0.22 L2 0.24 — enough to reach log? Monkey sits ~0.55–0.75 from log center; log top y 0.42ish. If the monkeys sit ON the ground around the log: distance from shoulder to banana spot could be ~0.5–0.7 → arm total 0.46 not enough. Enlarge arms: L1 0.26 L2 0.28 (0.54 reach) and place monkeys closer: seated ~0.55 from center, shoulder at (±0.19...) world distance ~0.55+0.19... hmm shoulder local x offset sideways doesn't add to forward reach. Banana spot on log top at (0.0, 0.5, 0)ish in world (log along x-axis: log from (-1.3,0.2,0) to (1.3,0.2,0) radius 0.22, top y ≈ 0.42). Wait log radius: make radius 0.19, center y 0.19 → top 0.38. Banana rest at (0, 0.42, 0) (on top of log at center, slight above). Monkey seated at distance 0.62 from log axis along z: root at z = 0.62 facing -z toward log... Let me define: monkey A at angle 160°, B at 20°, C at 270°? Place three around: A front-left (-0.5, 0, 0.55), B front-right (0.55, 0, 0.35), C right-back (0.15, 0, -0.75)?? They should form a roughly triangular arrangement, all facing log center. Shoulder heights ~0.62. Shoulder of A at (-0.5±0.19, 0.62, 0.55+) → distance to banana point (0,0.42,0): for A root at (-0.55, 0, 0.6), shoulder world ≈ (-0.55+side, 0.62, 0.6+0.05facing...). Facing center means forward -direction toward origin. Distance shoulder→banana ≈ sqrt(0.55² + 0.65²) horizontal ≈ 0.85 minus arm anchor... too far for 0.54 reach. Options: bigger monkeys (scale whole monkey 1.15–1.25) and/or seat them closer (0.42 from center) and arms longer (L1 0.28, L2 0.3 → 0.58 reach × scale 1.2 = 0.7). Let me just make monkeys decently sized: scale factor s=1.25 applied to root; seated radius 0.5; reach needed ≈ sqrt(0.5² + (0.65-0.2?)...) — shoulder world pos: horizontal distance from shoulder to banana point: root at 0.5 from center; shoulder anchored 0.05 forward → 0.45 horizontal; vertical shoulder 0.62·1.25=0.775 vs banana y 0.42 → dy 0.35. Total ≈ sqrt(0.45²+0.35²)=0.57 needed vs reach 0.58·1.25=0.72. Rather than exact-precision planning in my head, I'll implement with parameters and choose generous values; slight reaching inaccuracy is fine because the hand target doesn't need to visually touch exactly — banana reparenting snaps to hand holder anyway, and hands approach within a few cm. I'll set: monkey scale 1.3, L1=0.28, L2=0.30, seat radius 0.52, log top y 0.40, banana rest (0.15, 0.46, 0.08) (on log slightly off-center for natural composition). Also each monkey's reach target lerps from rest pose (hands on log/knees: e.g., local (±0.14, 0.34, 0.30)) to banana position transformed in local space during reach phase. And mouth target local: (±0.06?, 0.86·? ...) — mouth local approx (0.02, 1.12, 0.34)? Since scale 1.3 multiplies everything if I put the solver in local pre-scale space and scale the root — the targets defined in unscaled local coordinates then scaled with root automatically (children inherit). Banana reparenting: attach to hand group — the hand meshes are children of root; `handGroup.add(bananaHolder)` where bananaHolder positioned at hand point (scaled space) — since root scale 1.3, banana as descendant inherits scale 1.3 → banana gets 1.3× bigger in hand. I must counter-scale banana: when attached, set banana.scale accordingly (banana world scale target 1 → set scale 1/1.3 relative? attach preserves world transform? `Object3D.attach` keeps world transform, so scale stays 1. Then when I tween banana local offset within hand, I need to work in the hand's local scale... Simplest: don't use root scale; instead build monkey at final size directly (define coordinates already large, e.g., multiply all the numbers above by 1.3 when writing code? That's error-prone. Alternative: keep root.scale = 1.3 and when banana is "held", instead of parenting to hand, I keep banana as scene child and each frame set its world position = hand world position + small offset, with slight orientation. That avoids all parenting/scale headaches! Banana "held" = a flag; per-frame banana.position follows holder's hand world pos + offset (computed via getWorldPosition into temp vector). Smooth transitions: lerp banana position toward the follow target with easing — banana glides to hand, then tracks. On release, follow target = log rest position. This is far simpler and robust. But then "hand holds banana while carrying to mouth" is just banana tracking the moving hand — visually identical. Hand world position: handMesh.getWorldPosition(v). Good. Banana orientation while held: lerp its quaternion toward holder monkey's head/mouth direction... simple: keep banana's quaternion constant-ish, tilt gradually. Minor. **Banana geometry**: build via bent cylinder: ```js const g = new THREE.CylinderGeometry(0.05, 0.05, 0.5, 10, 24); // bend: for each vertex, t = (y+0.25)/0.5 in [0,1]; angle = (t-0.5)*curl; reposition x,z: pos.x += Math.sin(angle)*R? ``` Simpler param: banana as arc: points along a circle arc of radius R=0.45, span angle ~1.6 rad, tube radius varying (thin at ends, fat middle: r(t)=0.045*bell(t)+0.012). Construct manually into a BufferGeometry: rings along arc: for i in 0..N: center point c_i = arc(t), frame (tangent, normal), ring of M vertices radius profile. Build indices. ~40 lines of code. Or: use TubeGeometry along a curved path with varying radius? TubeGeometry has constant radius. Custom is fine but adds code. Easier hack: LatheGeometry can't curve. Another approach: create cylinder with many segments and displace: ```js const geo = new THREE.CylinderGeometry(1, 1, 1, 12, 24); // then map: t in [0,1] along height; radius scale r(t) = 0.05*bell; center offset x = bend: x(t) = R - R*cos(t*BendAngle)? ``` For each vertex: t = y + 0.5; scale radial (x,z) by profile r(t); set y=0, x += R·sin((t−0.5)·θ)... Let me do it concretely: arc radius R=0.4, total turn θ=1.5 rad. Angle φ = (t−0.5)·θ. Center of curvature at origin: banana spine point: p = (R·sin(φ), R·cos(φ) − R·cos(θ/2)?) hmm to center it: y' = R·(cos(φ) − cos(θ/2))... Let me set spine: p(t) = (R·sinφ, R·cosφ − R, 0) → at t=0.5, φ=0, p=(0,0,0); ends dip lower — actually banana ends point down-ish when held middle-top. Radial direction (for the tube cross-section) = direction from curvature center to spine = (sinφ, cosφ, 0); binormal = (0,0,1). Vertex = spine + radial·(r(t)·cos(α)) + binormal·(r(t)·sin(α)) for α around. Since original cylinder vertex = (cosα·r0=1? CylinderGeometry x = sin? In three, cylinder: x = r·sin(θ), z = r·cos(θ). Whatever — I can just read positions: for each vertex, α = atan2(z, x), then rebuild: newX = R·sinφ + rad·cos(α)·r(t)·(sinφ)?? — full 3D: vertex = spine(φ) + (radialDir·cosα + binormal·sinα)·r(t) where radialDir = (sinφ, cosφ, 0), binormal = (0,0,1). So: ``` sinφ = sin(φ), cosφ = cos(φ) x = sinφ*(R + r*cosα) // since spine x = R sinφ, plus radial x-component sinφ·(r cosα) y = cosφ*(R + r cosα) − R z = r·sinα ``` That's clean — pure analytic banana from cylinder geometry remap. r(t) = 0.028 + 0.055·sin(t·π)^0.8 (fat middle ~0.083 radius, tips 0.028). θ total 1.9 rad for nice curve. R 0.32. Banana length ≈ R·θ ≈ 0.6. Tips slightly darker/green: vertex colors: color = yellow mixed toward brown at tips: t<0.08 or >0.92 → mix greenish-brown. Add brown freckles via texture instead (canvas: yellow bg + darker speckles + slight streaks); vertex color tips with map multiply: set material vertexColors true with white main... vertex colors darken tips: color = lerp(white, brown(0.45,0.38,0.25), tipAmount). Map provides yellow+speckles. Multiply works (map × vertexColor). Banana shrink on bites: scale whole banana non-uniform? Shrinking whole banana uniformly each bite looks like it's getting farther... Better: bites reduce from ends? With shader clip? Simplest visual: scale x (length axis) shrinks faster + slight overall scale: as bites happen, banana scale.set(k, m, k) with k from 1→0.55, m 1→0.8 — looks like chunks being eaten. Or hide via geometry clipping from one end using material... overkill. Also rotate the banana so a bitten end faces mouth. It's fine — the "grow back" happens when new banana drops (scale resets when hidden mid-flight). Since after full consumption the banana disappears and a NEW banana falls, the shrink/reset is naturally masked. During eating, banana position tracks hand; the hand target during eat phase = mouth position; mouth opens, banana overlaps mouth, scale shrinks at bite moment + crumb particles? Tiny crumb puffs (3–4 small yellow-ish flecks falling) — nice detail, cheap (little planes/points with gravity, fade). Add small "bite" white flash? no. Chomp sound + head jerk. **Peel drop**: peel built once, hidden; at finish phase, show peel in world at last banana pos, give velocity arc to ground beside log, tumble rotation, land with damped bounce (simple manual physics: v += g·dt until y<=ground(0.02) then bounce vy·-0.35, spin decay, settle). Leaves (2) flutter after. **Falling banana arrival**: new banana: reset scale, start above (x rand ±0.8, y 6.5, z rand), fall with rotation, small bounce on log top at rest point... landing directly on rest point: target rest pos (0.15,0.46,0.08); do ballistic to that point then 1 small bounce; play soft thud; flutter leaves spawn at canopy and drift down (leaf cards with rotation sway — reuse leaf-litter texture, animated ~4s). Caption updates. **Monkey state machine**: per monkey: state fields: {handL/handR targets (THREE.Vector3 local), mouthOpen, headYaw/Pitch targets, hop offset, tailSway boost, reactTimer}. Global phase manager with timeline: array of steps {duration, onStart, update}. I'll write a tiny sequencer: `steps = [{dur, enter, tick(t)}...], loop`. Manage with elapsed within current step; advance. Phases plan (loop): 1. `approach/ambient` (3.5s): idle glances at banana; caption 1. 2. `alphaReach` (1.4s): alpha's right hand target → banana pos (converted to alpha local each frame — since monkeys static, precompute local rest/handoff targets once). Banana stays until grab moment at end of phase (banana.follow = null until t>0.75 then follow hand). Caption 2. 3. `alphaEat` (3.2s): hand target → mouth; at bite times (t≈0.25, 0.55, 0.85) trigger mouth open+chomp sound+shrink+crumbs+head bob. 4. `alphaReturn` (1.3s): hand back to log rest; banana follow release → lerp to rest pos. Caption 3 (short). 5. `pause` (1.2s). 6. `betaReach` (1.3s): beta hand→banana, grab. 7. `betaEat` (2.6s) 2 bites. 8. `betaReturn` (1.3s). 9. `pause` (1.2s). caption. 10. `gammaReach` (1.3s). 11. `gammaEat` (2.6s) 2 bites → shrink to small. 12. `gammaReturn` (1.2s). 13. `pause` (1s). 14. `alphaFinishReach` (1.2s): alpha takes last piece. 15. `alphaFinalEat` (2.4s): final bites → banana scale → 0, hide banana; spawn peel at hand, caption "nothing remains…". 16. `peelToss` (1.0s): alpha arm sweeps outward; peel physics launched; caption. 17. `pause` (1.6s) — monkeys look up (head pitch targets up!). Nice: heads track upward toward the falling banana. 18. `bananaDrop` (2.0s): banana falls from canopy with flutter leaves, bounce on log, soft thud; heads follow it down (look-at target = banana position each frame → compute yaw/pitch per monkey — I'll implement headAim(worldTarget) helper converting to local yaw/pitch, clamped). 19. `settle` (1.5s): heads return to banana on log; caption reset variant; loop back to 1. Between loops, maybe vary captions slightly (arrays of variants, pick random). Nice touch. Click reactions: raycast on monkeys' body meshes (store list of pickable meshes with monkey ref). On click: monkey.hop (y impulse via reactT=0; y = sin(π·t)·0.12), arms raise quickly (temp override targets), tail flick (sway amplitude spike), chatter sound, blink, caption interject (a queue that temporarily overrides current caption for 2.5s then restores). Also cursor pointer on hover (raycast on mousemove throttled). Hover: pointer cursor + maybe monkey slightly looks at camera? That's charming — hovered monkey head turns toward camera briefly. Yes! headAim(camera pos). Good "alive" feedback. **Head aim helper**: given world point P, for monkey root with world quaternion (root rotation Y only mostly), convert P to head-parent local: headGroup.parent.worldToLocal(P) → compute yaw = atan2(x - headPos.x, z - headPos.z)? Since head faces +z: yaw = atan2(dx, dz); pitch = -atan2(dy, horizontalDist)? then clamp and lerp head.rotation toward (pitch, yaw). Head group base rotation 0. Add slight random micro-saccade when idle. **Breathing/chew details**: torso mesh scale y 1±0.015 sin(t·2); head subtle bob; when chewing, jaw/mouth oscillation at ~7Hz decaying. **Tail**: per monkey tailPoints root at (0, 0.36, -0.2) local (behind). Curve: for i 0..8: u=i/8; base curl: tail goes back and up then curls: pos(u) = root + dirBack·(a·sin(u·π/2)·1.5?) — I'll param: ``` angle φ(u,t) = u*2.2 + sway; p = root + (sin? ) ``` Define in the root-local XZ: back is -z: p.x = 0 + curlSide(u)·(side sway): x = s1·sin(u·2.5 + t·2 + phase)·0.08·u? Let me do: ``` p = root.clone(); p.z -= (0.18·u + 0.16·sin(u·1.8)) // extend backward p.y += (0.22·sin(u·1.6 + 0.6) + 0.05·u) // rise then droop p.x += 0.1·sin(u·3.0 - time·(1.5+swayBoost) + phase)·u // lateral sway grows toward tip ``` Then set 9 sphere segment positions. Radius taper 0.055→0.015. Add tip tuft? macaque tails are slim — fine. Ensure tail doesn't clip ground: root y 0.36; p.y with u small could go below 0: clamp y >= 0.03. **Fur shell**: for body + head skull: duplicate sphere with scale ×1.06 and alphaNoise material (furStreaks texture as alphaMap? The alpha canvas: transparent with many thin vertical dashes opaque; use as alphaMap (luminance as alpha) with color = lighter fur tone; alphaTest 0.45, side FrontSide? For silhouette fuzz should render both sides... use DoubleSide. transparent false + alphaTest — good (no sorting issues). Also could add second shell 1.12 with lower coverage — one shell enough. The fur canvas texture also as bumpMap with bumpScale 0.02. **Skin material**: color #b98d6a-ish tan, roughness 0.65. Muzzle/nose dark: nose small dark #3a2a22. Face around eyes slightly darker tan — skip. **Materials count** manageable. **Ground texture/detail**: I'll rely on vertex colors + a noise map (canvas 256 noise, repeat 8) with color near white grey values to modulate. Also a big soft "clearing light pool" — the spotlight handles that. **Trees construction**: ``` function makeTree(h, r) { trunk: CylinderGeometry(rTop=r*0.55, rBot=r, h, 8, 4) with bark material (canvas bark texture repeat), bend: displace vertices x += bendStrength·(y/h)² + noise wobble. roots: 4 squashed cones around base, bark mat, rotated outward. branches: 2–3 cylinders angled from upper trunk into foliage zone (optional high trees mostly canopy). } ``` Place ~14 trees in ring radius 7–14 (random, avoid center clearing radius <4.5 and avoid camera near path?) plus 2 framing trunks closer (±4.5, z 4–6) large. Canopy: instanced foliage cards: geometry = PlaneGeometry(1.6, 1.2) (with leafy alpha texture), instances ~140, positions: cluster centers at tree tops (radius ring + heights 4.5–7), random orientations mostly horizontal-ish tilt; dark green material (DoubleSide, alphaTest). Also overhead canopy coverage above clearing: a disc of ~30 cards at y 6–7.5 above center so looking up shows leaves + light gaps (the god rays come through gaps). Sky dome: big sphere r 40, BackSide, ShaderMaterial gradient (top #cfe8d8→ horizon #96b48f?) — with fog... fog affects ShaderMaterial only if configured; set fog: false on sky material, manual colors: I'll pick pale misty green-grey. Actually since canopy mostly occludes sky, the dome barely matters; still add for edge gaps. **Light shafts**: 3–4 planes: geometry PlaneGeometry(1.4, 9, 1, 8) tilted from canopy (top at y≈7 offset x,z) down to ground at ~55–65° toward log; material: ShaderMaterial additive: ``` opacity = (1 - vUv.y? )... shaft brighter at top, fading to bottom + edge falloff (uv.x), flicker with time color warm (1.0, 0.95, 0.75)·0.25 ``` Plus big soft beam spot on ground? The spotlight gives real light. Shafts also depthWrite false, transparent, blending: AdditiveBlending, side DoubleSide. Slight per-shaft phase flicker. These are "fake" but universally used in stylized-realistic scenes; with fog they look right. Keep subtle (low intensity) to avoid gaudy. Is additive glow a cheap trick I dislike? In 3D atmosphere rendering, volumetric shafts are a legitimate cinematic device — I'll keep them physically motivated (sun through canopy), desaturated, subtle. Fine. **Dust**: as planned. **Shadow tuning**: dir light shadow camera: left/right/top/bottom ±7, near 1 far 30, position (−6, 10, 4)? Sun from behind-left-top for rim shadows toward camera — flattering. bias −0.0005, mapSize 2048. All main meshes castShadow: monkeys (many small meshes cast — fine), log, trees, rocks; ground receiveShadow; grass instanced: can receive? Instanced alphaTest cards receiving shadows is ok-ish; set receiveShadow true, castShadow false for grass (casting would be noisy); ferns cast maybe false; foliage cards cast: true? alpha-tested shadows work with shadow material using depth material honoring alphaTest? Three needs customDepthMaterial for alpha-tested shadows... Actually three.js handles alphaTest in depth material automatically if material.alphaTest set? The WebGLRenderer's depth material clones handle alphaTest when `material.alphaTest > 0` (it uses MeshDepthMaterial with alphaTest + map? — yes, since r73ish, alphaTest in shadow works when the material has map+alphaTest — the renderer's getDepthMaterial uses material.map & alphaTest properties. It handles alphaMap/map with alphaTest correctly via `material.alphaTest`). I believe foliage casting leafy shadows works in modern three. In r128 yes, depth material respects alphaTest + map. Good — dappled leaf shadows on ground = big realism win. Set foliage + grass castShadow true, receive true. Watch perf: instanced shadows fine. **Ground displacement noise**: value noise 2D with 3 octaves; small function with hash: ``` function vnoise(x,z){ ... bilinear of hash at integer lattice with smoothstep } ``` Height: h = n(x·0.15,z·0.15)·0.5 + n(x·0.6, z·0.6)·0.12 − dip near center? Keep center (radius<2.2) flatter: multiply by smoothstep(1.2, 3, r)·0.35 + base. So clearing flat, gentle rolls outward. Color per vertex: mix soil brown (#4a3a28) with moss green (#3c4a2a) by noise; darker in dips. Ground size 64, radius 32 with fog covering edge (fog density 0.045 → at 30 units exp2 ~ e^-(0.045·30)²? FogExp2: factor = 1−exp(−(d·density)²): at d=25, (25·0.045)=1.125 → e^−1.26 ≈ 0.28 visibility — decent. Let me set density 0.055 for thicker forest. Tune: camera at ~7.5 from center; monkeys at ~7–8 distance → fog factor at 8: (0.44)² = 0.19 e^−0.19= 0.82 → 18% fogged at subject — a bit hazy but that's the aesthetic; keep density 0.045. **Custom orbit controls**: ``` state: theta, phi, radius, target; damping via current vs desired; pointerdown/move/up; wheel: radius ±; touch: single-finger rotate + pinch zoom (add basic touch). Clamp phi [0.35, 1.45] (don't go under ground), radius [3.2, 13], theta unclamped. Auto-drift: if now - lastInteract > 6s: desiredTheta += 0.02·dt? Slow. Handheld: camPos += smallNoise; implement via offsetting lookAt target with noise (amplitude 0.05 at low freq) — apply after computing base pos. ``` Also initial gentle fly-in: start radius 10.5, ease to 7.8 over 2.5s (lerp desired radius). **Raycast picking**: on click (pointerup with minimal drag distance — track downPos; if moved <6px → click), raycaster vs monkey pick meshes; also vs banana? Clicking banana could trigger... maybe clicking the banana makes the monkeys all look at it? Or the nearest monkey steals it early? Fun: click banana → nearest monkey immediately reaches & takes a bite (jump to its eat phase)? That complicates the sequencer. Keep: monkeys only clickable; banana click → all heads look at banana + a caption "The object of everyone's attention." Simple, no sequencer break. **Audio engine** (lazy init on toggle): ``` ctx, master gain (0.8), ambience: noise buffer loop → bandpass(400) → gain 0.05 with slow LFO (0.1Hz ±40%); leaves rustle: second noise → highpass 1500 → gain modulated by LFO different rate 0.07 amp 0.02 — combine into wind. birds: schedule loop: every 3–9s: chirp: osc freq 2800→2200 sweep with vibrato? Simple: for i in 0..2+r·3: tiny blips: freq 2500·(1+rand·0.3), each 0.06s, gain env 0.05, spaced 0.09s; pan random via StereoPannerNode. Occasional low dove: two-tone 500→420 sine 0.4s. chatter(m): 5–9 rapid pulses: sawtooth? monkey "keh keh": osc square 900+rand·300 with gain env each 0.045s + bandpass 1200; also pitch drops. Add slight noise bursts. chomp: noise burst lowpass 500, 0.07s + sine 180→90 pitch drop 0.08s, gain 0.12. thud: sine 120→60 0.12s + noise lowpass 200. ``` Reasonable sizes. All gains modest. Sound toggle button with SVG icon swap + label "SOUND ON/OFF". **Timecode**: top-right: `REC ● 00:00:12:07` updating per frame (frames = floor(t·24)%24), blinking dot via CSS animation (opacity steps). It's diegetic; keep. **Field notes panel**: small fixed panel bottom-left above caption? Position left side; toggled; contains: ``` FIELD NOTES — take 07 subject — three macaques, procedural (no photographs were harmed) location — old-growth clearing, mid-canopy behaviour — resource sharing, turn-taking note — the banana never runs out. do not tell them. ``` Playful authored copy. Toggle button "NOTES". **Caption system**: div bottom-center; setCaption(text) → fade out (200ms), swap, fade in; if interrupt captions queued, show for 2.6s then revert to phase caption. Keep phase caption stored. **Fonts**: Google fonts link: Fraunces:ital,wght@0,400;0,600;1,400;1,500 + IBM Plex Mono:wght@400;500. UI cream #ece7d5, letter-spacing on small caps labels. **Loading**: Three from CDN: `https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js` (cdnjs r128 exists). Good. Wait — should I double check what I remember about r128 CDN paths: cdnjs three r128: `https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js` — yes this is a well-known URL used widely. Good. **Structure the code carefully now.** I'll write it mentally section by section, being careful with three r128 APIs: - `new THREE.WebGLRenderer({antialias:true})`; `renderer.outputEncoding = THREE.sRGBEncoding; renderer.toneMapping = THREE.ACESFilmicToneMapping; renderer.toneMappingExposure = 1.05; renderer.shadowMap.enabled = true; renderer.shadowMap.type = THREE.PCFSoftShadowMap;` - Textures from canvas: `new THREE.CanvasTexture(canvas)`; set `wrapS/T = RepeatWrapping`, `encoding = sRGBEncoding` for color maps, anisotropy 4. - Colors: `new THREE.Color(0x...)`. Canvas texture builders (each compact): 1. `makeFurTexture(base, streak, dark)`: 256², fill base, then 3500 short strokes: random x,y, length 4–14, angle mostly vertical ±0.35 rad, color lerp between light/dark variants, alpha 0.25–0.5, lineWidth 1. Return texture. 2. `makeFurAlpha()`: 256², black transparent? For alphaMap: white = opaque; draw transparent bg then ~2500 white vertical dashes w random gaps; used with alphaTest. Implementation: clear (alpha 0), strokeStyle white, draw dashes. Return texture. 3. `makeBarkTexture()`: 256², base #4a3b2c, vertical streak lines darker/lighter, plus horizontal cracks randomly; noise speckle. 4. `makeLeafyTexture(dark)`: 256², transparent; draw ~90 leaf shapes: small ellipses/pointed leaf paths in varied greens (#2f4a1e → #6f8f3a range, some darker), each rotated randomly, some clustered; leave ~15% transparent holes. For canopy darker palette. 5. `makeGrassTexture()`: 128², transparent, draw ~26 blades from bottom: thin curved triangles varying green/yellow-greens. 6. `makeFernTexture()`: 256², transparent: one frond: central stem line + ~14 pairs of leaflets (small pointed shapes decreasing size upward), green variations. The frond geometry plane uses this once. 7. `makeBananaTexture()`: 256², yellow base #f5cf49 with slight vertical gradient? avoid gradients in UI, but texture painting subtle shading is fine artistically — actually for realism textures need shading; I consider gradients baneful in UI decoration, not in texture art. Use radial blotches: brown speckles (small dots 1–3px, alpha 0.15–0.5, denser near tips?) tips handled by vertex color. Slight darker streak lines along length. 8. `makeGroundDetail()`: 256² grey noise (for map tint multiply with vertexColors: renderer multiplies map × vertexColor × material.color — set colors near-white greys 190–255 to add speckle). 9. `makeRingsTexture()`: 128², tan wood with concentric darker rings + radial cracks (for log caps). 10. `makeDotSprite()`: 64², radial gradient white→transparent (canvas radial gradient — allowed for a light sprite; it's a texture not UI decoration). 11. `makeLeafLitterTexture()`: 128², transparent, 1 leaf shape (simple pointed oval, brown-green tones with darker vein line) — instanced widely. 12. `makeNoise()`: maybe reuse 8. Monkey materials: - furMat: MeshStandardMaterial({map: furTex, roughness: 0.95, bumpMap: furTex, bumpScale: 0.015}); color slightly per monkey tint via material.color multiply? Sharing material across monkeys with per-instance color — need separate materials per monkey if tinting; cheap: clone material per monkey with slight color variation (0.95–1.05 tints of brown, one slightly greyer — the "eldest" gets greyer muzzle + paler fur? macaques vary). Yes 3 fur materials (clone + color tint). - skinMat: #caa27e roughness 0.6 (clone per monkey slight variance). - shellMat: ({color: lighter, alphaMap: furAlpha, alphaTest: 0.4, side: DoubleSide, roughness: 1}). Now monkey builder details — coordinate check with scale 1.3 root later applied... Actually decided earlier: do the math in unscaled local units and set root.scale.setScalar(1.3). Limb solving done in local space → children scaled with root, consistent. Hand world position via getWorldPosition handles scale. Banana tracking in world space unaffected. Reach targets: computed from world banana pos → monkeyRoot.worldToLocal(clone) → gives local coordinates in unscaled space (since worldToLocal accounts scale) → correct targets for local-space solver. Monkey parts list (per monkey M = {root, body, head, parts...}): ``` root (Group) — position seat, rotation Y facing center ├ torso group (for breathing bob): body sphere, chest patch, shells ├ headGroup at (0, 0.78, 0.10): skull, face, muzzle, eyes..., ears, tuft ├ limb meshes (upper/fore per arm & leg ×2, hands, feet) — children of root (solver positions them) ├ tail spheres ×9 (children of root) ├ butt: flattened sphere under pelvis (they sit) — small dark sphere at (0,0.18,0.02) — merged into body silhouette. ``` Numbers (unscaled units): - body: SphereGeometry(0.24, 24, 20) scaled (1.25, 1.05, 0.95) at (0, 0.42, 0) → torso group at (0, 0.42, 0) contains sphere at origin; breathing: torsoGroup.scale y 1±0.02 (scale the group — includes chest patch, fine). - chest: SphereGeometry(0.17) scaled (1.0, 0.9, 0.55) at (0, -0.02, 0.145) skin mat (pale belly visible from front) — slight z out from body radius 0.24·0.95=0.228 → 0.145+0.093 = 0.238 ≈ surface. OK. - shoulder anchors: (±0.22, 0.55, 0.04). hip anchors: (±0.12, 0.30, 0.02). - seat: sphere r 0.16 scaled (1.2, 0.55, 1.05) at (0, 0.16, -0.01) fur. - headGroup at (0, 0.74, 0.12); contents: - skull Sphere(0.155, 24, 20) scaled (0.95, 1.0, 1.0) at 0 — fur mat; shell ×1.05. - crown tuft: Cone(0.05, 0.06) at (0, 0.15, -0.02) rotated slightly — fur. - face: Sphere(0.125) scaled (0.85, 1.0, 0.62) at (0, -0.005, 0.075) skin. - brow ridge: Sphere(0.1) scaled (1.1, 0.32, 0.5) at (0, 0.06, 0.09) skin — subtle. - muzzle: Sphere(0.07) scaled (1.25, 0.85, 1.0) at (0, -0.045, 0.115) skin. - mouth: Sphere(0.045) scaled (1.25, var, 0.7) at (0, -0.085, 0.115) mat dark #2a1512 (innerMouth), mouth.scale.y animated 0.25–1.4 (open). Also a lower-lip? skip. - nose bridge/nostrils: 2 spheres 0.007 at (±0.02, -0.03, 0.178) dark #241a14. - eyeball: Sphere(0.031) at (±0.056, 0.032, 0.103) — mat cream #d8cbb8 rough 0.3; pupil Sphere(0.0155) at eye pos + (0, 0.001, 0.024) dark #1c1410 rough 0.25; specular highlight comes from env? no env map; add tiny white glint sphere 0.004 offset (+0.006, +0.008, +0.02)? Glint sprite-ish — small emissive-ish white sphere with emissive 0.6? MeshBasicMaterial white at 40% opacity — cheap but effective catchlight. Yes: MeshBasicMaterial({color:0xffffff}) sphere r 0.0045 slightly out along normal + up-left. Catchlights = huge life. - lid: SphereGeometry(0.0345, 16, 8, 0, 2π, 0, π/2) skin mat at eye pos, rotation.x: open −1.25 → closed 0.35. Blink by animating. - ears: Sphere(0.05) scaled (0.3, 0.95, 0.75) at (±0.135, 0.015, −0.005) skin (darker skin earMat clone color ×0.8). - limbs: upper cyl: CylinderGeometry(0.052, 0.045, 1, 10) fur; fore: CylinderGeometry(0.042, 0.036, 1, 10) fur→hands skin; hand: Sphere(0.055) scaled (0.9, 0.75, 1.15) skin; foot: Sphere(0.06) scaled (1.0, 0.6, 1.6) skin at planted pos. - legs: upper cyl (0.06→0.05), fore (0.045→0.038), feet fixed. Legs: crouching/sitting macaques: feet planted forward at (±0.14, 0.035, 0.32); knees up/out — hip (±0.12, 0.30, 0.02), pole for knee = forward+up (+z+y) so knees bow forward-up: pole (0, 0.3, 1). Solver gives natural folded legs. Feet static meshes; solve leg limbs each frame with hip anchors slightly bobbing (tie hip anchor to torso group? torso scale changes y tiny — ignore, anchors fixed to root). Arms: shoulders (±0.22, 0.55, 0.04); pole = (0,−0.5,−1)?? elbow should point backward/down when reaching forward — pole (0, −0.4, −0.9) local (elbow bulges back-down) — for crouched resting arms elbows out/down: pole (±0.4? per side) — pole for right arm maybe (+0.2, −0.6, −0.6) etc. I'll param pole per limb and eyeball. Since arm target positions animate smoothly, results look organic. Rest hand targets: (±0.16, 0.30, 0.34) (hands resting near feet/knees). Reach target: banana local (var). Mouth local: (±0.03 (side of mouth matching hand), 0.66? mouth world within headGroup at y 0.74−0.085=0.655, z 0.12+0.115≈0.235, x ±0.03) → mouth target local ≈ (±0.05, 0.68, 0.30). Reach clamp solver handles. Head look-at-banana during others' turns: aim at banana world pos each frame with weight per state. Monkey slight body yaw sway idle: root.rotation.y base ± small? Keep root fixed (seat rotation) to avoid limb retarget drift; instead torso+head sway. **Sequencer implementation**: ```js const seq = []; function phase(dur, enter, tick){ seq.push({dur, enter, tick}); } let si = 0, st = 0; // step index, step time in loop: st += dt; step = seq[si]; if(step.enter && !step.started){step.enter(); step.started=true} step.tick && step.tick(st/dur...); if(st >= step.dur){ si = (si+1) % seq.length; st = 0; } ``` Reset started flags when looping — store per-iteration: on advance set prev.started=false. Define helper `setHandTarget(monkey, side, localTarget)` → stores desired; per-frame smoothing: `cur.lerp(desired, 1 − exp(−dt·speed))` speed ~6 (slower for grace) or per-phase speed. Also `headAim(monkey, worldPoint, weight)` sets desired head yaw/pitch from point; per-frame lerp. Eating chomp: in eat phase tick, at bite fractions list e.g. bites=[0.22, 0.55, 0.85]: when crossing threshold: biteIndex++ → do: mouth chomp anim (mouthAnim=1 decaying, oscillates scale.y 1.2+sin(t·40)·?), banana shrink k *= 0.72 (tween? snap with slight elastic: shrink to ×0.75 over 0.12s — implement as target shrink with lerp), chompSound, spawn crumbs, head bob impulse. Mouth animation: `m.mouthOpen` 0..1 target; chew: when chewing flag, mouthOpen oscillates: open = max(0, sin(time*14)·0.5+0.5)·chewAmt. **Crumbs**: pool of 12 tiny meshes (Sphere 0.012, banana color darker), on bite: place at mouth world pos + rand, velocity spread + gravity in update; life 0.7s fade (scale down). Simple. **Peel physics**: as described; states: 'held' (position = alpha hand during final eat... actually spawn peel at banana's last pos with initial v (0.6 outward dir·(1.2, 2.2 up?), gravity −9.8·0.6 scaled scene), angular vel random; bounce on y<=0.03: v.y·−0.3, vx,z·0.6, spin·0.5; after |v| small → rest. Peel build: group: stem cylinder (0.02 r, 0.06) brown-yellow at top; 3 flaps: PlaneGeometry(0.16, 0.34, 1, 6) bent: vertices: z += curl: bend each flap around... simple: create plane, then for vertices: t=(y+0.17)/0.34; pos.z = sin(t·2.4)·0.05; pos.x stays; then rotate flap around Y ±2.1 rad, tilt outward rotation.x? Position flaps with top edges meeting at stem base. Each flap rotated: flap.rotation.y = i·2π/3; then bend outward: I'll bake curve into geometry: displace along local z by curving: v.z += (t)·0.1·? and tip outward. Eh — simpler visual: each flap rotated y = i·2.09, then rotation.x = 0.5 (leaning outward), position y so they radiate downward from stem at top → classic peel "flower" opening downward. Material: banana texture yellowish, DoubleSide, roughness 0.6, slight brown edge — reuse banana texture! Good. Rest pose of peel on ground: flaps splay, stem up — banana peel standing like opened flower. **Falling leaves**: pool 6 planes (0.1×0.16) leafLitter texture; on bananaDrop: spawn at (randX, 6.5, randZ) near drop path; update: y −= 0.35·dt (slow, air drag): y -= (0.5 + sin)·dt·0.8; x += sin(time·2+i)·0.4·dt; rotation.x/y spin; fade near ground; land → fade out & respawn next time. **God ray shader**: ```glsl varying vUv; uniform float uTime; uniform float uSeed; main: float edge = smoothstep(0.0,0.25,vUv.x)*smoothstep(1.0,0.75,vUv.x); float fall = pow(1.0 - vUv.y, 1.6); // bright at top? define vUv.y=1 top float flick = 0.75 + 0.25*sin(uTime*0.7 + uSeed*10.0); gl_FragColor = vec4(vec3(1.0,0.93,0.72)*edge*fall*flick*0.35, 1.0); with additive blending: use color*intensity as rgb, blending Additive: set alpha 1 but blending adds rgb — with AdditiveBlending alpha ignored? Additive: gl_FragColor.rgb * ? — Standard: additive uses SRC_ALPHA, ONE by default in three (blending: AdditiveBlending sets blendSrc SrcAlpha, blendDst One). So multiply color by desired opacity and set alpha=1? rgb·a added. I'll output vec4(color·k, edge·fall·flick) — set alpha = intensity, rgb = warm color. transparent: true, depthWrite false. ``` Place 3 shafts: position around (−0.5..1.5, x), top toward canopy gap, bottom near log: e.g., plane center (−0.4, 3.5, 0.2), rotation.z tilt ~0.35, rotation.y various, height 8, width 0.9–1.6. Also render order after opaque; set renderOrder 5. Slight rotation over time? static fine + flicker. Ensure shafts don't look like cheap glow: keep intensity ~0.18–0.28, desaturate (mix toward green: color (0.95, 0.98, 0.8)). **Sky dome shader**: ``` top color #b5cdb2, horizon #8faf8a... slightly cooler: I'll use vec3 mix by normalized y (position). Simple ShaderMaterial BackSide, fog false, depthWrite false. ``` Also faint distant "haze discs"? fog handles. **Vines**: 3–4 hanging vines (thin cylinders y from 7 to ~1.5–2.5, slight curve — use 2 segments rotated) at ring radius 3–5, dark green-brown; sway shader? simple rotation.z oscillation per frame — group rotation pivot top. Cheap: skip sway or tiny. **Positioning summary**: - log along X at center; banana rest (0.15, 0.44, 0.05). - Monkey A (eldest): seat (−0.62, 0, 0.55), rotY facing center: facing direction should point from seat → origin: angle = atan2(-seat.x?, ...) — root faces +Z locally; to face origin: yaw = atan2(0 − pos.x, 0 − pos.z) = atan2(−x, −z). For A: atan2(0.62, −0.55) ≈ 2.83 rad. I'll compute in code: `root.rotation.y = Math.atan2(-pos.x, -pos.z)`. - Monkey B: (0.68, 0, 0.28); Monkey C (youngest, smaller scale 1.15): (−0.05, 0, −0.8). - Camera target (0, 0.75, 0); start theta ~ −2.6? Choose so that two monkeys face camera: camera at +z side: theta 0 puts camera at +z. Place camera direction: pos = target + spherical(radius, phi, theta) with x = r·sin(phi)·sin(theta), z = r·sin(phi)·cos(theta), y = r·cos(phi). theta 0.35 → camera at (≈2.5, 4.4, 6.6) with radius 7.6, phi 1.18 → x = 7.6·sin1.18·sin0.35 ≈ 7.6·0.925·0.343 ≈ 2.41; y = 7.6·cos1.18 ≈ 7.6·0.381 ≈ 2.9; z = 7.6·0.925·0.94 ≈ 6.6. Nice 3/4 view; A and B face camera-ish. Good. **Trees near camera** should not block: keep clearing radius 4.5 treeless; framing trunks at (±5, z 5) may block edges only — place at (−5.2, 0, 3.2) and (5.5, 0, 2.0) — partially in frame edges. OK. Now let me also consider **initial camera fly-in** & overlay: black overlay div fading out 1.6s; title center-left top? Keep title in top bar; also a one-time center caption "a feeding ritual — observed" fading? The first phase caption covers narration. Add intro overlay: big "N°7 — THE CLEARING" small text then fades — cinematic slate. Simple: intro div with slate text, fade out over 2.2s after load. **Potential pitfalls**: - `geometry.attributes.position` edits then `computeVertexNormals()`. - InstancedMesh: set matrices via dummy Object3D; `instanceMatrix.needsUpdate`. - onBeforeCompile injection strings must match r128 chunks: `#include ` exists in vertex shader of MeshStandardMaterial — yes. - Shader patch with instancing: instanceMatrix available only if material used with InstancedMesh (three defines USE_INSTANCING when rendering InstancedMesh — the shader chunk project_vertex handles it; my injected code uses instanceMatrix — the chunk `#ifdef USE_INSTANCING` — I can guard with #ifdef). - Shadows for alphaTest: works via material.map/alphaTest as I recalled. (In r128, `MeshDepthMaterial` gets `alphaTest` and map from the original material in WebGLShadowMap? It copies `material.map`, `material.alphaMap`, `material.alphaTest` into depthMaterial — yes: shadow map code does `depthMaterial.alphaMap = material.alphaMap; depthMaterial.map = material.map?` hmm — actually it copies: alphaMap, alphaTest, map? Let me recall r128 WebGLShadowMap: it uses `getDepthMaterial` which sets `depthMaterial.visible`, `depthMaterial.wireframe`, `depthMaterial.alphaTest = material.alphaTest`, `depthMaterial.map?`... I believe it handles `map` when `material.alphaTest > 0`? In r128: ``` if ( material.alphaTest > 0 ) { depthMaterial.alphaMap? } ``` Hmm — I recall the function copies: `depthMaterial.alphaMap = material.alphaMap; depthMaterial.alphaTest = material.alphaTest;` and also `depthMaterial.map` isn't copied but alphaMap is. So for alpha-tested shadows I should put the texture in `alphaMap` (not only map's alpha). For foliage: texture with alpha channel used as map — for shadow depth, only alphaMap is respected. To be safe: set both `map` and `alphaMap` to the leafy texture? alphaMap uses green channel as alpha in three? alphaMap uses the **green channel** (per docs: "the alpha map is a grayscale texture... uses the green channel"). My leafy canvas has colored leaves on transparent bg — green channel high both in leaves (green) AND in transparent areas? Transparent pixels: if I draw leaves with rgba fill and leave bg transparent (rgba(0,0,0,0)) → premultiplied? Canvas getImageData keeps rgb as drawn; if background never filled, rgb=0 alpha=0 → green channel 0 in holes → works as alphaMap! And colorful leaves have moderate green. But red-ish/brown leaf colors would get low green → weird shadow cutout. My leaves are greens + a few yellow-greens — green channel fine. Alternatively simply set alphaMap = same texture and alphaTest — plus map = same texture. Both read the same canvas: map's alpha used for surface alpha with alphaTest; alphaMap green channel used for depth pass. Leaves mostly green → good. For grass/fern same trick. OK, I'll set both map & alphaMap to the foliage texture. (Also ensures grass blades (yellow-green) still have green channel >0.5 — yellow-green like #9c9 — green channel high. fine.) - CanvasTexture premultiply: when uploading canvas, three sets premultipliedAlpha? WebGL default UNPACK_PREMULTIPLY_ALPHA... three sets texture.premultiplyAlpha false default; canvas is premultiplied internally but texImage2D with UNPACK premultiply false un-premultiplies? Browsers handle: canvas backing store is premultiplied; texImage2D(canvas) with UNPACK_PREMULTIPLY_ALPHA_WEBGL false will un-premultiply on upload (spec says conversion happens). Minor color shifts at fuzzy edges — acceptable. - `renderer.outputEncoding = sRGBEncoding` + canvas textures: set `texture.encoding = THREE.sRGBEncoding` for color maps (fur, bark, leaves, banana, ground) so they're decoded correctly. Alpha-only textures no need. **Lights measured**: hemi 0.45, dir sun 1.5 warm, spot 0.9, fill dir 0.3. With ACES exposure 1.0–1.15. **Ground vertex colors**: PlaneGeometry(64, 64, 96, 96) rotated -90°; displace y; per-vertex color attribute. `material.vertexColors = true` (r128 boolean OK), map: groundDetail with repeat 10 (encoding sRGB, near-white noise so multiplies ~0.85–1). Ground color palette: base soil #6b543c? Under canopy with greenish light; mix moss #4a5a33 / #57603a? and darker #4a3a26. Compute per vertex: n1 noise pick mix; also darker toward center? fine. Let me get realistic about **file size**: This will be ~1000+ lines. That's expected for the quality bar. I'll write carefully but efficiently, dense but readable, with comments in English (user language). Let me now write the code in my head/on paper carefully, minimizing bugs. Key risk areas to be careful: 1. Limb solver sign conventions. 2. Sequencer phase transitions. 3. Banana tracking (world↔local). 4. Audio node graphs (keep small). 5. onBeforeCompile shader injection syntax for r128. Let me write the sway injection: ```js function addSway(mat, amp, freq){ mat.onBeforeCompile = (shader)=>{ shader.uniforms.uTime = timeUniform; // shared {value:0} shader.vertexShader = shader.vertexShader .replace('#include ', '#include \nuniform float uTime;') .replace('#include ', ` #include #ifdef USE_INSTANCING float swW = pow(max(uv.y, 0.0), 1.5); float swPh = instanceMatrix[3].x * 1.7 + instanceMatrix[3].z * 2.3; transformed.x += ${amp} * swW * sin(uTime * ${freq} + swPh); transformed.z += ${amp*0.6} * swW * cos(uTime * ${freq*0.83} + swPh * 1.3); #endif `); }; } ``` Wait — `uv` attribute available in MeshStandardMaterial vertex shader? uv is defined when material has a map (USE_UV defined). Our foliage materials all have maps → yes `uv` attribute accessible in begin_vertex (attributes declared in `#include ` guarded by USE_UV — with map present USE_UV defined; in r128 `uv` attribute is `vUv`? In r128, attribute is `uv` and varying `vUv`. `attribute vec2 uv;` is declared in uv_pars_vertex only `#if defined( USE_UV ) ...`. r128 changed uv handling: `#ifdef USE_UV` declares `attribute vec2 uv;`? Actually in r128 uv attribute declaration is inside `uv_pars_vertex`: ``` #if defined( USE_UV ) || defined( USE_ANISOTROPY ) varying vec2 vUv; #endif #ifdef USE_MAP attribute vec2 uv; ...? ``` Hmm, r128... In r128 the uv attribute might be declared in uv_pars_vertex as `attribute vec2 uv;` unconditionally? Attributes are auto-declared in WebGLProgram? No — three prepends `attribute vec2 uv;` in the program header only when `defines`? In three r128, WebGLProgram adds standard attributes: `attribute vec3 position; attribute vec3 normal; attribute vec2 uv;` ALWAYS in the prefix for built-in materials. Yes! The vertex prefix includes `attribute vec2 uv;` unconditionally (three has always done this for non-RawShader). So `uv` is always available. And instanceMatrix is declared when USE_INSTANCING (declared in prefix too via `#ifdef USE_INSTANCING attribute mat4 instanceMatrix;`). Good — my guard works. `instanceMatrix[3].x` = translation part — valid GLSL (mat4 column access). Good. Since injection happens before compile, amp/freq baked as literals — use toFixed to avoid locale issues: use string of numbers with 4 decimals. I'll inline like `(0.06)` fine. timeUniform shared object `const uTime = {value: 0}` and in loop `uTime.value = t`. But shader.uniforms.uTime must be THE shared object so updates propagate: assign the same object reference — yes standard trick. **Sky shader**: ```js new THREE.ShaderMaterial({ side: BackSide, depthWrite:false, uniforms:{}, vertexShader:`varying vec3 vP; void main(){ vP = position; gl_Position = projectionMatrix*modelViewMatrix*vec4(position,1.0);}`, fragment: `varying vec3 vP; void main(){ float h = normalize(vP).y*0.5+0.5; vec3 c = mix(vec3(...horizon), vec3(...top), pow(h, 1.2)); gl_FragColor = vec4(c,1.0);}`}) ``` Colors: horizon mist #9db69a (0.615,0.714,0.604), top #7fa37e-ish deeper (0.478,0.608,0.467)? Slightly darker top (canopy shadowing) actually inverted: near canopy edges dark, gaps bright pale — whatever, mostly occluded. Also fog will NOT apply (ShaderMaterial default fog:false) — dome at r=45 > far? Camera far set 100. Hmm wait: FogExp2 color: scene.fog color should match horizon mist so distant trees fade into it: fog color #9fb393-ish (pale warm green). Background = fog color effectively via dome. OK. **Now UI copy** (English): Top-left: `FIELD RECORDING · Nº 07` / next line `OLD-GROWTH CLEARING — MID-CANOPY` small mono. Top-right: `● REC TC 00:00:00:00`. Bottom caption center italic serif. Bottom-right buttons: [sound icon] SOUND · [info icon] NOTES. Hint bottom-left: `drag to orbit · scroll to zoom · click a monkey` fades after interaction. Notes panel content (mono, small table): ``` TAKE 07 — FEEDING RITUAL subject three macaques — procedural, no photographs location old-growth clearing, mid-canopy behaviour turn-taking, resource sharing, tail politics light one sun, one gap in the canopy note the banana replenishes. do not tell them. ``` Cute, authored. Caption sets (variants): - p0: ["Dusk, mid-canopy. Three macaques gather around a single banana.", "A clearing, a log, one banana. The negotiation has rules."] - reach: "The eldest moves first. Rank has its privileges." - eatA: "A practiced twist of the wrist. Nothing is wasted." - return/pause: "The second waits its turn — barely." - reachB: "The middle one takes more than its share." (eatB) - gamma: "The youngest gets the tail end, and doesn't seem to mind." - finish: "In under a minute, nothing remains but the peel." - toss: "The peel is discarded with ceremony. Or without." - look up: "Above — movement. Something small and yellow, falling." - drop: "Dropped, perhaps carelessly, from somewhere above. The ritual begins again." Click reactions: "A sharp word for the intruder." / "The eldest objects — loudly." / "The youngest is startled. They all are, a little." **Monkey chatter visual**: on click also camera shake tiny? Handheld noise amplitude brief boost — fun: `handheldBoost = 1` decaying. **Time budget in code**: fine. Now write **all the code** carefully. I'll aim for clean organization with section comments. Let me draft crucial functions fully to avoid bugs. --- Utility: ```js const R = (a=1,b) => b===undefined ? Math.random()*a : a + Math.random()*(b-a); const RS = (s) => (Math.random()*2-1)*s; // signed const clamp=(v,a,b)=>Math.max(a,Math.min(b,v)); const lerp=(a,b,t)=>a+(b-a)*t; const damp=(a,b,l,dt)=>lerp(a,b,1-Math.exp(-l*dt)); ``` Noise: ```js function hash2(x,y){ let n = Math.sin(x*127.1+y*311.7)*43758.5453; return n-Math.floor(n); } function vnoise(x,y){ const xi=Math.floor(x), yi=Math.floor(y), xf=x-xi, yf=y-yi; const u=xf*xf*(3-2*xf), v=yf*yf*(3-2*yf); return lerp(lerp(hash2(xi,yi),hash2(xi+1,yi),u), lerp(hash2(xi,yi+1),hash2(xi+1,yi+1),u), v); } function fbm(x,y){ return vnoise(x,y)*0.6 + vnoise(x*2.3+7,y*2.3+3)*0.3 + vnoise(x*5.7+13,y*5.7+9)*0.1; } ``` --- Canvas textures. Writing each: ```js function canvasTex(size, fn, rep=1){ const c = document.createElement('canvas'); c.width=c.height=size; const g = c.getContext('2d'); fn(g,size); const t = new THREE.CanvasTexture(c); t.wrapS=t.wrapT=THREE.RepeatWrapping; t.repeat.set(rep,rep); t.anisotropy = 4; return t; } ``` sRGB encoding set where needed after. Fur: ```js const furTex = canvasTex(256,(g,s)=>{ g.fillStyle='#6f5744'; g.fillRect(0,0,s,s); for(let i=0;i<3800;i++){ const x=Math.random()*s, y=Math.random()*s; const l=3+Math.random()*10, a=Math.PI/2 + RS(0.5); const shades=['#7c6650','#5d4836','#8a705a','#4e3c2e','#93796b','#6b5340']; g.strokeStyle=shades[i%6]; g.globalAlpha=0.18+Math.random()*0.3; g.lineWidth=1; g.beginPath(); g.moveTo(x,y); g.lineTo(x+Math.cos(a)*l, y+Math.sin(a)*l); g.stroke(); } g.globalAlpha=1; }); ``` Wait angle: vertical strokes means direction along y: angle π/2 gives cos=0,sin=1 → vertical downward: x2 = x, y2 = y+l — vertical. plus RS(0.5) wobble. good. Fur alpha (for shells): ```js const furAlpha = canvasTex(256,(g,s)=>{ g.clearRect(0,0,s,s); // transparent for(let i=0;i<2600;i++){ const x=Math.random()*s, y=Math.random()*s, l=4+Math.random()*12; g.strokeStyle='rgba(255,255,255,'+(0.5+Math.random()*0.5)+')'; g.lineWidth=1; g.beginPath(); g.moveTo(x,y); g.lineTo(x+RS(0.6)*l, y+l); g.stroke(); } }); ``` alphaMap uses green channel; strokes white (g=255), background transparent: canvas with alpha 0 has rgb 0 → green 0. But careful: some browsers may store cleared canvas as rgb 0 alpha 0 → fine. Bark: ```js const barkTex = canvasTex(256,(g,s)=>{ g.fillStyle='#4d3e2e'; g.fillRect(0,0,s,s); for(let i=0;i<160;i++){ // vertical fissures const x=Math.random()*s; g.strokeStyle = Math.random()<0.5 ? '#3a2e22' : '#5e4c38'; g.globalAlpha=0.25+Math.random()*0.35; g.lineWidth=1+Math.random()*3; g.beginPath(); g.moveTo(x, -10); let cx=x; g.moveTo(cx,0); for(let y=0;y<=s;y+=16){ cx += RS(6); g.lineTo(cx,y); } g.stroke(); } g.globalAlpha=0.12; for(let i=0;i<900;i++){ g.fillStyle=Math.random()<0.5?'#241a12':'#6b5744'; g.fillRect(Math.random()*s,Math.random()*s, 2,2); } g.globalAlpha=1; }); barkTex.repeat is per-mesh... I'll clone texture for different repeats? Texture.repeat is a property of texture; per-mesh repeat requires separate textures. For trunks with different heights, UV scaling within geometry is easier — cylinder default UV covers full texture once. Set barkTex.repeat(2,3) globally fine for all trunks (same texture object, all trunks share 2,3 repeat — consistent enough). ``` Leafy foliage texture: ```js function makeLeafy(hue1, hue2, size=256){ ... } const foliageDark = leafy texture with dark greens. function drawLeaf(g,x,y,len,wid,ang,color){ g.save(); g.translate(x,y); g.rotate(ang); g.fillStyle=color; g.beginPath(); g.ellipse(0,0,len,wid,0,0,Math.PI*2); g.fill(); g.restore(); } foliageTex: for i<130: color pick from ['#28421f','#31532a','#3d6631','#4a7a3a','#223b1c','#56864634'?] hmm hex with alpha? use rgba() strings: `rgba(64,104,48,0.95)` variants. Cluster: pick 12 cluster centers, leaves near them with random rot/size 8–22px. ``` Make two: `leafTexA` (canopy, darker: greens 40–80 brightness) and `leafTexB` (undergrowth slightly brighter). Keep one to reduce code; vary material color per use (color multiplies map — darker for canopy via material.color 0x9aa08a? multiplication darkens). One texture, tint via material color. Grass texture: ```js const grassTex = canvasTex(128,(g,s)=>{ g.clearRect(0,0,s,s); for(let i=0;i<24;i++){ const x = Math.random()*s, w=1+Math.random()*2.2, h=s*(0.55+Math.random()*0.45); const bend = RS(s*0.12); const cols=['#4a6b2c','#5d7a34','#3d5a26','#6e8a3e','#57742f']; g.strokeStyle=cols[i%5]; g.lineWidth=w; g.lineCap='round'; g.beginPath(); g.moveTo(x,s); g.quadraticCurveTo(x+bend*0.3, s-h*0.6, x+bend, s-h); g.stroke(); } },1); ``` Grass card geometry: PlaneGeometry(0.34, 0.42) with uv y 0 at bottom? PlaneGeometry uv: (0,0) bottom-left? PlaneGeometry uvs: u left→right, v bottom→top with v=0 at bottom? In three PlaneGeometry, uv (0,0) corresponds to top-left? Three's PlaneGeometry: position starts at top-left? Let me recall: PlaneGeometry generates vertices with y from +h/2 down... uv.y: v=0 at top? In three r125+, PlaneGeometry: `uvs.push(ix / gridX); uvs.push(1 - (iy / gridY));` with y decreasing from +half... so v=1 at top row (y=+h/2), v=0 at bottom. So uv.y=0 at bottom of the plane. In my sway I weight by uv.y — base anchored. For grass blades drawn from bottom of canvas: canvas y=0 is TOP. Texture v=0 corresponds to canvas bottom row? CanvasTexture flipY = true default → v=0 maps to canvas bottom (after flip). So drawing blades from y=s (bottom of canvas) to y=s-h upward means blades rooted at canvas bottom = uv v=0 = plane bottom. Consistent: base at plane bottom, weight by uv.y^1.5 → tips sway. Same for fern frond: draw pointing up from bottom. Fern frond texture (single frond on 256² transparent): ```js g.clearRect; stem: from (128, 250) to (128, 40) slight curve; leaflets: for t=0..1: y=250-210*t; len=(1-t)*70+14; draw leaf each side: ellipse rotated ±0.9 pointing outward-up; color greens varied; also small serration? keep ellipses. ``` Frond plane geometry (0.5, 0.55) anchored at bottom center — pivot: to arrange fronds around cluster center radiating outward, geometry translated so origin at base: `geo.translate(0, 0.27, 0)` → rotate around base. Instanced with rotation.y random, tilt from vertical ~1.0–1.3 rad outward. Instance position at cluster centers. For tilt outward: rotation order — set dummy.rotation.set(tilt, rotY, 0, 'YXZ')? Compose: first rotate X tilt (forward lean), then Y spin: with order 'YXZ', rotation applied Y then X then Z? Euler order YXZ: matrix = Y·X·Z. So point tilted +x lean then spun around Y — yes gives radial outward lean. dummy.rotation.order='YXZ'; rotation.y=θ; rotation.x=tilt(0.9–1.35); rotation.z maybe curl ±0.3. Ferns also swaying (amp small 0.02). Leaf litter texture: single leaf: ```js 128²: pointed oval leaf: path from bottom tip up: bezier; fill '#6b5a30' with darker vein; slight brown variants baked as one color; instances tinted via... single color fine, rotation random. ``` Banana texture: ```js 256²: fill '#f2cf5e'? banana yellow #f5d45a with greenish tint streaks: draw ~40 vertical slight arcs of '#e8c14a' alpha 0.25; speckles: 60 dots '#8a6a2a' alpha 0.05–0.22 size 1–3, denser near y edges (tips) — plus vertex color darkening tips anyway. ``` Wood rings (log caps): ```js 128²: fill '#c9a76b'; rings: for r=6..64 step ~7: stroke circle '#a5814c' alpha 0.5 width 1-2, radius jitter; some cracks: lines from center out '#6e5233'. ``` Ground detail: grey noise blotches: ```js 256²: fill '#ffffff'; 2000 rects with greys 180–255 alpha 0.3; some dark dots. ``` map with near-white → multiplies vertex colors by 0.75–1. Dot sprite: ```js 64²: radial gradient white center → transparent. ``` --- Renderer/scene setup: straightforward. --- Ground: ```js const gGeo = new THREE.PlaneGeometry(64,64,110,110); gGeo.rotateX(-Math.PI/2); const pos = gGeo.attributes.position; const colA = []; const cSoil = new THREE.Color('#584832')? deeper: '#5a4a30'; moss '#48602f'; dark '#463a26'; for each vertex i: x,z: r = length; h = fbm(x*0.13+5, z*0.13+2)*1.2 + fbm(x*0.5, z*0.5)*0.25; h *= smoothstep(1.6, 4.5, r) — flat clearing; also lower far edge slightly? add gentle rise far: + r*0.01? setY. color: mix(moss, soil, fbm(x*0.23+9, z*0.23+4)) then multiply (0.85 + fbm(x*0.9,z*0.9)*0.3) brightness; push rgb. gGeo.computeVertexNormals(); material: MeshStandardMaterial({map: groundTex(rep 9), vertexColors:true, roughness:1}); ground.receiveShadow = true; ``` smoothstep helper js: `sstep(a,b,x)`. --- Trees: ```js function makeTree(x,z,h,r,bend){ const grp = new THREE.Group(); const geo = new THREE.CylinderGeometry(r*0.55, r, h, 9, 6, true); // bend + wobble const p = geo.attributes.position; for(i){ const y=p.getY(i); const t=(y+h/2)/h; // 0 bottom..1 top const bx = bend*t*t*h*0.25 + Math.sin(t*9+x)*0.06*(1-t); p.setX(i, p.getX(i)+bx); p.setZ(i, p.getZ(i)+ Math.sin(t*7+z)*0.05 ); } geo.computeVertexNormals(); const trunk = new THREE.Mesh(geo, barkMat); trunk.position.y=h/2; castShadow, receiveShadow. grp.add(trunk); // roots for(k<4){ const root = new THREE.Mesh(rootGeo(shared cone squashed), barkMat); position around base: angle=k*π/2+RS(0.5), rad=r*1.1; scale y 0.5; rotation tilt outward 1.1; } grp.position.set(x, groundHeightAt(x,z)?, z) — ground displaced; compute h offset via same fbm function → util `groundH(x,z)` shared. scene.add; register canopy cluster center at (x + bend*..., h, z) for foliage instancing. } ``` Roots: ConeGeometry(0.5,1,7) scaled (r*1.4, r*2.2?, r)... keep simple: 3 cones per tree. Foliage instancing: ```js const folGeo = new THREE.PlaneGeometry(2.2, 1.7); // big leafy card collect transforms: for each tree cluster: 8–12 cards: pos = cluster center + RS(0.9) sphere-ish, rotation.y random, rotation.x/z = ±π/2 mostly horizontal (canopy flat-ish cards): rotation.set(π/2 + RS(0.7), R(π*2), RS(0.4)) with order default XYZ — fine. plus overhead clearing canopy: 26 cards around (RS(3.5), 6+RS(1.4), RS(3.5)). material: MeshStandardMaterial({map: leafTex, alphaMap: leafTex, alphaTest:0.45, side:DoubleSide, color:0x86a06a? }) — color multiplies texture greens → darker canopy: color 0x8fa07a... The leaf texture already colored; color 0xffffff keeps; canopy backlit darkness: use 0xcfd6c0? I'd rather bake two materials: canopyMat color 0x7d8f72 (darker), undergrowthMat 0xa8c08a. InstancedMesh(folGeo, canopyMat, N); setMatrixAt; castShadow=true; receiveShadow = true. addSway(canopyMat, 0.05, 0.6); ``` Ferns: ```js frondGeo: PlaneGeometry(0.42,0.55) translate(0,0.26,0); 25 clusters at radius 1.8–6.5 random (avoid monkey seats & log? overlapping fine); 6 fronds each: dummy at cluster pos (y=groundH), rotation as above tilt 0.8–1.25, rotY k*1.05+RS(0.4), scale 0.7–1.3. InstancedMesh(frondGeo, fernMat, 150) fernMat: map+alphaMap fernTex alphaTest .4 DoubleSide color 0x9db77e? tint. addSway(fernMat, 0.03, 1.1). ``` Grass: ```js bladeGeo: PlaneGeometry(0.4, 0.5); translate(0,0.24,0); 420 instances: radius 1.4–9 ring, y=groundH; rotY random; scale 0.7–1.6; slight tilt RS(0.15). InstancedMesh; grassMat map+alphaMap grassTex alphaTest .4; color 0xaec087; sway amp 0.04 freq 1.4. ``` Ensure grass avoids log line: skip |z|<0.35 && |x|<1.6? Log occupies center; radius from center <1.1 skip mostly. Also monkey seats at ~0.7 — grass under them OK visually (they sit on grass? better clear small patch at each seat: skip if dist to seat <0.45). fine. Leaf litter: ```js litterGeo: PlaneGeometry(0.16,0.22); instanced 120 flat on ground (rotation.x -π/2+RS(0.3), rotY rand, y=groundH+0.005); mat: leafLitterTex alphaTest .4 DoubleSide color 0x9b8a6a; no sway. ``` Rocks: 6 icosahedron(0.25, 1) jittered vertices, rockMat grey #7a776c flatShading rough 1; positions ring, scale random 0.5–1.6, sink into ground slightly. castShadow. Mushrooms: 3: stem cyl (0.02,0.03,0.08) cream #cfc4a4; cap: sphere squashed (0.07 → scale (1,0.55,1)) color #a5673e with darker? flat color + roughness .8; tiny ones cluster at log base + one on log. castShadow small. Fallen branch: cylinder bent (like trunk method, thin r 0.05, h 1.6, lying: rotation.z π/2 + tilt) near log end, bark mat. Position (1.9, groundH+0.06, 0.9) rotated y 0.7. --- Log: ```js logGroup at origin: main: CylinderGeometry(0.19, 0.22, 2.7, 12, 8) rotated z π/2 (axis along x), position y 0.21; bark mat; slight sag bend? skip. caps: CircleGeometry(0.2, 20) at both ends x=±1.35, rotated to face outward (rotation.y ±π/2), rings texture; moss: 2 squashed spheres (SphereGeometry 0.13, scaled (1.6,0.35,1.1)) color #4c6a33 rough 1 at (±0.3, 0.36, 0.02) — moss patches on top; plus mossMat could use grass texture? plain color w/ noise lighting is ok; add bumpMap barkTex. mushroom conk: 2 half-spheres (sphere theta π/2) radius 0.05 scaled (1,0.5,0.5)? on side — skip or keep small: 2 squashed spheres #8a7452 at underside. banana rest position: (0.15, 0.44, 0.06) — log top y = 0.21+0.22=0.43 ✓ banana radius ~0.083 → center y 0.44? banana lying on log: its center offset by tube radius above log top: (0.15, 0.43+0.06, 0.06)=(0.15,0.49,0.06). Fine: restPos = new THREE.Vector3(0.15, 0.49, 0.06); banana rests slightly rotated (rotation.z 1.2, rotation.y 0.4) lying along log. ``` Log castShadow + receiveShadow. --- Light shafts: ```js function makeShaft(x,z, w, tilt, seed){ plane geometry (w, 8.5, 1, 10); material shader; mesh position (x, 3.4, z); rotation: rotate to lean: rotation.z = tilt (lean in x), rotation.y = yaw. The plane vertical from y ~ -0.85 to 7.65 in local → after position y 3.4: from -0.85 to 7.65 — bottom below ground fine (clip). Set mesh.frustumCulled default fine. renderOrder 2; depthWrite false. ``` Shaft shader: ```glsl uniform float uTime; uniform float uSeed; varying vec2 vUv; float e = smoothstep(0.0,0.3,vUv.x)*smoothstep(1.0,0.7,vUv.x); float v = pow(vUv.y, 1.5) // vUv.y 1 top float f = 0.7+0.3*sin(uTime*0.5+uSeed*17.0); float a = e*v*f*0.16; gl_FragColor = vec4(vec3(1.0,0.96,0.78), a); ``` transparent true, blending AdditiveBlending, depthTest true (occluded by trees correctly — yes keep depthTest true so trees cut shafts — realism). Place 3: (-0.8,0.3,w1.2,tilt .3), (0.9,-0.6,0.9, -0.25), (0.1,1.2, 0.7, 0.05) — center one brightest aimed at log (matches spotlight). Wait shafts additive & fog? ShaderMaterial no fog — distant shafts? all near center, fine. --- Dust: ```js positions in box x∈[-2.5,2.5], y∈[0.1,4.5], z∈[-2.5,2.5]; speeds; Points with mat: PointsMaterial({map: dotTex, size:0.045, transparent:true, opacity:0.5, depthWrite:false, blending:AdditiveBlending, sizeAttenuation:true, color:0xfff8dc}); animate: y += 0.06·dt·speed; x += sin(t·0.5+i)·0.02·dt; wrap y>4.5 → 0.1. Store base positions + per-particle phase; each frame recompute? For 180 particles: pos.array[i3+1] = base + ... simple loop, needsUpdate. ``` --- Sky dome + fog: ```js scene.fog = new THREE.FogExp2(0x93a887, 0.043); dome radius 42, shader colors horizon (0.62,0.7,0.56)*? and slightly warm top light (0.72,0.8,0.66) — actually brightest through canopy gaps: keep horizon misty #9db694 → vec3(0.615,0.714,0.58); top slightly darker greenish (0.5,0.62,0.47). ``` Camera far 60. --- Lighting: ```js hemi = HemisphereLight(0xbcd0a8, 0x3e3a26, 0.55); sun = DirectionalLight(0xfff2c8? greenish sun filtered: 0xf4ffd9?? warm pale (0xffe9b8) intensity 1.35); position (-6, 9, 3.5); shadows: mapSize 2048, camera ±7, near 2 far 25, bias -0.0006, normalBias 0.02? r128 has normalBias — yes since r112. spot = SpotLight(0xfff6d8, 0.85, 14, 0.5, 0.55, 1.2?) — args (color, intensity, distance, angle, penumbra, decay): angle 0.42, penumbra 0.7, decay 1, distance 20; position (0.5, 8.5, -0.5), target log (0,0.4,0). castShadow false (dir already shadows) — or true for nice pool? Two shadow maps cost; keep false. fill = DirectionalLight(0xa8c4b2, 0.3) from (4, 3, 6) no shadow. ``` --- Monkey build (big function). Let me write it out fully to be safe: ```js const skinC = '#c9a179'; function makeMonkey(opts){ const furMat = baseFurMat.clone(); furMat.color = new THREE.Color(opts.furTint); const skinMat = baseSkinMat.clone(); skinMat.color = new THREE.Color(opts.skinTint); const shellMat = new THREE.MeshStandardMaterial({color: opts.shellTint, alphaMap: furAlpha, alphaTest: 0.35, side: THREE.DoubleSide, roughness: 1}); const M = { root: new THREE.Group(), pose:{...} }; root.scale.setScalar(opts.size); // torso const torso = new THREE.Group(); torso.position.y = 0.42; root.add(torso); const body = new THREE.Mesh(sphereGeo, furMat); body.scale.set(1.25,1.05,0.95); torso.add(body); const bodyShell = new THREE.Mesh(sphereGeo, shellMat); bodyShell.scale.set(1.31,1.1,0.99); torso.add(bodyShell); const chest = new THREE.Mesh(sphereGeo, skinMat); chest.scale.set(1.02,0.92,0.55); chest.position.set(0,-0.02,0.155); torso.add(chest); const seat = new THREE.Mesh(sphereGeo, furMat); seat.scale.set(1.15,0.5,1.0); seat.position.set(0,-0.24,-0.03); torso.add(seat); sphereGeo shared: new THREE.SphereGeometry(0.24, 24, 18). ``` Wait body uses sphereGeo radius 0.24 as planned. But chest uses radius 0.24 geometry scaled 0.92 etc → chest radius ~0.24·0.92·0.55(z)=0.122 half-thickness... I planned chest sphere r 0.17; with shared geo scale (0.71, 0.65, 0.4): 0.24·0.71=0.17 ✓. Set chest.scale.set(0.71,0.66,0.42). seat: 0.24·1.15=0.276 wide ✓. Continue head: ```js const head = new THREE.Group(); head.position.set(0, 0.76, 0.10); root.add(head); const skull = new THREE.Mesh(headGeo /*r 0.155*/, furMat); skull.scale.set(0.95,1,1); head.add(skull); const skullShell = new THREE.Mesh(headGeo, shellMat); skullShell.scale.set(1.0,1.05,1.05); head.add(skullShell); const face = new THREE.Mesh(headGeo, skinMat); face.scale.set(0.8,0.95,0.6); face.position.set(0,-0.005,0.07); head.add(face); const brow = new THREE.Mesh(headGeo, skinMat); brow.scale.set(0.72,0.2,0.42); brow.position.set(0,0.065,0.1); head.add(brow); const muzzle = new THREE.Mesh(headGeo, skinMat); muzzle.scale.set(0.56,0.38,0.5); muzzle.position.set(0,-0.05,0.1); head.add(muzzle); ``` headGeo = SphereGeometry(0.155, 20, 16). muzzle r 0.155·0.56=0.087 wide, z half 0.077 at z 0.1+0.077=0.177 front. good. ```js const mouth = new THREE.Mesh(headGeo, mouthMat); mouth.scale.set(0.36,0.1,0.3); mouth.position.set(0,-0.083,0.12); head.add(mouth); ``` mouthMat shared MeshStandardMaterial('#26120e', rough 0.9). mouth closed scale.y 0.1 (thin line), open → animate to (0.36, 0.32, 0.36)? animate only y & z: mouthOpen 0→1: scale.y = 0.08+0.34·open, scale.z = 0.24+0.14·open, position.z = 0.12+0.02·open. Store M.mouth. nostrils: ```js for s of [-1,1]: nostril sphere geo tiny (SphereGeometry(0.008,6,5)) darkMat; position (s*0.02, -0.032, 0.176); head.add ``` Eyes: ```js eyeGeo = SphereGeometry(0.03, 14, 12); pupilGeo = SphereGeometry(0.0145, 10, 8); lidGeo = SphereGeometry(0.033, 14, 8, 0, PI*2, 0, PI/2); for s of [-1,1]: eye white-cream mat (eyeMat shared: #d9cdb9, rough 0.35); pos (s*0.055, 0.03, 0.105); pupil (pupilMat #201611 rough 0.3) pos eye + (0,0.001,0.021); glint: MeshBasicMaterial white, sphere r 0.004, pos eye + (s*-0.004? both same side up-left: ( -0.004, 0.007, 0.026)) — since MeshBasic, always bright — catchlight ✓. lid: lidGeo, skinMat, position = eye pos, rotation.x = -1.3 (open). store M.lids. ``` Lid geometry hemisphere "top half" (thetaStart 0 → top cap). rotation.x = -1.3 rotates the cap to point backward-up (hidden behind skull top) → open. Closed: rotation.x = +0.55 cap points forward-ish covering the eye front? Rotating +x tilts top cap toward +z (forward)?? rotation.x positive rotates around x-axis: +x rotation moves +y toward +z (right-hand rule: rotating about +x axis, y→z). Cap at +y with rotation.x=π/2 → cap points +z (forward) covering eye front. So closed ≈ +0.35..0.5 slightly less than π/2 (covers from above-front). Open = -1.25 (points back, hidden inside skull back — but sphere cap radius 0.033 slightly bigger than eyeball 0.03, inside skull (skull z front at ~0.15... eye at z 0.105+0.033=0.138 < skull front 0.155) ✓ hidden. Ears: ```js earGeo = SphereGeometry(0.05, 12, 10); for s: ear mesh skinEarMat (skin darker clone ×0.75), scale (0.32,0.9,0.7), pos (s*0.132, 0.02, -0.01), rotation.y = s*0.3; head.add ``` tuft: ```js cone (ConeGeometry(0.045,0.07,8), furMat) position (0,0.155,-0.03) rotation.x -0.4, rotation.z RS(0.3) — store not needed. ``` Limbs: ```js const limbData = []; function addLimb(name, shoulder, L1, L2, pole, handScale){ const upper = new THREE.Mesh(new THREE.CylinderGeometry(0.052,0.043,L1,9), furMat); const fore = new THREE.Mesh(new THREE.CylinderGeometry(0.04,0.033,L2,9), furMat); const hand = new THREE.Mesh(handGeo /*Sphere 0.055*/, skinMat); hand.scale.set(0.95,0.75,1.2); root.add(upper, fore, hand); L = {shoulder, L1, L2, pole, upper, fore, hand, cur: shoulder.clone().add(new THREE.Vector3(0,-0.1,0.2)), target: shoulder.clone().add(...)}; ``` Hmm — better pre-create unit cylinders and scale per-frame via placeBetween (scale.y = len/L1 as geometry has fixed length L1? If geometry length = L1 and actual segment length varies slightly (clamped reach), scaling y by len/L1 keeps radius. placeBetween(mesh, a, b, baseR): mid, dir, len; mesh.scale.set(1, len/L1, 1)? But geometry radius fixed — radius won't scale with length (good). position = mid; quaternion setFromUnitVectors(Y, dir). Implement generic with geometry length stored on mesh.userData.len. For legs feet: feet static meshes; legs solve from hips to fixed ankle positions (slightly above feet). Tail: ```js const tailPts = []; const tailGeo small = SphereGeometry(0.05, 8, 6); for i 0..8: seg = new THREE.Mesh(tailGeo, furMat); root.add(seg); tailPts.push(seg); M.tail = {segs, base: new THREE.Vector3(0, 0.34, -0.20), phase: RS(6)}; ``` Update per frame: ```js function updateTail(t, amp){ for i: u=i/8; ang = u*2.0; p = base + (0, 0.16*Math.sin(ang*1.9+0.5)+0.02*u, -0.24*Math.sin(ang*1.05)-0.02)?? ``` Let me design: tail root at (0,0.34,-0.2), extends back-up curling: ``` z = -0.2 - (0.34*sin(u*1.5)) // goes back 0.34·sin → max at u~1: -0.54 then curls? sin(1.5)=0.997 at u=1 — monotonic back. y = 0.34 + 0.42*sin(u*2.4) // rises to 0.42·sin(2.4)=0.32 at u=1 → up 0.66 then end curls slightly down? sin(2.4 rad)=0.675 → +0.28 → y=0.62. curvature gives curl. x = 0.09*sin(u*2.2 - t*swaySpeed + phase) * u * amp-ish ``` Add swayBoost: amplitude of x-sway multiplies (1+boost). And scale segs: seg.scale.setScalar(1 - u*0.75) applied via radius: seg.scale.set(1-u*0.7, 1-u*0.7, 1-u*0.7) → radius 0.05→0.015. Positions y clamp >= 0.02. Pickable meshes: body, skull, torso, upper arms etc → raycast list: [body, skull] plus torso shell — enough (big targets). mesh.userData.monkey = M. Store per-monkey animation state: ```js M.state = { handL:{cur:Vector3(rest), tgt:Vector3(rest), speed:5}, handR:{...}, mouthOpen:0, chew:0, lidL: -1.3? blink timers per monkey: blinkT: R(2,5), headYaw:{cur:0,tgt:0}, headPitch:{cur:0,tgt:0}, react:0, // click timer lookAt:null, // world point or null } ``` Rest hand targets local: handR rest (0.16, 0.30, 0.36), handL (-0.16, 0.30, 0.36). Wait handedness: banana taker uses right hand for A; B left hand (closer to log); C right. Varies. Keep each monkey uses its nearest hand: choose side by seat angle sign — I'll hardcode per phase. Mouth local target for eating hand: (±0.05, 0.70, 0.30) — hand sphere reaches there, banana tracks hand → near mouth at (0, 0.677, 0.235) + open mouth z front ~0.15+... banana center at hand ≈ z 0.30, mouth z ~0.24 world-local — banana (r ~0.083 scaled? banana is world-space unscaled 0.6 long) — banana appears large relative to monkey? Monkey scaled 1.3: head radius 0.155·1.3=0.2 world. Banana length 0.6 world — vs monkey head 0.4 diameter... banana 0.6 long is plausible for a macaque (real bananas ~15cm vs macaque head ~10cm) ✓ good scale match. While held, banana orientation: keep lerp toward horizontal-ish bite orientation near mouth: I'll orient banana pointing from hand into mouth: compute quaternion from... simpler: banana.quaternion.slerp(heldQuat, damp) where heldQuat precomputed tilt (rotation.z 0.9, y based on holder). Eh — simplest acceptable: while held, banana rotation stays at rest orientation (lying along log) — looks like holding a banana horizontal, biting the end. Fine and stable. Slight rotation during raise: lerp banana.rotation.z toward (holder eats ? 0.35 : 0.9)... I'll lerp rotation.z to 1.35 (angled up) when eating — end near mouth. Keep code small: targetRotZ = eatingPhase? 1.2 : 0.9, damp. Crumb spawn at mouth world position. Bite shrink: banana.scale target *= 0.74 each bite (min 0.5), plus scale.y slight — shrink both x/z uniformly and shorten length axis? The banana's length is along its curved shape in local x-y plane (arc in x-y with z thin). scale.set(k, k, k) uniform shrink simplest: whole banana shrinks like it's being eaten from all sides — acceptable at small deltas (0.74³-ish volume loss per bite reads fine) with new banana each loop. Actually nicer: shrink along length only by scaling the arc's plane axes x,y: scale.x=scale.y=k, z stays → banana shortens (arc shortens) keeping girth. Arc is in x-y plane → scaling x,y by k shrinks arc radius & length proportionally: shorter banana ✓ girth z unchanged but x-radius shrinks slightly — looks right! scale.z = lerp(1, 1, keep) — set scale.set(k,k,1). ✓ k sequence: 1 → 0.8 → 0.62 (A) → 0.5 → 0.38 (B) → 0.3 → 0.22 (C) → 0 → done. Use per-bite factor 0.8. --- Sequencer: write phases with a builder; store in `PH` list as objects {d, cap, enter(t), tick(p)}. Implementation: ```js let phaseI = 0, phaseT = 0, phaseStarted = false; const phases = []; function P(d, o){ phases.push(Object.assign({d}, o)); } ``` Loop in animate: ```js const ph = phases[phaseI]; if(!phaseStarted){ ph.enter && ph.enter(); phaseStarted = true; if(ph.cap) setCaption(pick(ph.cap)); } phaseT += dt; ph.tick && ph.tick(phaseT/ph.d, dt); if(phaseT >= ph.d){ phaseI = (phaseI+1) % phases.length; phaseT = 0; phaseStarted = false; } ``` Phases detail with monkeys array [A, B, C]: helper `aimHeads(vec3 or null, w)` sets each monkey's state.lookAt (null → gentle idle wander targets). Grab/release banana: `banana.holder` = M + hand side or null; when held: banana.position.lerp(handWorldPos + handOffset(handDir?), fast) then copy; else lerp to restPos slowly. Actually while a hand moves toward log during reach, the banana should stay on log until "grab" moment → use flag banana.holder set at phase enter for eat phases after reach completes: order: reach phase (hand moves to banana, banana stays), grabPhaseless: at start of eat phase set banana.holder = monkey; then during eat hand target = mouth; banana follows hand (with offset (0,0.02,0.08) toward mouth?) — offset toward holder's mouth: compute offset as (mouthWorld − handWorld)·0.35 clamped 0.12 → banana sits between hand and mouth → end enters mouth. Return phase: at end (or enter with delay) banana.holder = null; banana lerps to restPos (damp 4) while hand returns to rest. To avoid banana floating weirdly mid-return, hand target during return = follow path back down near banana rest until p>0.6 then hand → rest and banana released at p=0.6 (set holder null). I'll do: return phase tick: if p<0.55: hand target = lerp(mouth→restBanana pos local)... simpler: hand target = bananaRestLocal (same as reach target), banana keeps holder; at p 0.55 release (holder=null, banana lerps from hand to restPos — hand is right there so smooth ✓) and hand target → rest pose. Nice — release mid-return with hand adjacent = seamless. Reach target local per monkey precomputed: `M.localOf(restPos)` via root.worldToLocal — compute once after positioning (roots static): store M.bananaLocal (recompute after any ground... static ✓). Also M.mouthLocal precomputed (±0.05, 0.70, 0.30) choose side. Eat tick: ```js tick(p){ const M = eater; // hand to mouth M.state.hand[side].tgt = M.mouthLocal; if(p > nextBite && bitesDone < nBites){ bite(); } M.state.chew = 1 (chewing flag decays after) } function bite(){ banana.targetScale *= 0.78; if(targetScale<0.16) targetScale=0 → handled in final; chompSound(); mouthChomp impulse: M.state.chompT = 1; crumbs(); M.state.headBob = 1; } ``` Mouth open animation each frame: if holder==M and hand near mouth (dist<0.25): mouthOpen target = 0.85 + chompT oscillation... define: open = clamp(chompT? Let me do: state.chomp decays exp; mouthOpen = eating? (0.75+0.25·sin(t·30))·clamp(distFactor) : idleTalk 0. When chomp fires: chomp=1 → mouth briefly wide; while chewing chomp decays with oscillation: open = base + chomp·(0.5+0.5·sin(t·28))·? — visually: mouth opens big at bite then chews. I'll compute in monkey update: ```js let mo = 0; if(m.state.eating){ mo = 0.5 + 0.45*Math.sin(t*16)^? } ``` keep simple: m.state.mouthTgt (0..1) set by phases: eat: 0.9·(0.6+0.4 sin(t·18)) → set mouthTgt directly in phase tick; else 0. damp mouth toward mouthTgt fast (10). At bite: chompT=1 → add extra opening: mouth = mouthTgt + chompT·0.5·sin(chompT·?? decays 6/s). Simplify to: bite triggers chompT=1; mouth final = mouthTgt + 0.5·chompT; chompT decays 5/s; mouthTgt = eat? 0.55+0.35·sin(t·17):0 — chewing motion from sine, bite pop from chompT. Final eat phase: bites until targetScale <0.14 → at last bite: banana hidden (visible=false, holder=null, scale reset 1 for next drop but keep hidden), spawn peel at last banana world pos with small velocity; chomp; caption. PeelToss: alpha's right hand target sweeps from mouth to (rest+outward swing (0.35, 0.5, 0.25)?) quickly at p 0.15 and peel gets velocity outward matching swing direction (world (A facing dir)·1.4 + (0,1.6,0)) — set peel.vel once. Sound whoosh tiny? skip whoosh, keep thud on land. Wait — peel spawns in alpha's hand during final bite; then toss. Peel held: peel tracks hand like banana during final phase (peel.holder = alpha hand from spawn until toss p 0.15 where peel becomes physics (vel assigned)). Implement peel.follow similar to banana. Heads up: pause phase before drop: aimHeads(canopy point (0,5,0)); during drop: aimHeads(banana.position live); settle: aimHeads(banana rest pos) then release to idle. Click reactions anywhere override momentarily: M.react=1 decays; while react>0: hand targets → up pose (both hands up? one hand raise + slight body lean back): handR tgt = (0.2,0.9,0.15), handL tgt = rest; head shake: yaw wiggle sin(t·30)·0.2·react; hop: root.position.y = sin(min(reactAge...)) — implement react as timer rt from 1→0: root.position.y = Math.sin((1-rt)*π)·0.09·(rt curve) — jump arc over 0.45s. Sound chatter. Also idle behaviors scheduler per monkey: every 4–9s random: scratch head (handR tgt → top of head (0.05,0.95,0.1) for 1.2s then back) — only when monkey idle (not its eating phase, not react). Adds life. Implement: M.idleAct = {t, type}; choose only for non-eating monkeys: in monkey update: if(!busy && idleTimer expired) start scratch for 1.4s. busy = (holder==M). Keep also occasional look-at-camera glance? Hover already does. **Camera hover look**: on pointermove raycast (throttle every other frame? per move fine): if hover monkey: that monkey state.lookAt = camera.position (weight while hovered) else null. **Main animate loop**: ```js function animate(){ requestAnimationFrame(animate); const dt = Math.min(clock.getDelta(), 0.05), t = clock.elapsedTime; uTime.value = t; updateSequencer(dt); monkeys.forEach(m=>updateMonkey(m, dt, t)); updateBanana(dt); updatePeel(dt); updateLeaves(dt); updateCrumbs(dt); updateDust(dt); updateCamera(dt, t); timecode update (every frame cheap: textContent) renderer.render(scene, camera); } ``` updateMonkey: - damp hands cur→tgt (speed maybe per-hand stored; default 6, react 14). - solve arms/legs/tail, mouth, lids, head rotation, breathing, react hop, scratch timer, blink timer. Head rotation: base rotation from lookAt point: compute desired yaw/pitch (convert to head parent local: root has only yaw; use root.worldToLocal(p) → local point; head at (0,0.76,0.10): dy = lp.y-0.76... yaw = atan2(lp.x-0, lp.z-0.10); pitch = -atan2(lp.y-0.76, horiz) (positive pitch = look up? rotation.x negative looks up for +z facing? For object facing +z, rotation.x positive tilts face downward (top of head moves back?). Rotating +x: +z axis moves toward -y → face looks down. So look up = negative rotation.x. pitch = -atan2(dy, dh) where dy>0 (target above) → negative → up ✓. - clamp yaw ±1.1, pitch ±0.6; damp cur→tgt (speed 8); head.rotation.set(pitch + bob, yaw, 0). - idle: when lookAt null: slow wander: yawTgt = sin(t·0.23+ph)·0.3 + glanceNoise; occasionally target banana. Also during phases set explicit. blink: timer -= dt; if <0: blinking 0.22s: lid rot from open to closed and back via sin(π·progress); next timer R(1.5, 5.5). Chew head bob: head.position.y = 0.76 + sin(t·17)·0.006·chewAmt. Breathing: torso.scale.y = 1 + Math.sin(t·2.1+ph)·0.02; also head subtle: skip. **updateBanana**: ```js if(hidden) return; if(holder){ hand world pos (holder.hand mesh .getWorldPosition(v1)); mouth world (holder.head localToWorld(v2 mouthLocal...)); target = hand + dir(hand→mouth normalized)·0.10; banana.position.damp→target fast(12); rotation.z damp→1.15; } else { banana.position.damp(restPos, 4); rotation damp→ restQuat (z 0.25?, y 0.5) } banana.scale.x/y damp→ targetScale (8), clamp small→ if targetScale<=0.05: visible=false. ``` Rest orientation: lying across log: banana arc plane... banana geometry: arc in x-y plane (local), z = girth binormal. Lying on log along x: rest rotation: rotation.y = 0.15, rotation.z = -1.35 (arc opening down? ends up? A banana lying: convex side down on log, ends up: with arc described (spine y = cosφ·(R+..)-R, ends have y negative? At t=0: φ=-0.95: cosφ=0.58 → y = 0.58·(R+rc)−R ≈ 0.58·0.4−0.32 = -0.088 → ends below center, middle top ✓ convex up — good default orientation: banana middle-up. Lay with rotation.z small tilt & rotation.y ~0.2. restQuat = Euler(0, 0.2, 0.15). **Banana drop phase**: ```js enter: banana.visible = true; banana.targetScale = 1; banana.scale.set(1,1,1); banana.holder = null; banana.falling = true; banana.position.set(RS(0.6), 6.8, RS(0.6) - 0.3); banana.fallVel = new Vector3((restPos.x - pos.x)/dur, ..., ...) — simpler: ballistic: vel = ((rest - pos) - 0.5·g·T²)/T with g=(0,−7,0), T=1.6 → gives arc landing at rest at T. Then after landing: falling=false (banana.update lerps to rest — snap ok). Also spin during fall: banana.rotation.x += 3·dt while falling. land: thud sound, tiny bounce: at p>0.8... simpler: at T: falling=false, thudSound(), squash? scale pulse: banana.pulse=1 decaying → scale z 1±pulse·0.3? skip pulse; spawn 4 leaf flutter + small dust puff? Keep leaves. Heads track banana live during drop ✓ via aimHeads(banana.position) — recompute aim each frame (store ref, aim uses current position). ``` **Leaves**: pool 7; spawnFallingLeaves(n): each: pos (banana x + RS(0.5), 6.5+R(1), z...), vy = −(0.55+R(0.3)), spin random, life until y<0.05 → fade 1s → hide. Update straightforward. **Crumbs**: pool 10: pos at mouthWorld + RS(0.02); vel random down-out (0.3); g −9; life 0.6: scale down; hide. **Peel**: built hidden; states: follow(alphaHand) → physics after toss vel; physics update: vel.y -= 9.8·0.55·dt? our world scale ~1 unit=30cm? Monkey seated ~0.7 tall? real macaque sitting ~50cm; scale: monkey height seated unscaled 1.0 × 1.3 = 1.3 units = 50cm → 1 unit ≈ 0.38m → g ≈ 9.8/0.38 ≈ 26 units/s²?? That'd look fast-funereal... cinematically slow gravity reads better; use g 14 units/s² for drops, peel arc vel (dir·2.2, up 2.6) — tune-ish; it's stylized realism, fine. Peel physics: v.y -= 14·dt; pos += v·dt; rot += spin·dt; if pos.y < restY (approx 0.06 + splay): v.y = −v.y·0.28; v.x,z × 0.5; spin × 0.5; if |v.y| < 0.4 after bounce: settle: v.set0, spin0, y = 0.07, resting=true. thud on first bounce. Peel rest orientation: flaps down, stem up: built that way (flaps point downward-out from stem top? classic peel sits with stem up? When tossed it lands however — I'll lerp its rotation during settle toward upright quaternion for a tidy "opened peel" look — charming. **Raycaster click**: pointerdown store x,y; pointerup: if dist<7: raycast monkeys → if hit: react(m); else raycast banana mesh → if hit: aim all heads at banana 2.5s + caption interject "The object of everyone's attention." + maybe nearest monkey... keep heads. Cursor: on move raycast hover: canvas.style.cursor = hit? 'pointer' : (dragging? 'grabbing':'grab'). **Custom orbit** with pointer events on renderer.domElement: ```js let cam = {theta: 0.42, phi: 1.19, r: 10.6, tTheta:0.42, tPhi:1.19, tR: 7.6, target: new THREE.Vector3(0,0.78,0), lastUser: -10}; pointerdown: dragging=true, px,py, moved=0 pointermove: if dragging: dx,dy → tTheta -= dx·0.0045; tPhi = clamp(tPhi - dy·0.0045, 0.32, 1.42); moved+= |dx|+|dy|; lastUser = t. wheel: tR = clamp(tR + deltaY·0.004, 3.4, 13); lastUser = t. touch pinch: track two pointers via PointerEvents cache: if 2 pointers: pinch distance → tR scale. Implement pointer cache map. Update: theta = damp(theta, tTheta, 5, dt) etc; r similarly; if t - lastUser > 7: tTheta += dt·0.018 (slow drift). pos = target + spherical; handheld: apply small offset to lookAt: lookTarget = target + (sin(t·0.7)·0.035+..., sin(t·1.1)·0.03)·(1+handheldBoost) etc; handheldBoost decays (click on monkey sets 1.2? fun). camera.position: also tiny pos noise: add sin offsets to pos before lookAt — both fine. camera.lookAt(lookTarget). ``` Initial: tR from 10.6 → damp toward 7.6 (set tR=7.6 immediately; r starts 10.6 → smooth ease-in on load ✓ automatically via damping). Prevent page scroll on wheel: wheel listener with passive:false + preventDefault. **Audio** implementation: ```js const audio = {ctx:null, on:false, master:null}; function initAudio(){ if(audio.ctx) return; const ctx = new (window.AudioContext||webkitAudioContext)(); master = ctx.createGain(); gain 0.9 → destination. // wind const buf = ctx.createBuffer(1, ctx.sampleRate*2, sr); fill random. src = createBufferSource loop; bp = biquad bandpass 480 Q 0.8; g1 = gain 0.045; lfo = osc 0.07Hz sine → lfoGain 0.02 → g1.gain; also lfo→ bp.frequency? add lfoGain2 150 → bp.frequency. connect: src→bp→g1→master; src.start. // leaves rustle: second source, highpass 1800, gain 0.012, own LFO 0.13Hz amp 0.008. // bird scheduler: setTimeout chain: function birdLoop(){ if(audio.on && Math.random()<0.85) chirp(); setTimeout(birdLoop, 2500+Math.random()*7000);} birdLoop(); } function chirp(){ const ctx=..., t0 = ctx.currentTime+0.05; const pan = ctx.createStereoPanner? (fallback: skip pan if not supported) pan.pan.value = RS(1); const n = 2+ (Math.random()*3|0); for iuntil → capOverride=null; showCaption(capPhaseText). showCaption: el.style.opacity transition: set class fade → after 180ms swap text & fade in. Implement with two timeouts guarded. ``` Caption styling: centered, max-width 620px, Fraunces italic 400, color #ece7d5, text-shadow subtle 0 1px 8px rgba(0,0,0,0.5) for legibility (shadow for contrast ok, not glow decor). **Now double check limb solver signs** with concrete case: alpha reaching forward-down to banana. Shoulder local (0.22, 0.55, 0.04) (right). BananaLocal for alpha seat (−0.62,0,0.55): banana rest world (0.15,0.49,0.06); alpha faces center; local target ≈ root.worldToLocal → roughly (0.1?, 0.38, 0.75) (forward +z 0.75, up 0.38, side depends on facing). d vector ≈ (−0.1, −0.17, 0.7) len≈0.72 — reach L1+L2 = 0.26+0.28=0.54 < 0.72! Too far!! Need monkeys closer or arms longer. Options: L1 0.32, L2 0.34 (0.66) + seat radius 0.52 + banana at z 0.05: local forward dist ≈ ? Let me compute properly for alpha: root at (−0.62, 0, 0.55) facing origin. Banana world (0.15, 0.49, 0.06). Vector root→banana world = (0.77, 0.49, −0.49), len horizontal 0.907. Local transform: forward local +z points toward origin: local z = component along facing dir = (0.62,0,−0.55)/0.829 · (0.77,0,−0.49) = (0.62·0.77 + 0.55·0.49)/0.829 = (0.477+0.270)/0.829 = 0.90; lateral x = component along side dir = perpendicular ( (0.55,0,0.62)/0.829 )·(0.77,0,−0.49) = (0.423−0.304)/0.829 = 0.14; local y = 0.49. So bananaLocal ≈ (0.14, 0.49, 0.90)? Wait worldToLocal inverts scale too: root scale 1.3 → local coords = world offsets /1.3 → (0.108, 0.377, 0.692). Shoulder local (0.22, 0.55, 0.04): d = (−0.112, −0.173, 0.652), len = 0.682. Still > 0.66 marginal and stretched straight ugly. Fix: move seats closer & log lower & arms longer: seats at radius 0.42: alpha (−0.5, 0, 0.35)? Let me place seats: A (−0.55, 0, 0.42), B (0.58, 0, 0.25), C (−0.02, 0, −0.62). Banana rest maybe (0.12, 0.49, 0.04) — log center 0. A: horizontal dist from (−0.55,0.42) to (0.12,0.04): Δ=(0.67, −0.38) → 0.77 → local z ≈ 0.77·? minus... local z = projection: facing dir (0.55,−0.42)/0.69 = (0.797,−0.609): dot((0.67,−0.38)) = 0.534+0.231=0.765 → /1.3 = 0.589; lateral: perp (0.609,0.797)·(0.67,−0.38)=0.408−0.303=0.105 → /1.3=0.08; y 0.49/1.3=0.377. shoulder (0.22,0.55,0.04): d=(−0.14,−0.173,0.549) len 0.593. With L1 0.30 L2 0.32 (0.62 reach) → slight elbow bend ✓ natural. Arms L1 0.30 L2 0.32 look proportionate on 0.24-radius body? upper arm 0.30 vs torso radius 0.24 — macaque arms roughly torso-ish — OK. B seat (0.58, 0, 0.25): facing dir (−0.58,−0.25)/0.63. banana Δ world = (0.12−0.58, 0.04−0.25) = (−0.46, −0.21) len 0.506; z local = dot((−0.92,−0.397), (−0.46,−0.21)) = 0.423+0.083 = 0.506 → /1.3 = 0.39; lateral: perp of facing = (0.397,−0.92)·(−0.46,−0.21) = −0.183+0.193=0.01; y 0.377. B shoulder left side (−0.22, 0.55, 0.04) (uses left hand — closer to banana? banana slightly toward −x from B... banana x 0.12 < 0.58 → banana is to B's left-front; left hand ✓). d = (0.01+0.22? compute: target (0.01, 0.377, 0.39); shoulder (−0.22,0.55,0.04): d = (0.23, −0.173, 0.35) len 0.46 ✓. C seat (−0.02, 0, −0.62): facing (0.02, 0.62)/0.62 ≈ +z. banana Δ = (0.14, 0.66) len 0.675; z = dot((0.03,0.995),(0.14,0.66)) = 0.66 → /1.3 = 0.51; x ≈ (0.995·0.14 − 0.03·0.66)/1.3 ≈ 0.12/1.3 = 0.09; y 0.377. C is smaller (size 1.15): local = world/1.15: z = 0.574, x 0.105, y 0.43. shoulder (0.22·?, C same local proportions (built same, root scale differs) → shoulder (0.22,0.55,0.04): d = (−0.115, −0.12, 0.534) len 0.56 < 0.62 ✓. Mouth target local (side, 0.70, 0.30): shoulder→mouth d = e.g. (−0.17, 0.15, 0.26) len 0.35 ✓ elbow bends ✓. Legs: hips (±0.12, 0.30, 0.02), ankles (feet at (±0.15, 0.045, 0.34)): d=(0.03,−0.255,0.32) len 0.41; legs L1 0.26 L2 0.28 = 0.54 reach ✓ folded knees. Feet forward ✓ sitting pose. But B and C feet may overlap log? Log radius 0.22 at center; feet z 0.34·1.3=0.44 world forward from seat toward center → e.g., B feet at z 0.25−0.44·0.397? B facing (−0.92,−0.397): feet world = B pos + facing·0.44·? feet local (±0.15,0.045,0.34)/1... local z 0.34·1.3=0.44 along facing: B feet ≈ (0.58−0.405, 0.25−0.175) = (0.175, 0.075) → right at log flank (log surface x ±1.35?? log along x from −1.35..1.35 radius 0.22; point (0.175,0.075) is INSIDE log region (|x|<1.35 and |z|<0.22 at ground level log surface y 0.21 — feet at y 0.05 would clip log cylinder (log bottom y 0.21−0.22 ≈ −0.01, radius 0.22: at z distance 0.075 < 0.22 → feet inside log!). Fix: log elevated slightly off ground on a small mound or its radius sits with bottom near ground: cylinder center y 0.21, r 0.22 → bottom y −0.01 (sunk 0.01) — feet at that spot clip. Solutions: seat B/C a bit farther or rotate feet targets per monkey to straddle log — sitting facing log with feet ON the log is actually natural macaque pose! Feet planted on top of log: ankle y 0.45 (log top) — legs longer reach: hip (±0.12,0.30,0.02)→ankle local: for B: world foot on log at (0.17, 0.44, 0.07)? distance world from hip... hip world = B pos + facing·0.026 + side·(±0.156): ≈ (0.58−0.024, 0.25−0.01) + ... roughly (0.55, 0.25); foot on log (0.17,0.07): Δ = (0.38, 0.18) len 0.42, y from 0.30·1.3=0.39 to 0.44 → tiny dy. local d len ≈ (0.42/1.3 horizontal + dy 0.05) ≈ 0.34 ✓ reachable (0.54). Feet on log top: cute! But feet orientation on curved log — fine. But per-monkey foot targets must differ: A feet on ground before log? A seat (−0.55,0.42): facing (0.797,−0.609); feet forward local 0.44·? If A feet on log: world foot = A + facing·(0.34·1.3=0.44)·? = (−0.55+0.35, 0.42−0.268) = (−0.2, 0.15) → within log ✓ on top y 0.43+... place feet y 0.42 (on log top). A: Δ world from hip(−0.55,0.42)+lat: hip world ≈ (−0.42,0.33)? side offset ±0.156·perp: perp of facing = (0.609,0.797): hip = (−0.55+0.609·0.156·s, 0.42+0.797·0.156·s) = for s=+1: (−0.455, 0.544)?? wait perp·0.156: (0.095, 0.124) → hip ≈ (−0.455, 0.544) hmm that's world x,z: z=0.42+0.124·? I'm confusing myself. This level of precision is beyond useful head-math; in code I'll compute foot world positions by placing feet at defined local targets and accept minor clipping: simplest robust choice: give each monkey feet-planted-on-log-front targets: ankle local (±0.15, 0.33, 0.40) — feet rest against/on log front face. If log front face at varying distance per monkey... The solver CLAMPS reach — legs will stretch toward targets; if target slightly inside log, foot mesh sinks into log a bit. To avoid: compute per-monkey local ankle targets in code from world foot anchors: choose world foot points per monkey: project: foot world = seatPos + facing·(distToLogSurface) where distToLogSurface = seatRadius − 0.30 (30cm before log axis)... log is a cylinder along x; the "front face" relative to monkey = at z of cylinder surface facing monkey. For A at (−0.55,0.42) heading to (0,0): crossing cylinder |z| ≤ 0.22 with |x| ≤ 1.35: ray param: point (−0.55+0.797t, 0.42−0.609t): enter log z region when |0.42−0.609t| = 0.22 → t=0.329 → point (−0.288, 0.22) → distance along = t·1 (unit dir) → distA = 0.329+? Hmm dist from seat to log surface along facing = 0.329. Feet placed just before: at t 0.30 → world (−0.311, 0.237)?? that's z=0.237 — just outside log surface ✓ then feet y on ground 0.05 (log surface there high above ground 0.21+; feet on ground in front of log ✓ natural sitting: feet on ground before log, body close. Similarly B: seat (0.58,0.25), dir (−0.92,−0.397): |z| = 0.25 − 0.397t = 0.22 → t=0.0756: very close — B is nearly alongside the log's end region (x 0.58−0.92·0.0756=0.51 still along log) — B sits beside the log facing its end-ish; feet would immediately hit log. Move B more to the side: B at (0.85, 0, 0.55)? facing (−0.85,−0.55)/1.01: |z|=0.55−0.545t? dir z comp = −0.55/1.01=−0.545: t where 0.55−0.545t=0.22 → t=0.606 → foot at (0.85−0.606·0.842, ~0.22) = (0.34, 0.22) ✓ feet before log; reach to banana: banana Δ from B: (0.12−0.85, 0.04−0.55) = (−0.73, −0.51) len 0.89: local z = dot((−0.842,−0.545),(−0.73,−0.51)) = 0.615+0.278 = 0.89?? that's the full length (aligned) → /1.3 = 0.685 > 0.62 reach! B too far now. Compromise: B at (0.72, 0, 0.42): facing (−0.72,−0.42)/0.833 = (−0.864,−0.504): to banana (0.12,0.04): Δ = (−0.60,−0.38) len 0.71; z = 0.518+0.192=0.71 → /1.3 = 0.546 ✓ (reach 0.62, elbow slightly bent ✓). log front: |z|: 0.42−0.504t = 0.22 → t = 0.397 → foot world = (0.72−0.397·0.864, 0.22) = (0.377, 0.22) ✓. And A at (−0.55, 0, 0.42) to banana: Δ = (0.67, −0.38), computed earlier: local z 0.589 — hmm vs 0.62 reach: nearly straight arm; better seat A closer: A (−0.48, 0, 0.36): dir to banana (0.60,−0.32)/0.68 → z local = (0.60·0.882+0.32·0.47)? Let me just recompute: facing = (0.48,0.36)/0.6 = (0.8,0.6). Δ=(0.60,−0.32): z = 0.8·0.60 + 0.6·(−0.32) = 0.48−0.192=0.288?? No wait — facing dir points from seat to ORIGIN (0,0), banana at (0.12, 0.04): vector seat→banana = (0.60, −0.32). facing unit = (0.8, 0.6)?? (0.48,0.36)/0.6: that's direction to origin: (0.48/0.6, 0.36/0.6) = (0.8, 0.6). Projection of Δ onto facing: 0.8·0.60 + 0.6·(−0.32) = 0.48 − 0.192 = 0.288?! That can't be — |Δ| = 0.68 but projection only 0.288? Because banana is off to the side relative to origin direction: seat→origin = (0.48, −0.36)?? Hold on: seat (−0.48, 0, 0.36) → origin is at direction (0.48, −0.36) — I had sign error: facing = normalize(0−(−0.48), 0−0.36) = (0.48, −0.36)/0.6 = (0.8, −0.6). ✓. banana Δ = (0.12−(−0.48), 0.04−0.36) = (0.60, −0.32). z = 0.8·0.60 + (−0.6)(−0.32) = 0.48+0.192 = 0.672; x = perp(0.6, 0.8)? perp = (0.6, 0.8)·Δ = 0.36+... perp to facing (0.8,−0.6) is (0.6, 0.8) or (−0.6,−0.8): x = 0.6·0.60+0.8·(−0.32) = 0.36−0.256 = 0.104. So local (0.104, 0.377, 0.672)·/1.3 → (0.08, 0.29, 0.517). shoulder (0.22,0.55,0.04): d = (−0.14, −0.26, 0.477) len 0.565 ✓ bend. C at (−0.02, 0, −0.62): facing (0.02,0.62)/0.62 = (0.03,0.997). Δ to banana = (0.14, 0.66); z = 0.03·0.14+0.997·0.66 = 0.662 → /1.15 = 0.576; x = (0.997·0.14 − 0.03·0.66)=0.12 → /1.15 = 0.104; y = 0.49/1.15 = 0.426. shoulder (0.22,0.55,0.04): d = (−0.116, −0.124, 0.536) len 0.565 ✓. A foot/log check: seat (−0.48, 0.36), facing (0.8,−0.6): z=0.36−0.6t=0.22 → t=0.233: foot at (−0.29, 0.22) ✓ good. C foot: seat (−0.02,−0.62), facing (0.03,0.997): z = −0.62+0.997t = −0.22 → t = 0.40: foot ≈ (−0.008, −0.22) ✓. Foot world anchors per monkey (computed in code by ray-march: `footWorld = seat + facing·t where t solves crossing |z|=0.24 (log radius+pad) minus 0.12` — I'll compute in code generically: ```js // distance along facing until |z| = 0.26 (just outside log) const fz = Math.abs(m.pos.z) > 0.001; t = (Math.abs(0) ... ``` Generic: solve for t where |seat.z + facing.z·t| = 0.26: if facing.z≈0 (monkey facing along log axis — none do) fallback t=0.35. t = (0.26 − |seat.z|)/|facing.z| if seat.z outside... sign handled: t = (0.26 − |seat.z|)/|f.z| when |seat.z| > 0.26 else negative → clamp min 0.15. For A: (0.26−0.36)/0.6 <0 → hmm |seat.z| = 0.36 > 0.26: t = (0.36−0.26)/0.6 = 0.167?? I want point where |z| = 0.26 coming from |z| 0.36: t = (0.36−0.26)/0.6 = 0.167 → world (−0.48+0.134, 0.36−0.1) = (−0.35, 0.26) ✓ formula: t = (|seat.z| − 0.26)/|facing.z| when seat outside. If seat |z|<0.26 (monkey beside log end like B? B seat z 0.42 > 0.26 ✓; C |z|=0.62 ✓) — all fine. Then foot anchor = seat + facing·(t+0.02), y=0.05; per-side x offset: foot anchors ± lateral 0.14: footWorld ± perp·0.14. Then convert to local: root.worldToLocal → ankle target local (raise y +0.03 for ankle above foot). Feet meshes: static — position feet mesh at local target, rotation.y slight outward. Since targets computed post-positioning, set once in builder. Legs solve hip→ankleLocal each frame (ankles fixed; hips fixed) — could compute once but do per-frame for uniformity (cheap). BUT legs for C: C faces +z with log at front ✓; B foot anchor: B seat (0.72, 0.42): facing (−0.864, −0.504): t = (0.42−0.26)/0.504 = 0.317 → foot (0.72−0.274, 0.42−0.16) = (0.446, 0.26) ✓. Foot meshes: ellipsoid skin scaled (0.06 → (1, 0.5, 1.7)·?) at ankle local minus y 0.045, rotation aligned to facing — foot mesh child of root: position = ankleLocal + (0,−0.035,0.02); orientation default fine (scaled along z = forward ✓). **Arms rest pose**: hands rest local (±0.17, 0.30, 0.34)? Hands resting near knees: knees (from solver) around... whatever, hands on log edge? Natural: hands resting on log between legs: rest target = same foot-anchor region but raised: local (±0.14, 0.33, 0.38·?) — I'll set rest = (side·0.15, 0.32, 0.40) — hands forward on log/ground. Reach dist check ~0.45 < 0.62 ✓ relaxed bend. Slight per-monkey variation: A rests right hand ON log top? A hand rest target = local (0.15, 0.33, 0.42) — world: A facing (0.8,−0.6): hand world ≈ seat + facing·(0.42·1.3=0.546) + perp·(0.15·1.3=0.195)... = (−0.48+0.437+? perp=(0.6,0.8)·0.195=(0.117,0.156): x = −0.48+0.437+0.117=0.074, z = 0.36−0.328+0.156=0.188 → (0.074, 0.188) inside log footprint (|z|<0.22 at x 0.07) → hand rests ON log front top ✓ nice (y 0.33·1.3+? y local 0.32·1.3 = 0.416 ≈ log top 0.43 ✓ hand on log edge ✓ chef's kiss. Left rest (−0.15,...) similarly inside/side ✓. BUT careful: monkey C behind log: same ✓. Hand rest y 0.32 local might clip through log if 0.416 < log top at that x? log top y = 0.21+√(0.22²−z²?) no log is horizontal cylinder: top y = 0.21+0.22 = 0.43 along its whole length ✓ hand y 0.416 ≈ resting on top ✓. **Check A reach target on log**: banana local z 0.517 (computed): hand goes there — fine. **Torso/head clearance to log**: monkey seat radius 0.6–0.83; body front (z 0.24·0.95+?) body extends z ±0.228·1.3=0.30 from center; A seat 0.6 from origin: body front reaches 0.6−0.30=0.30 from origin > log surface 0.22 ✓ no clip. Knees/feet at log face ✓ touching fine. Camera framing check: subjects spread x −0.5..0.72, z −0.6..0.4, heights ≤1.3. Target (0,0.7,0) ✓. **Peel landing spot**: tossed by A (facing (0.8,−0.6) dir): vel = facing·1.1 + (0, 1.8, 0): lands ≈ A + facing·(1.1·2·?)... ballistic with g 14: time up-down ≈ 2·1.8/14 = 0.257s; horizontal 1.1·0.257 = 0.28 — lands near A's feet (−0.48+0.22, 0.36−0.17) = (−0.26, 0.19) — inside/near log!! Peel should land beside log on ground: aim stronger: vel = facing·2.2 + (0,2.2,0): t=0.314 → horiz 0.69 → land (−0.48+0.55, 0.36−0.41)=(0.07, −0.05) — that's AT the log/under it. A faces the log! Tossing "forward" lands on log. Toss sideways instead: give peel vel direction = A's right side (perp (0.6,0.8))·1.6 + up 2 → lands (−0.48+0.96, 0.36+1.28)=(0.48,1.64)?? too far — ·0.9: (−0.48+0.54, 0.36+0.72)=(0.06, 1.08) — z 1.08 is in front of log (camera side), x 0.06: clear ground ✓ lands between log and camera ✓ visible nicely. vel = perpA·0.9 + up 2.0, g 14: t = 0.285, x = 0.9·0.285=0.26?? wait horizontal speed 0.9 → dist 0.26 only. I conflated. vel·t: horizontal velocity 0.9 units/s × 0.285s = 0.26 — short. Set horizontal 2.2, up 2.2 (t=0.314): dist 0.69: land (−0.48+0.6·0.69, 0.36+0.8·0.69) = (−0.066, 0.91) ✓ z 0.91 clear ground in front of A ✓. Bounce with restitution 0.3, spin, settle. Also ensure not colliding log: passes over log? Trajectory from A hand (world ≈ (−0.45, 1.0, 0.1)) rising up 2.2 then across — apex above log ✓ fine. **Which hand A eats with**: right hand. A's right side local −x or +x? Root faces origin; right hand in local +x? For an object facing +z (local), its right side is... world depends on yaw. Doesn't matter — I'll use side 'R' consistently as +x local and banana targets computed don't care. Banana offset between hand & mouth — fine. Eater hand sides: A: 'R', B: 'L', C: 'R'. Mouth local x offset by side sign: mouthTarget = (sideSign·0.05, 0.70, 0.30) where sideSign = +1 for R (local +x). **Reach target**: computed from bananaRest world → M.localBanana — recompute AFTER root positioned. Also during phases banana world pos changes (when held by another) — but each monkey only grabs banana when banana at rest (holder null & at restPos). Only exception: click-banana look — no grabbing. ✓ Precompute M.grabLocal = root.worldToLocal(bananaRest.clone()) once. Also for eating, hand target = mouthLocal ✓. **updateMonkey solver details**: ```js function placeSeg(mesh, a, b){ // mesh unit-ish geometry with userData.len v1.subVectors(b, a); const l = v1.length(); mesh.position.copy(a).addScaledVector(v1, 0.5); mesh.quaternion.setFromUnitVectors(UP, v1.normalize()); // UP (0,1,0) mesh.scale.set(1, l/mesh.userData.len, 1); } ``` Cylinder geometry made with height = L1 exactly → scale.y = l/L1 ✓ radii fixed ✓. Caps at joints: add small sphere joints? Upper/fore cylinder radius difference (0.052→0.043 taper both ends? I set radiusTop/bottom per geometry: upper (0.055, 0.047), fore (0.045, 0.035) — seams covered by hand sphere & shoulder inside body ✓ elbow seam small — add elbow sphere r 0.045 at elbow in solver (mesh per limb). ✓ do it: joint mesh per limb (elbow), plus hand sphere at end. Leg knee sphere r 0.05. Solve: ```js function solve(m, L){ // L: {shoulder:Vector3, len1, len2, pole:Vector3, up, fore, joint, endMesh?} target = cur hand pos (m.state hand cur) a = shoulder; d = v1.subVectors(target, a); let len = d.length(); const max = L.len1 + L.len2 - 0.02, min = Math.abs(L.len1-L.len2)+0.05; len = clamp(len, min, max); d.normalize(); const aa = (len² + l1² − l2²)/(2len); h = sqrt(max(0.0001, l1² − aa²)); pole perpendicularized: v2.copy(L.pole).addScaledVector(d, -L.pole.dot(d)); if len<0.001 fallback (0,1,0)... normalize v2. elbow = a + d·aa + v2·h; // elbow toward pole side ``` Hmm which sign: elbow should be on pole side: + v2·h ✓ (v2 = pole perp component). ``` end = a + d·len (clamped end); placeSeg(up, a, elbow); placeSeg(fore, elbow, end); joint.position.copy(elbow); hand.position.copy(end); } ``` Note: when target within reach, end==target ✓. Poles: arms: elbow should hang down/back: pole (0,−1,−0.6) normalized-ish for both arms? For eating hand raised to mouth, pole down/back keeps elbow below ✓ natural. Maybe add slight outward per side: poleR (0.15,−1,−0.5), poleL (−0.15,−1,−0.5). Legs: knees up/forward: pole (0, 0.6, 1)·? knee bulges forward-up ✓ pole (0,0.5,1). **Check elbow direction math**: If pole = (0,−1,0) (elbow down) and target straight forward at shoulder height: d horizontal; v2 = (0,−1,0); elbow = below midpoint ✓ arm reaches forward with elbow sagging ✓ correct macaque reach. **Tail vs log clip**: tail extends back 0.5 local·1.3 = 0.65 world from seat — A seat radius 0.6 → tail tip could poke through log?? Tail goes back & UP (y up to 0.62·1.3) — above log height 0.43? tail root y 0.34·1.3=0.44 rising — above log ✓; horizontal back extent 0.24·1.05... my z formula: z = −0.2−0.34·sin(u·1.5) → max back local 0.54 → world 0.70 behind A — behind AWAY from log ✓ (log is in front). ✓. **Now the "shell" render**: alphaTest 0.35 on shell with furAlpha streaks — shells over skull/body. Also seat sphere? skip shell there. Shell may z-fight? radius +0.06 offset no fight ✓. Silhouette fuzz ✓. Also **monkey materials shadows**: all castShadow true (many small meshes ~28 per monkey ×3 = 84 draw calls + shadow pass ×2 = ~170 — fine). Draw call estimate total: monkeys ~84 + shadow, trees 15×(1 trunk+3 roots)=60, instanced ×5, ground, log ~10, shafts 3, points 1, litter instanced, dust, leaves pool 7, crumbs 10, peel 4, banana 1, sky. ~200 draw calls ×2.5 passes — OK for desktop; mid mobile might chug but acceptable. Reduce: roots only on 6 near trees. **Performance**: cap pixelRatio 1.75; shadow map 2048 single (only sun casts); spot no shadow ✓. **Also add subtle vignette + grain overlays via CSS**: ```css .vignette{position:fixed;inset:0;pointer-events:none; box-shadow: inset 0 0 180px 40px rgba(8,12,6,.55);} ``` box-shadow inset vignette ✓ no gradient images (a radial vignette IS a shadow — fine, it's photographic, not decorative gradient). Grain: generate 128 noise canvas → dataURL as background of `.grain` fixed overlay, opacity 0.07, `mix-blend-mode: overlay`, animate background-position steps via keyframes (8 steps). Cheap film grain ✓. **Letterbox**: top/bottom bars height 44px black #0a0d08 with the UI inside top bar (title left, rec right). Bottom bar? caption sits over image bottom (not bar) — I'll skip bottom bar; caption floats. Actually letterbox bottom bar with caption inside it = classic docs. Bottom bar height ~64px, caption centered within, hint & buttons BELOW? No — screen edges: bottom bar contains caption; buttons bottom-right inside bar? Buttons in top bar right? Put sound+notes buttons top-right corner next to REC? Cluttered. Decide: top bar (44px): left title block; right: REC+TC + separator + buttons. Bottom bar (58px): caption centered; hint text left-bottom inside bar; nothing right (or time-of-day "17:42 GOLDEN HOUR" — cute: right side shows "GAP IN THE CANOPY — 17:42"). Bars bg rgba(6,9,5,0.88) with 1px top border rgba(236,231,213,0.08). This chrome is flat & diegetic ✓. Hmm bars height: on small screens keep bars but smaller via media query. Notes panel: fixed left bottom above bottom bar: bg rgba(8,11,6,0.92), border 1px, mono 11px, lines with key column. Slide/fade in. **Fonts**: ```html ``` **Intro slate**: center overlay: mono small "TAKE 07" + serif italic large "A Feeding Ritual" + small line "three macaques · one banana · old-growth clearing" fading out at 2.4s (CSS transition + JS timeout). pointer-events none. Adds authored cinematic entry ✓. Edge case: user drags during intro — fine. **Sound button initial state**: OFF with muted icon; label "SOUND". After click: icon speaker + "ON". **Let me also handle a resize** and visibility (clock delta capped ✓). **Write captions/times** final: phases (durations tuned): 1. ambient 4.2 — cap: variants array 2. aReach 1.5 — "The eldest moves first. Rank has its privileges." 3. aEat 3.4 (bites at 0.3/0.6/0.9 → scale 1→~0.78→0.61→0.48) 4. aReturn 1.6 5. pause 1.6 — "The second waits its turn — barely." 6. bReach 1.4 7. bEat 2.9 (2 bites → 0.48→0.37→0.29) 8. bReturn 1.5 9. pause 1.4 — "The youngest gets what's left. It doesn't seem to mind." 10. cReach 1.4 11. cEat 2.9 (2 bites → 0.29→0.23→0.18) 12. cReturn 1.4 13. pause 1.2 14. fReach 1.3 (alpha final) cap "Nothing left but the last of it." 15. fEat 2.6 (2 bites → 0.18→0.14→≤0.13 trigger finish) — on finish: banana hidden, peel spawn; cap "Gone in under a minute. Only the peel remains." 16. toss 1.0 — at p0.25 launch peel; cap after "Discarded with ceremony. Or without." 17. pause 2.0 — heads aim up at (0.2,5.5,0); cap "Above — movement. Something small and yellow, falling." 18. drop 2.0 — banana falls; cap on land handled next phase 19. settle 2.2 — cap variants "Dropped from somewhere above. The ritual begins again." → loop. Wait phase 17 pause + 18: the "above movement" caption should come with heads up before drop starts — order: pause(2.0, heads up, cap) → drop(2.2) → settle. During drop heads track banana ✓ then settle heads → banana rest → idle. Total loop ≈ 4.2+1.5+3.4+1.6+1.6+1.4+2.9+1.5+1.4+1.4+2.9+1.4+1.2+1.3+2.6+1+2+2+2.2 = 36.9s ✓. Interject on click: "A sharp word for the intruder." variants per monkey: A: "The eldest objects — loudly." B: "The middle one barks back." C: "The youngest startles. They all do, a little." **Peel spawn**: at fEat final bite: banana visible=false; peel.show at banana world pos, follow alpha hand (short 0.5s until toss). Then physics. Also during toss: A hand target sequence: p<0.2: toward (0.1, 0.6, 0.2) outward... define tossTarget local (0.35, 0.62, 0.18) (arm swings out) then p>0.6 back to rest. At p 0.2: peel.holder=null, vel assigned. ✓ visually hand flings. **Hand-raise on react**: override hand targets while react>0: handR (0.1, 0.95, 0.2), handL (−0.2,0.5,0.3)? plus hop. Implement in updateMonkey: if react>0: set both tgt to raised poses. And restore after (phases re-set targets each tick anyway; idle hand targets = rest each frame default ✓ since every frame phase sets targets... Let me ensure defaults: every frame, compute desired hand targets: if react → raised; elif eating role assignment → per state; else rest. Phases communicate via monkey.role object {hand:'R'|'L', mode:'reach'|'eat'|'return'|'rest'|'toss', target:Vector3}. Simplify: global function each frame sets m.state.handR.tgt / handL.tgt based on m.mode (string set by sequencer + react overrides). Modes: 'rest','reach','eat','return','toss'. Sequencer sets m.mode & m.grabTarget at enters. Hand targets per mode: - rest: rest pose both hands - reach: grabber hand → grabLocal; other rest - eat: grabber hand → mouthLocal; other rest - return: grabber → grabLocal until release flag... implement: mode 'return': hand → lerp(mouth→grab) by p? Use phase tick to set explicit dynamic target: sequencer tick can directly set m.state.handX.tgt each frame for fine control (allowed — updateMonkey only damps). So phases do the fine steering; defaults handle rest. Simplest implementation: in phase tick functions, call `setHand(m, side, localVec)` which sets tgt. For untouched hands each frame reset to rest first: in updateMonkey: if(!m.handsLocked) hands→rest; phases that steer set m.handsLocked=true during their phase (enter) & false on exit... risk of stuck states across loop boundary: safer: every phase enter() sets modes; ticks set targets; and phase loop guarantees each phase explicitly sets all monkeys each frame? That's 19 phases × verbose. Alternative cleaner: per-frame driver computes targets from a small global state (who holds banana, current action, action progress) instead of per-phase ticks: Let me define global action state: `act = {type, monkey, side, p, from, to}` created by phase enter with durations; a generic function `updateAct(dt)` advances p and sets hand targets by interpolating between key positions (rest→grab→mouth→grab→rest). Then phase ticks mostly just trigger bites. This is cleaner: `startAct(m, side, type)` where type in ['grabAndEat', 'finalEat', 'toss'] — sequence internal timeline: grabAndEat timeline (T total ~ handled by phases but let me unify): I'll implement act as its own mini-timeline with normalized stages: - stage1 reach (0→0.22): hand rest→grab; at 0.22 holder=m - stage2 lift (0.22→0.35): hand grab→mouth - stage3 eat (0.35→0.85): bites at 0.42, 0.56, 0.70 (nBites depends), chew - stage4 lower (0.85→0.97): hand mouth→grab; at 0.91 holder=null - stage5 retreat (0.97→1): hand grab→rest Then phases just call startAct and wait its duration matching actDur. Act driven by global `act.p += dt/actDur`. Bites: count per act (A:3, B:2, C:2, final:2 with finish flag). Act sets m.state.eating true during stage3 for mouth anim; heads: actor looks at banana/hand. This unification removes 12 near-duplicate phases: sequence becomes: 1. ambient 4.2 (cap1) 2. act A 5.8 (reach+eat+return): startAct(A, 'R', {bites:3, dur:6.4})... phase duration must ≥ act duration: set both 6.4. Caps: at phase 2 enter: reach cap; maybe mid-phase caption switch? I can schedule caption at act stage2 via act callback: act.onLift = setCaption(eatCap). ✓ acts trigger captions internally. 3. pause 1.8 4. act B 5.6 (bites 2) caps 5. pause 1.6 6. act C 5.6 (bites 2) 7. pause 1.4 8. act A final 5.2 (bites 2, finish:true): on finish → hide banana, peel follow. 9. toss phase 1.1: A hand toss anim (act type 'toss' quick) — integrate toss into final act stage: after last bite: stage3.5: hand flings (0.78→0.9) launching peel; retreat 0.9→1. ✓ no separate phase. 10. pause 2.2 (heads up, cap) 11. drop 2.2 12. settle 2.4 → loop. Cleaner. Durations: act internals scale by act.dur. Timeline fractions fixed; with dur 6.0: stage durations: reach 1.32s, lift 0.78, eat 3.0, lower+retreat 0.9. Bites spread within eat stage: bite p_i = 0.35 + (i+0.7)·(0.5/(n+0.4))? For n=3: fractions 0.42, 0.53, 0.64? Let me just: biteFr(k,n) = 0.37 + (k+1)*(0.45/(n+0.6)). n3 → step 0.125: 0.495, 0.62, 0.745. n2: 0.52, 0.645. Fine. Final act: bites 2 → at second bite scale ≤0.18·0.78 = 0.14 → finish(): banana hide, peel.show(follow hand). Then fling at p 0.82; cap. **Banana holder assignment** during act at p≥0.22 ✓; release at 0.91 ✓. **Aim**: actor looks at hand target while acting (natural — watching what you're doing); others look at banana position (world live) — during acts set global `gazeTarget = bananaPos` → non-actors aim there ✓; during pause/up phases sequencer sets gazeTarget accordingly. Default idle when gazeTarget null. Manage: global gaze = {point: Vector3|null, monkey: actor or null}. Phases: ambient: gaze.point = bananaRest (everyone glances at banana occasionally: use weight — heads aim at banana with wander blend — implement aim strength: lookWeight per monkey default 0.7; wander adds sin offsets ✓ fine). **updateAct sets**: ```js if(act){ act.p += dt/act.dur; const p=act.p, m=act.m, side=act.side, S=m.state; const hand = side==='R'? S.handR : S.handL; let tgt; if(p<0.20) tgt = lerpV(rest, grab, ease(p/0.20)); else if(p<0.33){ if(!act.grabbed){act.grabbed=true; banana.holder = {m, side};} tgt = lerpV(grab, mouth, ease((p-0.20)/0.13)); } else if(p<0.80){ tgt = mouth; S.eating = true (flag); if(p > act.nextBiteF){ bite(...); } if(act.finish && finishedAt && p>finishedAt+0.12) → fling stage } else if(p<0.91){ tgt = lerpV(mouth, grab, ease((p-0.80)/0.11)); if(p>0.86 && banana.holder) banana.holder=null; } else { tgt = lerpV(grab, rest, ease((p-0.91)/0.09)); } hand.tgt.copy(tgt); if(p>=1){ if(act.finish cleanup); act=null; S.eating=false; banana.holder = null(safety); } } ``` Fling: in finish act, after final bite at fb (say 0.58): peel shown at 0.58 (banana hidden), holder=peel follows hand until 0.70; at 0.70: peel physics launch (vel computed from A perp·2.2+up 2.2). Hand then flings: from 0.58→0.72 hand target swings mouth→out (tossLocal (0.4,0.6,0.1)) then →grab→rest. Add a small 'yip' sound at fling? cute: chatter light. ✓ Piecewise hand path for final act: p<0.20 reach; <0.33 lift; <0.58 eat (bites at 0.40, 0.52); 0.58: finish→peel; 0.58–0.70 hand → toss pose (fling) & at 0.70 launch; 0.70–0.84 → grab-ish lower; →1 rest. cap at 0.58: "Gone in under a minute..."; toss cap at 0.75. Final act dur 5.4. **Bite function**: ```js function bite(m){ m.state.chomp = 1; const s = banana.targetScale * 0.78; banana.targetScale = Math.max(s, 0.001); chompSound(); spawnCrumbs(mouthWorld(m)); m.state.headKick = 1; // head nod impulse act.nextBiteIndex++; recompute nextBiteF... } ``` nextBiteF computed as list at act start: act.bitesF = [fractions]; act.bi = 0; in eat stage: if(act.bi < act.bitesF.length && p >= act.bitesF[act.bi]){ bite; act.bi++; } **Now assemble phase list** with acts: ```js P(4.4, {cap: CAPS.ambient}); // gaze banana P(6.2, {enter: ()=> startAct(A,'R',{bites:3}), cap: CAPS.aReach}); // caption switch mid-act handled by act.onLift → I'll instead add a mid caption via act.lift callback: startAct opts.liftCap → at p 0.33 setCaption. P(1.8, {cap: CAPS.pause1}); P(5.9, {enter: ()=> startAct(B,'L',{bites:2}), cap: CAPS.bReach}); P(1.7, {cap: CAPS.pause2}); P(5.9, {enter: ()=> startAct(C,'R',{bites:2}), cap: CAPS.cReach}); P(1.5, {}); P(5.6, {enter: ()=> startAct(A,'R',{bites:2, finish:true}), cap: CAPS.final}); P(2.4, {enter: ()=> gaze.up(), cap: CAPS.lookUp}); // heads to (0.3, 5.5, 0.2) P(2.3, {enter: ()=> dropBanana()}); // heads track banana via gaze.point=banana.position ref P(2.6, {cap: CAPS.settle}); // heads to banana rest, then loop ``` Sum: 4.4+6.2+1.8+5.9+1.7+5.9+1.5+5.6+2.4+2.3+2.6 = 40.3s ✓. Act durations must be ≤ phase dur: act dur passed = 6.2/5.9/5.9/5.6 with matching act.dur = phase dur exactly (act ends at phase end, phase advances same frame — safe ordering: update act before sequencer advance; act.p clamps ≤1 ✓). gaze management: default each frame: if act: gaze.point = banana.worldPos (live), actor excluded (actor looks at own hand/mouth: set actor gaze = hand cur pos — actually simpler: actor head aims at banana too (it's at his mouth — near-identical direction) ✓!! actor aim = banana pos works during whole act. So gaze.point = banana.position ALWAYS when visible. During lookUp phase: gaze.point = skyPoint; during drop: banana live ✓ automatically (it's visible & moving — heads follow ✓✓). So sequencer only handles look-up override; everything else: everyone watches the banana — perfect narrative logic (they're obsessed with the banana). After final bite banana hidden → gaze fallback: idle wander ✓ good (they look around, then up at phase). Actor during act: aim at banana ✓ (in mouth = looking down cross-eyed slightly? banana at mouth → head pitch extreme? clamp pitch ±0.55 — head aims down-forward ✓ fine). lookUp: heads aim skyPoint (0.2, 6, −0.3): pitch clamp 0.55 → looking "up-ish" ✓ acceptable, maybe raise clamp to 0.75 during lookUp (per-gaze relax clamp: if pitch desired > clamp, allow up to 1.0 — just clamp 0.9 globally, yaw clamp 1.15). **Monkey hover→look at camera** overrides gaze: implement lookAt priority: react/hover > gaze > idle wander. When hovered: m.state.camLook = true (set on pointermove raycast; cleared when not hovered) → aim camera position. ✓ **Idle wander**: yaw/pitch targets wander slowly + occasional quick glance (saccade): every 2–5s new random target within ±0.5 yaw. Implement with per-monkey wander timer. **Scratch idle**: skip to reduce risk? It's charming and easy: non-actor, non-react monkeys: scratchTimer random 6–14s → for 1.3s set off-hand tgt = scratchLocal (side==='R'? use other hand: (−0.18, 0.95, 0.12) → hand to top of head) — with slight head tilt. Add: if m.scratch > 0: handL(opp) tgt = head top, decay timer. ✓ small code. Do it. **Blink & lid code**: ```js m.state.blinkT -= dt; if(m.state.blinkT<0 && m.state.blinkD===undefined) m.state.blinkD = 0; ``` simpler: blinkPhase: if (t > m.nextBlink){ m.blinking = t + 0.24; m.nextBlink = t + R(1.8, 6); } lid rotation: if blinking active: k = sin(π·(1 − (m.blinking − t)/0.24)) → rot = lerp(open −1.3, closed 0.55, k) both lids; else open (damp toward open for smoothness). ✓ **Eating mouth**: S.eating → mouthTgt = 0.55 + 0.4·|sin(t·15)| (chewing); chomp impulse adds: mouthOpen final = min(1, mouthTgt + chomp·0.6); damp 14. mouth scale set: mouth.scale.y = 0.06+0.5·open? mouth.scale.set(0.36, 0.06+0.55·open, 0.24+0.2·open); position.z = 0.12+0.03·open. Also lower-jaw illusion: muzzle.position.y = −0.05 − open·0.02 (muzzle drops slightly) ✓ subtle. **Crumbs at mouth**: mouth world: head.localToWorld(new V3(0, −0.08, 0.16)) ✓ compute fresh. **Camera handheld**: ```js lookJitter: n1 = sin(t·0.9+1.7)·0.05 + sin(t·2.3)·0.02; n2 = cos(t·0.7)·0.05+sin(t·1.9+3)·0.02; lookTarget.x += n1·(1+hb·3); lookTarget.y += n2·(...); hb decays 2/s; click sets hb=1. Also cam pos slight: pos.x += sin(t·0.5)·0.04. ``` **Timecode format**: ```js const f = Math.floor(t*24)%24, s=Math.floor(t)%60, m=Math.floor(t/60)%60, h=Math.floor(t/3600); pad2. ``` **REC blink CSS**: @keyframes blink 1.2s steps(2) opacity 0/1? use opacity 1→0.15. **Buttons**: 32px square, 1px border rgba cream .25, hover bg rgba cream .1; SVG stroke cream. Sound icon: speaker triangle + waves arcs; muted: speaker + x line. Notes icon: small rectangle with lines (or "i" circle). Toggle class .on (accent underline). Keep flat. **Notes panel content** with mono grid: ``` FIELD NOTES — TAKE 07 SUBJECT three macaques — procedural; no photographs involved LOCATION old-growth clearing, mid-canopy, 17:42 BEHAVIOUR turn-taking around a single resource LIGHT one sun, one gap in the canopy NOTE the banana replenishes. do not tell them. ``` last line italic serif? keep mono all, last line dimmer. **Intro slate**: ```

FIELD RECORDING · TAKE 07

A Feeding Ritual

three macaques · one banana · old-growth clearing

``` fade at 2.2s → opacity 0, pointer-events none, remove after 3.2s. **Check three r128 API details**: - `THREE.sRGBEncoding` ✓ exists r128. `renderer.outputEncoding` ✓. - `CanvasTexture` ✓. `texture.encoding = THREE.sRGBEncoding` ✓. - `InstancedMesh` ✓ r128. `instanceMatrix.setUsage(THREE.DynamicDrawUsage)` not needed (static). - `Object3D.attach` not needed anymore (banana not reparented) ✓. - CylinderGeometry openEnded param ✓. - `SpotLight(color, intensity, distance, angle, penumbra, decay)` ✓. - FogExp2 ✓. - `MeshStandardMaterial.bumpMap` ✓; `flatShading` ✓ on material for rocks (r128 material.flatShading ✓). - PointsMaterial map ✓. - `BufferGeometry.translate/rotateX` ✓. - Raycaster with InstancedMesh — we only raycast monkey meshes ✓. - shadow.normalBias exists r128 ✓. **Vertex colors on ground**: `geometry.setAttribute('color', new THREE.Float32BufferAttribute(colors,3))`; material vertexColors:true ✓ r128. **Banana geometry remap** — code: ```js function makeBanana(){ const g = new THREE.CylinderGeometry(1,1,1,14,24,false); const posA = g.attributes.position; const col=[]; const R=0.30, TH=1.9, rTip=0.030, rMid=0.082; for(i){ x=posA.getX(i), y=posA.getY(i), z=posA.getZ(i); const t = y+0.5; // 0..1 const phi = (t-0.5)*TH; const rr = rTip + (rMid-rTip)*Math.pow(Math.sin(Math.PI*t), 0.7); const a = Math.atan2(z, x); const ca=Math.cos(a), sa=Math.sin(a); const sp=Math.sin(phi), cp=Math.cos(phi); posA.setXYZ(i, sp*(R + rr*ca), cp*(R + rr*ca) - R, rr*sa); // tip color const tip = Math.pow(Math.abs(t-0.5)*2, 3); // 0 middle → 1 tips const c1 = Math.min(1, tip*1.4); col.push(1-0.55*c1, 1-0.5*c1, 1-0.55*c1); // darken & brown tips: multiply-ish } g.setAttribute('color', float32 col,3); g.computeVertexNormals(); material: MeshStandardMaterial({map: bananaTex, vertexColors:true, roughness:0.55}); ``` Wait cylinder end caps: openEnded false gives cap fans at y ±0.5 → at tips radius rr small but cap center vertices at (0,±0.5,0): remapped: t=0: phi=−0.95, rr=0.03; cap center: x=sp·R? center vertex has x=z=0 → a=atan2(0,0)=0, ca=1 → x = sp·R·? = sin(−0.95)·0.30·? R+rr·ca: = sin(−0.95)·(0.30+0.03)−0? = −0.23; y = cos(−0.95)·0.33 − 0.30 = 0.19·0.33−0.30 → 0.0627−0.30 = −0.237?? hmm y at tip: cp·(R+rr)−R = 0.5817·0.33 − 0.30 = −0.108. And the ring at t=0 same y −0.108 with x −0.236·... wait sp·(R+rr·ca): ring vertices vary ca: ca from cos(a) full circle: x = sp·(R+rr·ca): range sp·(R−rr)..sp·(R+rr) — the "tube cross-section" at the tip is squashed along x but full in z: rr·sa full circle ✓ correct tube: cross-section = radial dir (sp,cp) with rr component along it + rr along z ✓. Tip cap closes tube ✓. Banana spans x from sin(−0.95)·(0.3±) ≈ −0.236 to sin(0.95)·0.38 ≈ +0.236·? sin(0.95)=0.813: x max 0.813·(0.30+0.082)≈0.31; y from −0.108 to... at t 0.5: x=0, y = (R+rr)−R = rr = 0.082. So banana: arc from (−0.24, −0.108) up through (0, 0.082) to (0.31, −0.108)?? That's asymmetric!! φ range symmetric ±0.95 but sinφ asymmetric sign → x from sin(−0.95)(R+..) = −0.236 to sin(0.95)·... = +0.236 — wait sin(±0.95) = ±0.813 both: |x| same ✓ symmetric: −0.813·(0.30+rr_tip) ≈ −0.27 at tips (rr small at tip 0.03 → −0.813·0.33 = −0.268; at mid x=0 with rr 0.082. Endpoints x ±0.268, y −0.108. Arc apex (0, 0.082). Curved upward ✓ (like a smile? apex ABOVE ends ✓ convex up ✓). Length ≈ arc R·θ = 0.30·1.9 = 0.57 ✓. Center it: subtract mid x 0? symmetric ✓. Base y −0.108: geometry min y −0.108·? at tips y −0.108 → banana world rest y should be 0.108 above log: restPos y = 0.43+0.105 = 0.535?? earlier said 0.49 — set bananaRest = (0.12, 0.54, 0.03) ✓ adjust reach math slightly (y 0.54 → local 0.415): recheck A: d len ≈ sqrt((0.52)²+(0.13)²)? earlier 0.565 with y 0.377·: now y 0.54/1.3=0.415: d=(−0.14,−0.135,0.477) len 0.517 ✓ fine. Cap centers: at exact tip a=undefined atan2(0,0)→0 → fine (ca=1: point = sp·(R+rr), y=cp·(R+rr)−R, z=0 ✓ on axis ✓. Normals via computeVertexNormals ✓ (smooth shading; cap seam fine). Banana castShadow ✓. **Peel geometry**: ```js function makePeel(){ const grp = new THREE.Group(); const stem = new THREE.Mesh(new THREE.CylinderGeometry(0.016,0.022,0.07,8), peelMat darker #b89a4a); stem.position.y=0.03; grp.add(stem); for(i<3){ const pg = new THREE.PlaneGeometry(0.13, 0.36, 1, 8); bend: for v: t=(y+0.18)/0.36; pos.setZ(i? v.z += Math.sin(t*2.2)*0.06; and taper x *= (1.15-0.5*t); pg.translate(0, -0.19, 0); // pivot at top const flap = new THREE.Mesh(pg, peelMat); // banana texture flap.rotation.y = i*2.094; flap.rotation.x = ?? lean outward: after translate pivot top, rotate x to splay bottom outward: rotation order: apply rotY then rotX? With Euler default XYZ: R = Rx·Ry? three applies... Euler 'XYZ' means rotation matrix = Rz·Ry·Rx? Order of application: intrinsic rotations x then y then z? three's Euler XYZ: m = Rx? Ugh. Simplest: wrap each flap in a Group: flapGroup.rotation.y = i·2.094; flap.rotation.x = 0.55 (lean out); flap.position.y = 0.02. → group Y spin then flap leans along its local z? plane faces +z normal... plane geometry lies in XY plane facing z. rotation.x 0.55 tips its bottom outward along local −z? plane height along y from −0.36..0 (after translate). rotation.x positive rotates y→z: bottom (−y) → −z... direction of "outward" after group rotY — consistent radial ✓. Either sign leans outward or inward; visually I'll set 0.5 and if inward — can't test; choose rotation.x = -0.5?? Think: flap local: after group rotY θ, flap's −z? Hmm: point at flap bottom (0,−0.36,0). rotation.x=α: y→z rotation: new = (0, −0.36cosα, −0.36·(−?) ). Rx(α): y' = y cosα − z sinα; z' = y sinα + z cosα. Point (0,−0.36,0) → (0, −0.36cosα, −0.36 sinα). α=0.5: z' = −0.17 → bottom moves to −z local. Group rotY θ rotates that around: for θ=0: outward = −z; is −z "outward" for flap 0? Radially outward should be away from center for each flap — group rotY i·2.094 distributes: flap i bottom points direction rotY(i·2.094)·(0,·,−1) → each flap's bottom splays radially at angle i·2.09 around −z base direction... The three bottoms point 120° apart radially outward ✓ (they're all "outward" relative to center since each rotated version points away) ✓ works: with α 0.5, bottoms splay outward-down around center ✓. Good: rotation.x = 0.5? wait sign: bottom to −z, and flaps' plane surfaces face ±z — after splay they face outward/up-ish ✓ fine. DoubleSide anyway. ``` Peel rest: sits with stem at top y 0.07, flaps reaching down-out to y ≈ −0.36·cos ≈ −0.31 → below ground?? Group origin at ground level → flaps tips underground. Lift: grp rest y = 0.34·? Place peel group y so flap tips touch ground: tips at y = −0.36·cos(0.5)·cos? plus bend... set rest y = 0.30 (tune-ish; slight sink acceptable). Peel "restY = 0.30", rotate slight random z. Hmm flaps 0.36 long → tips at −0.31 → group y 0.30 → tips ≈ −0.01 ≈ ground ✓. Peel world scale vs banana 0.57: flap 0.36+stem: peel spread ~0.5 ✓ proportional. **Peel update**: ```js if(peel.state==='held' && holder hand) follow like banana (offset (0, −0.05, 0)); if('fly'){ vel.y -= 14dt; pos+=vel·dt; rot += spin·dt; if(pos.y

(canvas appended)

FIELD RECORDING · TAKE 07

OLD-GROWTH CLEARING — MID-CANOPY, 17:42

REC TC 00:00:00:00

…

``` Buttons in header might crowd on mobile — media query stacks/hides .t2/.spec. CSS: body margin 0, overflow hidden, bg #0a0d08; canvas block; bars position fixed left0 right0 with flex; fonts; caption Fraunces italic 19px; grain z-index; pointer-events none on bars except buttons. grain dataURL generated in JS assigned to style.backgroundImage with animation? CSS steps animation requires background-position keyframes — define keyframes moving background-position through 8 offsets; JS just sets bg image. Or simpler JS interval shifting background-position every 90ms — tiny cost, do JS (rAF-independent small setInterval 100ms — fine, but intervals run always... acceptable; or shift every 3rd frame in main loop. I'll do in main loop with accumulated time: every 0.09s set el.style.backgroundPosition = `${(Math.random()*128)|0}px ${(Math.random()*128)|0}px`? random jump = sparkle grain ✓. **Raycaster hover throttling**: do on pointermove directly (mousemove fires often but raycast over ~6 meshes trivial). Store pickMeshes array. **Pointer events + touch pinch**: use pointer events: ```js const pointers = new Map(); el.addEventListener('pointerdown', e => { el.setPointerCapture(e.pointerId); pointers.set(id, {x,y}); if(pointers.size===1){drag start} else {pinchStartDist} }); pointermove: if(pointers.has(id)) update; if size===1 && down: rotate; if 2: pinch → tR. pointerup/cancel: delete. ``` Click detection: on pointerup where movement small & duration <400ms → pick. **setPointerCapture** on canvas keeps drags outside ✓. **Sound toggle icon swap**: two SVG paths, toggle display. **Edge: audio init requires user gesture** — toggling IS the gesture ✓. **Assemble everything** — also remember: `renderer.domElement` style touch-action: none for pointer dragging ✓ CSS `#scene canvas{touch-action:none}`. **Order of code**: 1. consts/ut 2. textures 3. renderer/scene/camera/lights/fog/sky 4. env: ground, log(+rest), trees, foliage, grass, ferns, litter, rocks, branch, mushrooms, shafts, dust 5. banana, peel, crumbs, leaves pools 6. monkeys + positioning + anchors (grabLocal, mouthLocal, feet) 7. gaze/act/sequencer/captions 8. audio 9. camera controls + picking 10. UI wiring (buttons, tc, hint, intro) 11. loop Let me also double-check the **solve() with shoulder anchors list**: arms: two limbs (R: shoulder (0.22,0.55,0.04); L mirror). Legs: hips (±0.12, 0.30, 0.02) → ankles computed local. Legs hand? end sphere = foot mesh already placed — legs need end sphere at ankle? Foot mesh AT ankle-ish: place foot mesh at ankle + slight offset; solver end = ankle; add ankle joint sphere r 0.045 hidden by foot ✓ or skip ankle sphere (foot covers) ✓ skip. Leg limb meshes radii: upper (0.062, 0.055), fore (0.05, 0.042). Also body sits: pelvis y 0.42·1.3? torso group y 0.42 (unscaled) → root scale 1.3 → world 0.546 body center; body sphere ry 0.24·1.05·1.3=0.327 → bottom at 0.22 world; seat sphere at torso−0.24·? seat position y 0.42−0.24=0.18 local → world 0.234, ry 0.24·0.5·1.3=0.156 → bottom 0.078 — floats 0.08 above ground?? Ground y 0 at seats (flat clearing ✓ but ground noise flattened only r<1.6? I flatten by sstep(1.6,4.5,r)·... seats at r 0.6–0.75 → h≈0 ✓). Lower seat: position (0, −0.28, −0.03) rel torso → y 0.14 local → world 0.182, bottom 0.026 ✓ ok; hips at (±0.12, 0.30, 0.02) local·1.3 = 0.39 world — upper leg from hip down to ankle 0.06 → folded ✓. Body lean: torso group rotation.x slight forward 0.15 (hunched) ✓ set torso.rotation.x = 0.12. Then shoulders (children of root, not torso) at (±0.22,0.55,0.04) — but torso leans... shoulders as root children at fixed spot while torso leans 0.12 rad — top of torso moves forward ~0.05 — shoulder anchor might detach visually from body front... arms have spheres at shoulder? Add shoulder sphere r 0.058 at each anchor (root child) ✓ blends into torso ✓. Head at root (0,0.76,0.10) vs torso top: torso center 0.42+... skull bottom ≈ 0.76·1.3−0.155·1.3 = 0.787 world; body top ≈ (0.42+0.24·1.05)·1.3 = (0.42+0.252)·1.3 = 0.874?? body top 0.874 > skull bottom 0.787 — head sunk into body 0.09 — good (no neck gap) ✓ hunched look ✓. Head pokes forward z 0.10+ ✓. **Torso lean & shoulders**: put torso.rotation.x=0.12, and shoulder anchors follow torso? Solver works in root-local; shoulder anchors fixed local (±0.22, 0.55, 0.06): torso at that height (0.55−0.42=0.13 above center): leaning rotates points: z += sin(0.12)·0.13 ≈ 0.015 — negligible ✓ keep fixed anchors. **Legs pole & knees**: ankles forward — knees bow up/outward: pole (±0.3, 0.8, 0.55) per leg side? pole mostly up: knees up ✓. **Feet**: at ankle + (0,−0.02, 0.05) local, scaled (0.055→(1,0.55,1.9)) — toes forward. **Check reach target for B using LEFT shoulder (−0.22,0.55,0.04) to grabLocal B (computed (0.01, 0.377, 0.39)): d = (0.23, −0.173, 0.35) — length 0.46 ✓. **Mouth target with left-hand eater (B)**: (−0.05, 0.70, 0.30): d from left shoulder (−0.22,0.55,0.04): (0.17, 0.15, 0.26) len 0.35 ✓. **Banana holder offset**: banana pos = hand + (mouth−hand normalized)·0.10 → banana center 10cm before mouth: banana half-length when scale k·0.57: k 0.5 → 0.14 half — end reaches past mouth ✓ overlapping mouth at later bites ✓ end pokes slightly into mouth = bite ✓. **Chew**: actor mouth opens while eating; other monkeys' mouths idle 0. **Also eating monkey head follows hand→mouth**: head aims banana (at mouth) → pitch clamp keeps head level-ish ✓ fine. **Sound: chew each bite + tiny slurp?** chomp enough. **Let me now also make sure sequencer + act interplay ordering in loop**: ```js updateAct(dt) BEFORE phase advance; phases enter startAct with dur == phase d ✓ act completes exactly at phase end. ``` Phase tick none needed except pauses set gaze. gaze default logic each frame: ```js let gp = null; if(lookUpPhaseFlag) gp = skyPoint else if(banana.visible) gp = banana.position; monkeys: if camLook: aim camera; else if gp: aim gp; else wander. ``` lookUp flag set by phase enter (phase index 8) & cleared at drop enter. I'll give phases optional `gaze: 'sky'|'banana'|null` handled: simpler: phase obj may have `sky:true`; in update: skyGaze = phases[phaseI].sky === true && phaseStarted. ✓ drop phase sky:false → banana tracking ✓. **Heads track during toss**: banana hidden after finish → wander → then sky ✓. **C captions on drop land**: settle cap ✓. **Loop reset**: phases[0] cap shows ambient variants — same captions each loop? Add variant arrays; setCaption picks random each time ✓ nice. **Peel cleanup on loop restart**: peel stays on ground forever (accumulating? One peel per loop — old peels: keep max 3: previous peels fade out when new one spawns (fade & remove) — implement peel as single reusable: when final act happens next loop, existing resting peel fades (scale to 0 over 1s then hide, reset) — "the forest swallows it" — simple: at final bite (spawn), if peel.state==='rest' → start fadeOut. Single peel object ✓. **Camera collision with ground**: phi clamp 0.32..1.42 keeps above horizon ✓ min r 3.4. **Sky dome radius 42 < far 60 ✓; fog on dome? ShaderMaterial fog false ✓. **scene.background** = new Color(fog color) as fallback beyond dome? dome covers ✓ but set anyway. **Ground size 64 (±32) vs dome 42: ground edge pokes outside dome at corners (32·√2=45>42) — corners outside dome → visible against background color — with fog density 0.045 at 30+ distance: factor exp(−(30·0.045)²)=exp(−1.82)=0.16 → 84% fogged ✓ invisible anyway ✓. **Sun shadow camera** also must cover framing trunks at (±5, 3.6) ✓ within 8. **Trees in shadow frustum that are FAR (r 8–14) > 8**: they don't cast; near ring 6.5–9: partial — set shadow cam ±9. **Draw calls audit** — fine. **Antialias + tone mapping + fog + shadows** — heavy-ish but ok. Also `renderer.setClearColor` n/a (dome covers). **Write CSS carefully**: - .bar {position:fixed; left:0;right:0; display:flex; align-items:center; justify-content:space-between; padding: 0 18px; background: rgba(7,10,6,0.82); z-index:10; font-family mono;} - top: top:0; height:46px; border-bottom:1px solid rgba(232,227,213,0.10); - bottom: bottom:0; height:60px; border-top:...; - caption: position absolute center within bottom bar: .cap{position:absolute; left:50%; transform:translateX(-50%); bottom:18px?} place inside footer with width 100%: footer position relative children absolute. - caption: font-family Fraunces; font-style italic; font-size:19px; color:#eae5d3; text-shadow:0 1px 10px rgba(0,0,0,.7); transition opacity .25s; max-width 640px; text-align center; line-height 1.35. - caption hidden state class .fade {opacity:0}. - .hint small mono dim; fades: add .gone. - rec dot: 7px circle #c8452e? red #cf3b2a; animation blink 1.3s steps(1) infinite? steps for hard blink: keyframes {0%,60%{opacity:1} 61%,100%{opacity:.15}}. - buttons: display flex gap 6px align center; background transparent; border:1px solid rgba(232,227,213,.28); color:#eae5d3; padding:5px 10px; font: 10px mono; letter-spacing:.12em; cursor pointer; border-radius 2px; hover: background rgba(232,227,213,.12). - .on state: border-color stronger + text? add small underline via box-shadow inset bottom 2px accent #d8c98a? subtle cream accent ✓. - notes panel: fixed left:18px; bottom:74px; width:340px; background rgba(8,11,6,.92); border:1px solid rgba(232,227,213,.18); padding:14px 16px; font mono 10.5px; line-height 1.7; color #cfc9b4; transform translateY(8px) opacity 0; .open → visible; dl grid: use spans with fixed-width labels: `.row{display:grid; grid-template-columns: 86px 1fr; gap:0 10px;}` — wait, I dislike generic grids but a definition table is semantic, fine. - vignette: inset shadow. - grain: opacity .06; mix-blend overlay; z 5. - intro: fixed inset 0 flex center column; bg transparent (scene visible behind) with slight backdrop darkening rgba(6,9,5,.45); z 20; transition opacity 1s; .hide → opacity 0. - intro .t1 mono 11px letterspace .3em color #cfc9b4; .serif Fraunces italic 44px #ece7d5 margin 12px 0 10px; .dim 10px mono. - media (max-width:720px): hide .t2, .spec; caption 15px; intro serif 30px. **Icon SVGs**: - speaker: `

A 3 monkeys eating a banana in the middle of a forest very r...