ThreeJs king 2

Prompt

Create a complete, standalone 3D interactive scene in a single HTML file using Three.js (via CDN ES Modules/import maps) and OrbitControls. Subject: A Procedural Cyberpunk Alleyway at Night with Neon Signage and Rain. Technical Requirements: 1. Instancing & Geometry: - Use THREE.InstancedMesh to render 30+ building modules and window blocks along a street grid efficiently. 2. Advanced Materials & Atmosphere: - Wet ground asphalt using MeshStandardMaterial (low roughness 0.15, high metalness) reflecting neon lights. - Neon signs using high-intensity emissive colors (electric magenta, cyan, laser green). - Atmospheric fog using THREE.FogExp2 with a dark blue/purple tint. 3. Weather & Traffic Systems: - Particle rain system (THREE.Points) with downward velocity and floor-collision reset logic. - Flying vehicles (glowing primitives) moving continuously along background sky lanes. 4. Post-Processing & Lighting: - Implement EffectComposer with UnrealBloomPass (or fallback glow pipeline) to generate a realistic bloom/glow effect on neon materials. - Dynamic moving point lights (simulating streetlights or passing drone headlights). 5. Robustness & Controls: - OrbitControls with pan/zoom limits. - Window resize handler updating camera, renderer, and EffectComposer resolution. - Fully standalone: NO external image texture dependencies (generate procedural canvas textures or use pure color/PBR parameters).