Create an interactive 3D galaxy collision simulation in a si...

Prompt

Create an interactive 3D galaxy collision simulation in a single HTML file using Three.js and custom GLSL shaders. Include two spiral galaxies with 50,000 glowing particles each that gravitationally interact and merge in real time, with bloom post-processing, camera orbit controls, and UI sliders for time speed and gravity strength.

A system prompt was added to support web rendering