Questions tagged [threejs]
Post a PromptPrompts that generate 3D scenes with three.js.
9 prompts
21votes
0answers
4.2kviews
Three.js solar system with orbit controls from a single prompt - sharing what finally worked
Getting a correct-feeling solar system out of one prompt is surprisingly hard: you either get planets orbiting at the same speed or a camera stuck inside the sun. This prompt gets the scale relationsh
28votes
1answers
5.2kviews
GPU particle system in three.js: 100k points orbiting a strange attractor at 60fps
I wanted a big swirling particle cloud following a Lorenz/Thomas attractor. CPU-updating 100k positions per frame in JS was a slideshow. I knew I needed the integration to happen on the GPU but kept g
22votes
2answers
3.2kviews
One-shot three.js hyperspace starfield that stays 60fps on a laptop trackpad
I wanted the classic warp-speed starfield but every naive attempt spawned 20k separate Mesh objects and my fans took off. The trick was forcing the model to reach for InstancedMesh (or a single Points
24votes
2answers
3.4kviews
Low-poly procedural terrain in three.js that regenerates from a seed with a flat-shaded look
I was chasing that faceted low-poly island aesthetic. My first attempts used a smooth normal PlaneGeometry so it looked like melted plastic, not crisp facets. Also the terrain wasn't reproducible so I
27votes
2answers
2.8kviews
One prompt for a convincing CRT / arcade shader overlay on a canvas game
I wanted my pixel games to look like they're running on an old arcade monitor, not a crisp modern LCD. Most AI attempts gave me faint horizontal lines and called it a CRT, which fools nobody. Asking f
11votes
1answers
2.0kviews
A reusable three.js ShaderMaterial boilerplate prompt: time, resolution, and mouse uniforms done right
I kept rewriting the same plumbing for every shader toy: pass uTime, uResolution, uMouse, handle DPR, update on resize. And I kept getting subtle bugs, like resolution not accounting for pixel ratio s
20votes
1answers
1.9kviews
Getting GPT to write clean fbm noise in GLSL without the hash function collapsing to bands
Whenever I asked for a fragment shader with fractal brownian motion I got a hash based on sin(dot(p, vec2(12.9898,78.233))) 43758.5453. It looks fine at small scale then produces visible diagonal band
16votes
0answers
2.3kviews
Prompt for OrbitControls that auto-frames any loaded model and never lets you fly inside it
I load a lot of random glTF models and half of them arrived either microscopic or filling the whole viewport. I kept manually tweaking camera distance per model like an animal. So I wrote a prompt tha
9votes
0answers
1.4kviews
Responsive camera framing in three.js so a scene fills phone portrait and desktop wide equally
My 3D product scene looked perfect on my 16:9 monitor and then the hero object was tiny and floating in the corner on a phone in portrait. Classic: I was only adjusting aspect on resize, not the actua