PromptTested
Debug a blank Three.js canvas
A focused diagnostic prompt for the classic scene that renders nothing.
Living field manual
Mix filters, change the grouping order, and share the exact view with anyone.
A focused diagnostic prompt for the classic scene that renders nothing.
Practical guides for scenes, cameras, responsive rendering, cleanup, post-processing, and debugging.
React components and hooks for using Rapier in React Three Fiber scenes.
A green build is useful evidence, but it is not evidence that the visible experience works.
Official setup and concept guides for the Rapier physics engine in browser projects.
A floating rigid-body character controller for React Three Fiber and Rapier.
Remove stale geometries, materials, textures, and render targets when scenes change.
Separate CPU, GPU, asset, shader, and layout costs before optimizing.
Prevent a hidden tab or debugger pause from turning one frame into a physics explosion.
Use refs and the render loop for values that change every frame.
Connect input, camera, simulation, and presentation before suggesting tuning changes.
The official browser editor for composing and exporting Three.js scenes.
Keep simulation results stable across fast displays, slow frames, and recording tools.
A large helper library for common React Three Fiber scene patterns.
Collision and contact callbacks need active events on the relevant collider.