The WebGPU engine
for AI coding agents.

A saturated star tunnel accelerates toward an impossible arcade horizon.

Living cyan cells pulse and communicate across a midnight reef.

One shader, three blend modes — opaque, alpha transparency, and additive glow, switched with a program option.

A blocky voxel world you can fly through — the terrain, every block material, and all the culling are computed in the vertex shader.

Interactive camera: position and rotation sliders driving a cached view-projection matrix.

A prebuilt Caustics study using voronoi2, ready to import from brometal/shaders.

A prebuilt Checkerboard study using rotate2, ready to import from brometal/shaders.

A prebuilt Chromatic Aberration study using texture(), ready to import from brometal/shaders.

A prebuilt Cosine Palette study using cosinePalette, ready to import from brometal/shaders.

A prebuilt CRT study using texture(), ready to import from brometal/shaders.

Prismatic vaults repeat into an impossible mirrored sanctuary.

Procedural plasma written in plain TypeScript — helper functions, let, and for loops compiled to WGSL.

Dense luminous symbols pour down a curved digital surface.

Eight Gerstner waves shape tropical water with analytic normals, refracted caustics, depth-aware colour, and steepness-driven foam.

A prebuilt Domain Warp study using warp2 · cosinePalette, ready to import from brometal/shaders.

A prebuilt Edge Detect study using luminance, ready to import from brometal/shaders.

A lensing black-hole silhouette wrapped in a white-hot, Doppler-shifted accretion ring.

A prebuilt FBM Clouds study using fbm2, ready to import from brometal/shaders.

A prebuilt Fire study using fbm2, ready to import from brometal/shaders.

Every built-in geometry — cube, sphere, torus knot, and friends — with a live selector.

A prebuilt Glitch study using hash11, ready to import from brometal/shaders.

A prebuilt Halftone study using luminance · rotate2 · fillAA, ready to import from brometal/shaders.

A polished complex-plane jewel refracts a continuously evolving boundary.

A prebuilt Julia Set study using cosinePalette, ready to import from brometal/shaders.

A prebuilt Kaleidoscope study using fbm2 · cosinePalette, ready to import from brometal/shaders.

A top-down overworld you can walk around — a tilemap and every animated sprite drawn from one atlas in two instanced draw calls.

Blinn-Phong lighting on solid-colored faces with a movable point light.

A prebuilt Lighting study using lambert · blinnPhongSpec · fresnel · hemisphereLight, ready to import from brometal/shaders.

A prebuilt Lightning study using fbm2 · hash11, ready to import from brometal/shaders.

Forking electric paths repeatedly discover a radiant central sigil.

A prebuilt Metaballs study using cosinePalette, ready to import from brometal/shaders.

A textured spaceship loaded from a .glb file with loadGlb — CC0 model by Quaternius.

A 400 × 400 Utah teapot field represents 1.01 billion source triangles with compute culling, GPU-built visibility queues, and indirect LOD draws.

A moonlit ocean — Gerstner waves in the vertex shader, fbm micro-ripples, fresnel, and a specular glint per pixel.

120,000 independently lit cuboids form a rippling kinetic sculpture in one draw call.

A prebuilt Raymarching study using sdSphere3 · sdBox3 · sdTorus3 · smoothUnion · lambert · fresnel, ready to import from brometal/shaders.

A prebuilt Rings study using fbm2 · cosinePalette, ready to import from brometal/shaders.

Elastic ripples rolling across a surface — easing functions driving per-vertex animation on the GPU.

Hello world: one spinning cube, a TypeScript shader, and the WebGPU runtime.

A prebuilt SDF Shapes study using sdCircle · sdBox2 · smoothUnion · fillAA, ready to import from brometal/shaders.

A prebuilt Sepia + Vignette study using luminance, ready to import from brometal/shaders.

A visual reference example for every function in brometal/shader-functions — noise, easing, color, lighting, SDFs.

Shadow mapping in two passes — geometry rendered from the light into a depth-tested render target, then sampled back with 9-tap PCF.

Magnetic ribbons peel away from a turbulent star in incandescent loops.

Jewel-toned panes throw animated pools of colour through smoky air.

A playable flight experience — fly the Spitfire through an instanced asteroid field with an additive engine trail and a follow camera.

A prebuilt Starfield study using hash22 · hash21, ready to import from brometal/shaders.

A laser sun sinks behind a racing perspective grid and chrome mountains.

A 65k-vertex plane sculpted into rolling terrain by fbm noise running in the vertex shader.

A lit, textured cube — move the light and pick from nine CC0 textures.

A neon torus knot and orbiting moons rendered with stepped light, graphic highlights, silhouette ink, and shadow hatching.

A prebuilt Tunnel study using rotate2, ready to import from brometal/shaders.

A prebuilt Value Noise study using vnoise2, ready to import from brometal/shaders.

A prebuilt Voronoi study using voronoi2 · hash22, ready to import from brometal/shaders.

A prebuilt Worley Edges study using worleyEdge2, ready to import from brometal/shaders.