It demonstrates the frontier of AI-driven game development with a fully procedural asset pipeline, a rigorous tooling harness for reproducible benchmarking, and a process discovery that sequential single-owner passes outperform parallel fan-out.
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A first-person shooter built in the browser with Three.js r180 and WebGL2. Roughly 55k lines across 11 subsystems, written by a fleet of AI agents under orchestration.
There are no art assets. Every texture, mesh, animation and sound is generated
procedurally at load time from code. No models, no HDRIs, no image files, no audio
files. The only runtime dependency is three.
npm install
npm run dev # http://127.0.0.1:5173
Click the canvas to lock the cursor. WASD move, mouse aim, LMB fire, RMB ADS, R reload, Shift sprint, Ctrl crouch, Space jump, Q/E lean, Esc release.
| subsystem | what it does |
|---|---|
render | HDR pipeline, cascaded shadow maps in a sampler2DArray with texel snapping and PCSS contact hardening, MRT depth/normal/velocity prepass, GTAO, TAA with YCoCg variance clipping, tile-dilated motion blur, Karis bloom pyramid, GPU EV100 metering, procedural 33³ grade LUT, AgX composite |
materials | GPU texture forge: 19 procedural surfaces (concrete, brick, plaster, asphalt, sand, rusted/painted/brushed metal, wood, fabric, burlap, glass…), periodic noise so everything tiles seamlessly, Sobel height→normal, parallax occlusion mapping, triplanar projection, curvature-driven edge wear |
sky | Atmospheric scattering, time of day, PMREM environment generation, volumetric fog and light shafts |
world | ~120×120 m market street: modular building kit with real wall thickness, enterable interiors, several hundred instanced props |
physics | Written from scratch, no library. Binned-SAH BVH (29k tris → 14k nodes in 22 ms, 0.25 µs/raycast), swept-capsule character controller with a 5-plane crease stack, impulse rigid bodies with CCD, PBD ragdolls, multi-layer bullet penetration |
player | Movement state machine, slide/mantle/lean, camera feel |
weapons | Procedural weapon geometry, viewmodel rig, ADS, spring recoil, procedural reloads, ballistics with travel time and drop |
fx | GPU particles, decals, tracers, muzzle flash, explosions |
ai | Skinned soldiers, navmesh pathing, perception, cover behaviour, ragdoll death |
ui | DOM/CSS HUD: crosshair, hitmarkers, minimap, compass, killfeed |
audio | Web Audio synthesis — no sound files. Layered weapon fire, convolution reverb, HRTF spatialisation, occlu |
A Call of Duty-quality FPS in Three.js, built from a single prompt.
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