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threejs-procedural-materials

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Mis à jour22 juin 2026 à 12:24

Author production procedural materials in Three.js. Use for atlas filtering and specular AA, planet-space material fields, terrain wetness, per-instance dissolve, authored PBR identities, derivative normals, and custom direct-light shadow modulation.

Installation

Installer avec Codex ou Claude Copiez ce prompt, collez-le dans Codex, Claude ou un autre assistant, puis laissez-le vérifier la page du skill et l'installer pour vous.

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Source

DotanVG

DotanVG/Orbital-Breach

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Métiers associésSOC

Basé sur la classification professionnelle SOC

Développeurs de logicielsProfessions informatiques et mathématiques·SOC 15-1252

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3 fichiers

SKILL.md

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name	threejs-procedural-materials
description	Author production procedural materials in Three.js. Use for atlas filtering and specular AA, planet-space material fields, terrain wetness, per-instance dissolve, authored PBR identities, derivative normals, and custom direct-light shadow modulation.

Procedural Materials

Build a material from surface identity and causes. Color, roughness, metalness, normal, transmission, and emission should describe the same surface—not unrelated noise textures.

Material graph order

stable coordinates
  → structural fields
  → material identity weights
  → causal modifiers
  → filtered microstructure
  → PBR channels
  → lighting/shadow extensions

Read references/procedural-pbr-system.md for atlas filtering, specular AA, planetary coordinates, world-height wetness, per-instance dissolve, and authored PBR response bundles.

Read the sculpted gallery frame geometry for walnut, antique-gold, and ebony texture/roughness/metalness/clearcoat bundles under a grazing-light setup.

Read the procedural planet surface for shared geological, climate, water, biome, roughness, and derivative-normal causes on a procedural planetary surface.

Read the analytic wave optics for coupled reflection, refraction, absorption, filtered microstructure, resolved crest response, and their diagnostic channels.

Required controls

real or perceptual texture scale;
material identity weights;
roughness range and micro-normal strength;
the causal fields required by the selected material pattern;
distance/derivative filtering;
specular antialiasing;
channel and mask debug modes.

Failure conditions

every PBR channel samples independent noise;
roughness is a scalar afterthought;
high-frequency normals survive below one pixel;
triplanar projection has visible orientation or scale seams;
atlas padding is ignored under mipmapping;
custom lighting removes energy conservation without an explicit stylized goal;
post-processing is used to hide unstable highlights.

Routing boundary

Use $threejs-procedural-fields when the main problem is designing shared scalar/vector causes. Use $threejs-procedural-planets for a complete orbit-to-close-approach body, not merely its material.