threejs-materials

Development

Three.js materials - PBR, basic, phong, shader materials, material properties. Use when styling meshes, working with textures, creating custom shaders, or optimizing material performance.

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/threejs-materials/SKILL.md

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Three.js Materials

Material Types

Material	Use Case	Lighting
MeshBasicMaterial	Unlit, flat colors	No
MeshLambertMaterial	Matte surfaces	Yes (diffuse)
MeshPhongMaterial	Shiny surfaces	Yes
MeshStandardMaterial	PBR, realistic	Yes (PBR)
MeshPhysicalMaterial	Advanced PBR	Yes (PBR+)
ShaderMaterial	Custom GLSL	Custom

MeshStandardMaterial (PBR)

const material = new THREE.MeshStandardMaterial({
  color: 0xffffff,
  roughness: 0.5,
  metalness: 0.0,
  map: colorTexture,
  normalMap: normalTexture,
  roughnessMap: roughTexture,
  metalnessMap: metalTexture,
  aoMap: aoTexture,
  emissive: 0x000000,
  emissiveIntensity: 1,
  envMap: envTexture,
  envMapIntensity: 1,
});

// AO map requires second UV channel
geometry.setAttribute("uv2", geometry.attributes.uv);

MeshPhysicalMaterial

const glass = new THREE.MeshPhysicalMaterial({
  transmission: 1,
  thickness: 0.5,
  ior: 1.5,
  roughness: 0,
  metalness: 0,
});

const carPaint = new THREE.MeshPhysicalMaterial({
  clearcoat: 1,
  clearcoatRoughness: 0.1,
  metalness: 0.9,
  roughness: 0.5,
});

ShaderMaterial

const material = new THREE.ShaderMaterial({
  uniforms: {
    time: { value: 0 },
    color: { value: new THREE.Color(0xff0000) },
  },
  vertexShader: `
    void main() {
      gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
    }
  `,
  fragmentShader: `
    uniform vec3 color;
    void main() {
      gl_FragColor = vec4(color, 1.0);
    }
  `,
});

// Update uniform
material.uniforms.time.value = clock.getElapsedTime();

Common Properties

material.transparent = true;
material.opacity = 0.5;
material.side = THREE.DoubleSide;
material.wireframe = true;
material.depthTest = true;
material.depthWrite = true;

Environment Maps

import { RGBELoader } from "three/examples/jsm/loaders/RGBELoader.js";

new RGBELoader().load("environment.hdr", (texture) => {
  texture.mapping = THREE.EquirectangularReflectionMapping;
  scene.environment = texture;
});