strata-game-library/shaders / furVertexShader

Variable: furVertexShader

const furVertexShader: "\n uniform float layerOffset;\n uniform float spacing;\n uniform float time;\n \n varying vec2 vUv;\n varying float vLayer;\n varying vec3 vNormal;\n \n void main() {\n vUv = uv;\n vLayer = layerOffset;\n vNormal = normalize(normalMatrix * normal);\n \n // Multi-layer shell displacement: Extrude along normal per layer\n vec3 pos = position + normal * (layerOffset * spacing);\n \n // Wind animation for fur tips - more pronounced at higher layers\n float windStrength = pow(layerOffset, 2.0);\n pos.x += sin(time * 2.0 + position.y * 2.0 + position.z * 1.5) * 0.01 * windStrength;\n pos.z += cos(time * 1.5 + position.x * 2.0 + position.y * 1.0) * 0.01 * windStrength;\n \n // Gravity droop - more pronounced at tips\n pos.y -= pow(layerOffset, 2.5) * 0.04;\n \n gl_Position = projectionMatrix * modelViewMatrix * vec4(pos, 1.0);\n }\n"

Defined in: fur.ts:11

Fur shell shader - layered alpha-tested shells for volumetric fur effect Migrated from rivermarsh procedural rendering system.

Multi-layer shell displacement with wind animation and density falloff.