three#ShaderChunk TypeScript Examples

The following examples show how to use three#ShaderChunk. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SubsurfaceScatteringShader.ts    From trois with MIT License 5 votes vote down vote up 
meshphongFragHead = ShaderChunk.meshphong_frag.slice(0, ShaderChunk.meshphong_frag.indexOf('void main() {'))
Example #2
Source File: SubsurfaceScatteringShader.ts    From trois with MIT License 5 votes vote down vote up 
meshphongFragBody = ShaderChunk.meshphong_frag.slice(ShaderChunk.meshphong_frag.indexOf('void main() {'))
Example #3
Source File: SubsurfaceScatteringShader.ts    From trois with MIT License 5 votes vote down vote up 
SubsurfaceScatteringShader = {

  uniforms: UniformsUtils.merge([
    ShaderLib.phong.uniforms,
    {
      thicknessColor: { value: new Color(0xffffff) },
      thicknessDistortion: { value: 0.1 },
      thicknessAmbient: { value: 0.0 },
      thicknessAttenuation: { value: 0.1 },
      thicknessPower: { value: 2.0 },
      thicknessScale: { value: 10.0 },
    },
  ]),

  vertexShader: `
    #define USE_UV
    ${ShaderChunk.meshphong_vert}
  `,

  fragmentShader: `
    #define USE_UV
    #define SUBSURFACE

    ${meshphongFragHead}

    uniform float thicknessPower;
    uniform float thicknessScale;
    uniform float thicknessDistortion;
    uniform float thicknessAmbient;
    uniform float thicknessAttenuation;
    uniform vec3 thicknessColor;

    void RE_Direct_Scattering(const in IncidentLight directLight, const in vec2 uv, const in GeometricContext geometry, inout ReflectedLight reflectedLight) {
      #ifdef USE_COLOR
        vec3 thickness = vColor * thicknessColor;
      #else
        vec3 thickness = thicknessColor;
      #endif
      vec3 scatteringHalf = normalize(directLight.direction + (geometry.normal * thicknessDistortion));
      float scatteringDot = pow(saturate(dot(geometry.viewDir, -scatteringHalf)), thicknessPower) * thicknessScale;
      vec3 scatteringIllu = (scatteringDot + thicknessAmbient) * thickness;
      reflectedLight.directDiffuse += scatteringIllu * thicknessAttenuation * directLight.color;
    }
  ` + meshphongFragBody.replace(
    '#include <lights_fragment_begin>',
    replaceAll(
      ShaderChunk.lights_fragment_begin,
      'RE_Direct( directLight, geometry, material, reflectedLight );',
      `
        RE_Direct( directLight, geometry, material, reflectedLight );
        #if defined( SUBSURFACE ) && defined( USE_UV )
          RE_Direct_Scattering(directLight, vUv, geometry, reflectedLight);
        #endif
      `
    )
  ),
}