playcanvas

Version:

Open-source WebGL/WebGPU 3D engine for the web

31 lines (24 loc) • 733 B

JavaScript

var transmission_default = (
  /* wgsl */
  `

#ifdef STD_REFRACTION_CONSTANT
    uniform material_refraction: f32;
#endif

fn getRefraction() {
    var refraction: f32 = 1.0;

    #ifdef STD_REFRACTION_CONSTANT
    refraction = uniform.material_refraction;
    #endif

    #ifdef STD_REFRACTION_TEXTURE
    refraction = refraction * textureSampleBias({STD_REFRACTION_TEXTURE_NAME}, {STD_REFRACTION_TEXTURE_NAME}Sampler, {STD_REFRACTION_TEXTURE_UV}, uniform.textureBias).{STD_REFRACTION_TEXTURE_CHANNEL};
    #endif

    #ifdef STD_REFRACTION_VERTEX
    refraction = refraction * saturate(vVertexColor.{STD_REFRACTION_VERTEX_CHANNEL});
    #endif

    dTransmission = refraction;
}
`
);
export {
  transmission_default as default
};