playcanvas

Version:

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

27 lines (19 loc) • 712 B

JavaScript

var transmissionPS = /* 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 { transmissionPS as default };