playcanvas/build/playcanvas/src/scene/shader-lib/glsl/chunks/lit/frag/reflectionSphere.d.ts

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

declare const _default: "\n#ifndef VIEWMATRIX\n    #define VIEWMATRIX\n    uniform mat4 matrix_view;\n#endif\nuniform sampler2D texture_sphereMap;\nuniform float material_reflectivity;\n\nvec3 calcReflection(vec3 reflDir, float gloss) {\n    vec3 reflDirV = (mat3(matrix_view) * reflDir);\n\n    float m = 2.0 * sqrt(dot(reflDirV.xy, reflDirV.xy) + (reflDirV.z + 1.0) * (reflDirV.z + 1.0));\n    vec2 sphereMapUv = reflDirV.xy / m + 0.5;\n\n    return {reflectionDecode}(texture2D(texture_sphereMap, sphereMapUv));\n}\n\nvoid addReflection(vec3 reflDir, float gloss) {   \n    dReflection += vec4(calcReflection(reflDir, gloss), material_reflectivity);\n}\n";
export default _default;