playcanvas/build/playcanvas/src/scene/shader-lib/chunks/lit/frag/ambientEnv.js

PlayCanvas WebGL game engine

var ambientEnvPS = "\n#ifndef ENV_ATLAS\n#define ENV_ATLAS\nuniform sampler2D texture_envAtlas;\n#endif\nvoid addAmbient(vec3 worldNormal) {\n	vec3 dir = normalize(cubeMapRotate(worldNormal) * vec3(-1.0, 1.0, 1.0));\n	vec2 uv = mapUv(toSphericalUv(dir), vec4(128.0, 256.0 + 128.0, 64.0, 32.0) / atlasSize);\n	vec4 raw = texture2D(texture_envAtlas, uv);\n	vec3 linear = $DECODE(raw);\n	dDiffuseLight += processEnvironment(linear);\n}\n";

export { ambientEnvPS as default };