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playcanvas

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PlayCanvas WebGL game engine

playcanvas.com

playcanvas/engine

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var skyboxPS = '\n #define LIT_SKYBOX_INTENSITY\n\n #include "envProcPS"\n #include "gammaPS"\n #include "tonemappingPS"\n\n // Varying and uniform declarations\n varying vViewDir : vec3f;\n uniform skyboxHighlightMultiplier : f32;\n\n #ifdef SKY_CUBEMAP\n\n var texture_cubeMap : texture_cube<f32>;\n var texture_cubeMap_sampler : sampler;\n\n #ifdef SKYMESH\n varying vWorldPos : vec3f;\n uniform cubeMapRotationMatrix : mat3x3f;\n uniform projectedSkydomeCenter : vec3f;\n #endif\n\n #else // env-atlas\n\n #include "sphericalPS"\n #include "envAtlasPS"\n\n var texture_envAtlas : texture_2d<f32>;\n var texture_envAtlas_sampler : sampler;\n\n uniform mipLevel : f32;\n\n #endif\n\n @fragment\n fn fragmentMain(input : FragmentInput) -> FragmentOutput {\n\n var linear : vec3f;\n var dir : vec3f;\n\n #ifdef SKY_CUBEMAP\n\n #ifdef SKYMESH\n // get vector from world space pos to tripod origin\n var envDir : vec3f = normalize(input.vWorldPos - uniform.projectedSkydomeCenter);\n dir = envDir * uniform.cubeMapRotationMatrix;\n #else\n dir = input.vViewDir;\n #endif\n\n dir.x *= -1.0;\n linear = {SKYBOX_DECODE_FNC}(textureSample(texture_cubeMap, texture_cubeMap_sampler, dir));\n\n #else // env-atlas\n\n dir = input.vViewDir * vec3f(-1.0, 1.0, 1.0);\n let uv : vec2f = toSphericalUv(normalize(dir));\n linear = {SKYBOX_DECODE_FNC}(textureSample(texture_envAtlas, texture_envAtlas_sampler, mapRoughnessUv(uv, uniform.mipLevel)));\n\n #endif\n\n // our HDR encodes values up to 64, so allow extra brightness for the clipped values\n if (any(linear >= vec3f(64.0))) {\n linear *= uniform.skyboxHighlightMultiplier;\n }\n \n var output: FragmentOutput;\n output.color = vec4f(gammaCorrectOutput(toneMap(processEnvironment(linear))), 1.0);\n return output;\n }\n'; export { skyboxPS as default };