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88b312d3a4
"Range" parameter of point light sources (positional and spot) concidering in PBR has been added. Angular attenuation parameter of spot light in PBR has been reimplemented based on existing "concentration" parameter.
39 lines
1.5 KiB
Plaintext
39 lines
1.5 KiB
Plaintext
// This file has been automatically generated from resource file src/Shaders/PointLightAttenuation.glsl
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static const char Shaders_PointLightAttenuation_glsl[] =
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"//! Returns point light source attenuation factor\n"
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"float occRangedPointLightAttenuation (in float theDistance, in float theRange)\n"
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"{\n"
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" if (theDistance <= theRange)\n"
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" {\n"
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" float aResult = theDistance / theRange;\n"
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" aResult *= aResult;\n"
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" aResult *= aResult;\n"
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" aResult = 1.0 - aResult;\n"
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" aResult = clamp(aResult, 0.0, 1.0);\n"
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" aResult /= max(0.0001, theDistance * theDistance);\n"
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" return aResult;\n"
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" }\n"
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" return -1.0;\n"
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"}\n"
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"\n"
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"//! Returns point light source attenuation factor with quadratic attenuation in case of zero range.\n"
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"float occPointLightAttenuation (in float theDistance, in float theRange)\n"
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"{\n"
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" if (theRange == 0.0)\n"
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" {\n"
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" return 1.0 / max(0.0001, theDistance * theDistance);\n"
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" }\n"
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" return occRangedPointLightAttenuation (theDistance, theRange);\n"
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"}\n"
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"\n"
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"//! Returns point light source attenuation factor with linear attenuation in case of zero range.\n"
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"float occPointLightAttenuation (in float theDistance, in float theRange, in float theLinearAttenuation, in float theConstAttenuation)\n"
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"{\n"
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" if (theRange == 0.0)\n"
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" {\n"
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" return 1.0 / (theConstAttenuation + theLinearAttenuation * theDistance);\n"
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" }\n"
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" return occRangedPointLightAttenuation (theDistance, theRange);\n"
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"}\n";
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