14 lines
372 B
HLSL
14 lines
372 B
HLSL
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#ifndef PFRESNEL_INCLUDED
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#define PFRESNEL_INCLUDED
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#include "PUniforms.cginc"
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void CalculateFresnelFactor(float3 worldPos, float3 worldNormal, out half fresnel)
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{
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float3 worldViewDir = normalize(_WorldSpaceCameraPos.xyz - worldPos);
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half vDotN = dot(worldViewDir, worldNormal);
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fresnel = saturate(pow(max(0, 1 - vDotN), _FresnelStrength)) - _FresnelBias;
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}
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#endif
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