23 lines
773 B
HLSL
23 lines
773 B
HLSL
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#include "Defines.hlsli"
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DiffSpec LightCalc(PointLight pl, float3 pos, int2 texCoord)
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{
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DiffSpec output;
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float4 normalSpec = NormalSpec[texCoord];
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float3 lightVec = pl.PosRadius.xyz - pos.xyz;
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float d = length(lightVec);
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lightVec = lightVec/d;
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float diffFactor = max(dot(lightVec, normalSpec.xyz), 0.0f);
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float3 v = reflect(-lightVec, normalSpec.xyz);
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float specFactor = pow(max(dot(v,normalize(-pos)), 0.0f),normalSpec.w);
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//Check att later
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float att = (max(d-pl.PosRadius.w,0)/pow(pl.PosRadius.w,2));
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//fix Ilum calcs instead of PhongBlinn
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output.Diffuse = pl.ColorBright.w * att * diffFactor * pl.ColorBright.xyz;
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output.Specular = pl.ColorBright.w * att * specFactor * pl.ColorBright.xyz;
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if(diffFactor == 0)
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output.Specular * 0;
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return output;
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}
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