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38 行
1.2 KiB
38 行
1.2 KiB
#ifndef UNITY_LIGHT_UTILITIES_INCLUDED
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#define UNITY_LIGHT_UTILITIES_INCLUDED
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#include "LightDefinition.cs.hlsl"
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#define SETTER_FLOAT3(data, field, value)\
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data.##field##X = value.x;\
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data.##field##Y = value.y;\
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data.##field##Z = value.z
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// The EnvLightData of the sky light contains a bunch of compile-time constants.
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// This function sets them directly to allow the compiler to propagate them and optimize the code.
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EnvLightData InitSkyEnvLightData(int envIndex)
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{
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EnvLightData output;
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ZERO_INITIALIZE(EnvLightData, output);
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output.influenceShapeType = ENVSHAPETYPE_SKY;
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output.envIndex = envIndex;
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SETTER_FLOAT3(output, influenceForward, float3(0.0, 0.0, 1.0));
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SETTER_FLOAT3(output, influenceUp, float3(0.0, 1.0, 0.0));
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SETTER_FLOAT3(output, influenceRight, float3(1.0, 0.0, 0.0));
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SETTER_FLOAT3(output, influencePositionWS, float3(0.0, 0.0, 0.0));
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output.dimmer = 1.0;
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// proxy
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SETTER_FLOAT3(output, proxyForward, float3(0.0, 0.0, 1.0));
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SETTER_FLOAT3(output, proxyUp, float3(0.0, 1.0, 0.0));
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SETTER_FLOAT3(output, proxyRight, float3(1.0, 0.0, 0.0));
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output.minProjectionDistance = 65504.0f;
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return output;
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}
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#undef SETTER_FLOAT3
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#endif // UNITY_LIGHT_UTILITIES_INCLUDED
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