18 lines
695 B
C++
18 lines
695 B
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Math/MathFwd.h"
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class FViewInfo;
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struct FViewMatrices;
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class FLightSceneInfo;
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// Computes a matrix to transform float4(SvPosition.xyz,1) directly to coordinate system of the given light
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void LightFunctionSvPositionToLightTransform(FMatrix44f& OutMatrix, const FViewInfo& View, const FLightSceneInfo& LightSceneInfo);
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FVector3f GetCamRelativeLightPosition(const FViewMatrices& ViewMatrices, const FLightSceneInfo& LightSceneInfo);
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// Returns a fade fraction for a light function and a given view based on the appropriate fade settings.
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float GetLightFunctionFadeFraction(const FViewInfo& View, FSphere LightBounds);
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