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UnrealEngineUWP/Engine/Shaders/VertexFactoryCommon.usf
2014-03-14 14:13:41 -04:00

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// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
float4 TransformLocalToTranslatedWorld(float3 LocalPosition)
{
//expand the matrix multiply to avoid a code-gen bug on PS4.
//float3 RotatedPosition = mul(LocalPosition.xyz, (float3x3)Primitive.LocalToWorld);
float3 RotatedPosition = Primitive.LocalToWorld[0].xyz * LocalPosition.xxx + Primitive.LocalToWorld[1].xyz * LocalPosition.yyy + Primitive.LocalToWorld[2].xyz * LocalPosition.zzz;
float3 Translation = Primitive.LocalToWorld[3].xyz + View.PreViewTranslation.xyz;
return float4(RotatedPosition + Translation,1);
}