ue4 小知识点 图片变灰 hlsl 材质 custom shader

ue4 小知识点 图片变灰 hlsl 材质 custom shader

 

 

float3 resColor = dot(color, float3(0.299, 0.587, 0.114));
return resColor;float3 resColor = dot(color, float3(0.299, 0.587, 0.114));
return resColor;