float4x4 World; float4x4 View; float4x4 Projection; float4 AmbientColor = float4(1, 0.5, 0, 1); float AmbientIntensity = 0.1; //float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0 //{ // return AmbientColor * AmbientIntensity; //}