ProjectArcade

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void main()
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{
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	float4 emboss = (SampleLocation(GetCoordinates()+GetInvResolution()) - SampleLocation(GetCoordinates()-GetInvResolution()))*2.0;
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	emboss -= (SampleLocation(GetCoordinates()+float2(1,-1)*GetInvResolution()).rgba - SampleLocation(GetCoordinates()+float2(-1,1)*GetInvResolution()).rgba);
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	float4 color = Sample();
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	if (color.r > 0.8 && color.b + color.b < 0.2)
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	{
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		SetOutput(float4(1,0,0,0));
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	}
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	else
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	{
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		color += emboss;
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		if (dot(color.rgb, float3(0.3, 0.5, 0.2)) > 0.5)
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			SetOutput(float4(1,1,1,1));
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		else
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			SetOutput(float4(0,0,0,0));
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	}
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}
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