45 lines
1.1 KiB
PostScript
45 lines
1.1 KiB
PostScript
// celshading.ps
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cbuffer LightBuffer
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{
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float4 diffuseColor;
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float3 lightDirection;
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float padding; // Padding to ensure the structure is a multiple of 16 bytes.
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};
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Texture2D shaderTexture;
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SamplerState SampleType;
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struct PixelInputType
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{
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float4 position : SV_POSITION;
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float2 tex : TEXCOORD0;
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};
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float4 CelShadingPixelShader(PixelInputType input) : SV_TARGET
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{
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float4 textureColor;
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float lightIntensity;
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float4 finalColor;
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// Sample the pixel color from the texture.
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textureColor = shaderTexture.Sample(SampleType, input.tex);
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// Calculate the light intensity based on the light direction.
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lightIntensity = saturate(dot(normalize(lightDirection), float3(0.0f, 0.0f, -1.0f)));
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// Apply a step function to create the cel shading effect.
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if (lightIntensity > 0.5f)
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{
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lightIntensity = 1.0f;
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}
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else
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{
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lightIntensity = 0.3f;
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}
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// Calculate the final color by combining the texture color with the light intensity and diffuse color.
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finalColor = textureColor * diffuseColor * lightIntensity;
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return finalColor;
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}
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