MONKEYYYY

enginecustom/CelShadingShader.cpp

@@ -372,6 +372,9 @@ bool CelShadingShader::SetShaderParameters(ID3D11DeviceContext* deviceContext, X
     dataPtr2->diffuseColor = diffuseColor;
     dataPtr2->lightDirection = lightDirection;
     dataPtr2->lightPosition = lightPosition;
+    dataPtr2->constantAttenuation = 0.5f; // Set your attenuation values here
+    dataPtr2->linearAttenuation = 0.1f;
+    dataPtr2->quadraticAttenuation = 0.01f;
 
     // Unlock the constant buffer.
     deviceContext->Unmap(m_lightBuffer, 0);
@@ -389,6 +392,7 @@ bool CelShadingShader::SetShaderParameters(ID3D11DeviceContext* deviceContext, X
 }
 
 
+
 void CelShadingShader::RenderShader(ID3D11DeviceContext* deviceContext, int indexCount)
 {
     // Set the vertex input layout.

enginecustom/CelShadingShader.h

@@ -32,8 +32,13 @@ private:
         float padding;  // Padding to ensure the structure is a multiple of 16 bytes.
         XMFLOAT3 lightPosition; // Add light position
         float padding2; // Padding to ensure the structure is a multiple of 16 bytes.
+        float constantAttenuation;
+        float linearAttenuation;
+        float quadraticAttenuation;
+        float padding3; // Padding to ensure the structure is a multiple of 16 bytes.
     };
 
+
 public:
     CelShadingShader();
     CelShadingShader(const CelShadingShader&);

enginecustom/celshading.ps

@@ -5,6 +5,10 @@ cbuffer LightBuffer
     float padding; // Padding to ensure the structure is a multiple of 16 bytes.
     float3 lightPosition; // Add light position
     float padding2; // Padding to ensure the structure is a multiple of 16 bytes.
+    float constantAttenuation;
+    float linearAttenuation;
+    float quadraticAttenuation;
+    float padding3; // Padding to ensure the structure is a multiple of 16 bytes.
 };
 
 Texture2D shaderTexture;
@@ -41,6 +45,15 @@ float4 CelShadingPixelShader(PixelInputType input) : SV_TARGET
     // Combine the directional and positional light intensities.
     lightIntensity = max(directionalLightIntensity, positionalLightIntensity);
 
+    // Calculate the distance from the light to the fragment.
+    float distance = length(lightPosition - input.worldPos);
+
+    // Apply an attenuation factor based on the distance.
+    float attenuation = 1.0f / (constantAttenuation + linearAttenuation * distance + quadraticAttenuation * distance * distance);
+
+    // Combine the light intensity with the attenuation factor.
+    lightIntensity *= attenuation;
+
     // Apply a step function to create the cel shading effect.
     if (lightIntensity > 0.75f)
     {
@@ -71,4 +84,4 @@ float4 CelShadingPixelShader(PixelInputType input) : SV_TARGET
     finalColor = textureColor * diffuseColor * lightIntensity;
 
     return finalColor;
-}
+}

enginecustom/imgui.ini

@@ -15,10 +15,10 @@ Pos=60,60
 Size=342,82
 
 [Window][Light]
-Pos=1223,64
+Pos=1564,17
 Size=345,519
 
 [Window][Shader Manager]
-Pos=33,253
+Pos=32,253
 Size=172,284