28 lines
701 B
Markdown
28 lines
701 B
Markdown
# DDY Node
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## Description
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Returns the partial derivative of the input **In** with respect to the screen-space y-coordinate. This node can only be used in the pixel shader stage.
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## Ports
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| Name | Direction | Type | Description |
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|:------------ |:-------------|:-----|:---|
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| In | Input | Dynamic Vector | Input value |
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| Out | Output | Dynamic Vector | Output partial derivative value |
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## Generated Code Example
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The following example code represents one possible outcome of this node.
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```
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void Unity_DDY_float4(float4 In, out float4 Out)
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{
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Out = ddy(In);
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}
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```
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## Additional resources
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[!include[nodes-example-samples](./snippets/nodes-example-samples.md)]
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