Unity Products:Amplify Shader Editor/DDY

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DDY Node

The DDY node outputs the partial derivatives of the specified Input value with respect to the screen space y-coordinate.
NOTE: For further information on how the derivatives are calculated please check the following link.


Nodes used: World Normal, DDY

Node Parameter Description Default Value
Input Value to be used in the DDY operation from which the variation in y will be calculated. Only visible if the respective input port is not connected. 0
Input Port Description Type
Input Value to be used in the DDY from which the variation in y will be calculated. Float [1]



  1. ^ Port automatically adapts to all connection types except Matrices and Sampler types.

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