Unity Products:Amplify Shader Editor/Subtract

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Subtract Node

The Subtract Node ( shortcut: S key ) does an arithmetic subtraction where A is subtracted by B or ( A - B ).

Subtraction between multi-channel data types are done per-channel. If A and B have different channel amounts a cast is done to match the one with the most amount of channels.

Note: Subtraction is not commutative so value's order is important.


Nodes used: Texture Sample, Subtract


Node Parameter Description Default Value
A The minuend, the value you want to subtract from. Only visible if the respective input port is not connected. 0
B The subtrahend, the value you want to be subtracted by. Only visible if the respective input port is not connected. 0


Input Port Description Type
A The minuend, the value you want to subtract from. Float [1]
B The subtrahend, the value you want to be subtracted by. Float [1]

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

Math Operators - Subtract/Divide

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