Difference between revisions of "Subtract Colour"

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[[Image:drex_module_44_image_0.png|485pxpx|Subtract Colour]]
 
[[Image:drex_module_44_image_0.png|485pxpx|Subtract Colour]]
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'''Node Description & Purpose: '''<br /> The Subtract family of nodes allow you to subtract the colour/scalar/vector coming into the Input by the color/scalar/vector coming into Input 2. The subtraction is component-wise, for example with a colour :<br /><br /> Input.red '''-''' Input 2.red<br /> Input.green '''-''' Input 2.green<br /> Input.blue '''-''' Input 2.blue<br /><br />'''Node Type: ''' Function<br /><br />'''Settings: '''<br /> All nodes in this family have just the one setting, which lets you choose a node for Input 2.
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Revision as of 19:38, 28 April 2011

Subtract Colour[edit]

Subtract Colour

Node Description & Purpose:
The Subtract family of nodes allow you to subtract the colour/scalar/vector coming into the Input by the color/scalar/vector coming into Input 2. The subtraction is component-wise, for example with a colour :

Input.red - Input 2.red
Input.green - Input 2.green
Input.blue - Input 2.blue

Node Type: Function

Settings:
All nodes in this family have just the one setting, which lets you choose a node for Input 2.


A scalar is a single number. 1, 200.45, -45, -0.2 are all examples of scalar values.

A vector is a set of three scalars, normally representing X, Y and Z coordinates. It also commonly represents rotation, where the values are pitch, heading and bank.