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The '''Atan2''' node returns the [https://en.wikipedia.org/wiki/Atan2| 2-argument arctangent] of the point with the input X and Y coordinates. The output value is the angle between the positive x axis and the point in [https://en.wikipedia.org/wiki/Cartesian_coordinate_system| the Cartesian coordinate system]. | The '''Atan2''' node returns the [https://en.wikipedia.org/wiki/Atan2| 2-argument arctangent] of the point with the input X and Y coordinates. The output value is the angle between the positive x axis and the point in [https://en.wikipedia.org/wiki/Cartesian_coordinate_system| the Cartesian coordinate system]. | ||
{{Template:Note|The output value is in [https://en.wikipedia.org/wiki/Radian radians]. If you want a value in degrees, multiply by the [[ProtoFlux: | {{Template:Note|The output value is in [https://en.wikipedia.org/wiki/Radian radians]. If you want a value in degrees, multiply by the [[ProtoFlux:Rad_2_Deg | Rad 2 Deg]] node.|suggestion}} | ||
== Variants == | == Variants == | ||
Revision as of 05:51, 26 May 2024
The Atan2 node returns the 2-argument arctangent of the point with the input X and Y coordinates. The output value is the angle between the positive x axis and the point in the Cartesian coordinate system.
Variants
There are many variants of this node. The simplest take 2 scalar numeric-typed values. Some more complicated variants take one scalar and one vector or two same-sized vectors. In each case, the output has the same dimensions as the highest dimension input. Values are calculated element-wise, for example:
If the input Y is 1 and input X is [2;3] the output will be [Atan2(1,2);Atan2(1,3)].
Similarly if the input Y is [1;2] and the input X is [3;4] the output will be [Atan2(1,3);Atan2(2,4)].
Inputs
Y (Pseudo-Generic)
Input Y coordinate value.
X (Pseudo-Generic)
Input X coordinate value.
Outputs
* (Pseudo-Generic)
2-argument arctangent of Y and X.