LYGIA Shader Library

atan2 (lygia/math/atan2)

The range here in degrees is 0 to pi (0-180 degrees) and -pi to 0 (181 to 359 degrees More about it at



<float> atan2(<float>y, <float> x)

Check it on Github

#ifndef FNC_ATAN2
#define FNC_ATAN2
float atan2(float y, float x) { return mod(atan(y,x) + PI, TAU); }


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