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Jellonator/random_vector_in_cone.gd

Created April 7, 2021 05:16
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random_vector_in_cone.gd
func gen_random_in_cone(theta: float) -> Vector3:
var z = rand_range(cos(theta), 1.0)
var phi = rand_range(0.0, PI * 2.0)
var tmp = sqrt(1 - z*z)
return Vector3(tmp * cos(phi), tmp * sin(phi), z)
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