dos_atan2 - dalefugier/DOSLib GitHub Wiki
Calculates the arctangent (inverse tangent) of y/x.
Syntax
(dos_atan2 y x)
Parameters
y
The y value.
x
The x value.
Returns
The arctangent of y/x (if x equals 0, dos_atan2 returns π/2 if y is positive, -π/2 if y is negative, or 0 if y is 0) if successful.
nil on error.
Example
Command: (dos_atan2 0.5 5.0)
0.0996687