angle
(angle point1 point2)
This function returns the angle between
point1 and
point2 in
radians.
Arguments |
point1 a 2d/3d point, marks the start point of the virtual
line |
Return |
the angle in radians (double) |
Example |
(angle '(2 2) '(3 3
1)) |
Remarks |
the angle of the line
between point1 and point2 is measured against the 0 degree line (x axis) in
counter-clockwise mode; |
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