M > Math.atan2 |
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Math.atan2
math.atan2, atan2, arc tangent
Availability
Flash Player 5. In Flash Player 4, the methods and properties of the Math object are emulated using approximations and may not be as accurate as the non-emulated math functions supported by Flash Player 5.
Usage
Math.atan2(
y, x
)
Parameters
x
A number specifying the x coordinate of the point.
y
A number specifying the y coordinate of the point.
Returns
A number.
Description
Method; computes and returns the arc tangent of y/x
in radians. The return value represents the angle opposite the opposite angle of a right triangle, where x
is the adjacent side length and y
is the opposite side length.
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