Math > Math.atan2
Math.atan2Syntax
Math.atan2(
y, x
);
Arguments
x
A number specifying the x coordinate of the point.
y
A number specifying the y coordinate of the point.
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.
Player
Flash 5 or later. In the Flash 4 Player, 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 the Flash 5 Player.