Math > Math.atan2

Math.atan2

Syntax

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.