Angle between points

Angle from Coordinates

Finding angles between two points is a common requirement. For example, you want your character to move or fire in the direction of the mouse cursor, or you want a character to turn to face something on the map.

View example

The method for finding the angle between 2 coordinates is as follows:

function getAngle(x, y, x2, y2)
	var a = Math.atan2(y2 - y, x2 - x);
	return a < 0 ? a + (Math.PI * 2) : a;

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