angleBetween(x1, y1, x2, y2) → {number}
Find the angle of a segment from (x1, y1) -> (x2, y2).
Parameters
Name Type Description x1 number The x coordinate of the first value. y1 number The y coordinate of the first value. x2 number The x coordinate of the second value. y2 number The y coordinate of the second value.
Returns
number - The angle, in radians.
Source code: math/Math.js (Line 404)