fnc_vectRotate2D.sqf

#include "script_component.hpp"
/* ----------------------------------------------------------------------------
Function: CBA_fnc_vectRotate2D

Description:
    Rotates a 2D vector around a given center.

    For rotating of a vector from its origin, use BIS_fnc_rotateVector2D

Parameters:
    Center, Vector, Angle

Returns:
    The rotated vector

Author:
    Rommel
---------------------------------------------------------------------------- */

params ["_center", "_vector", "_angle"];
_center params ["_x", "_y"];


private _dx = _x - (_vector select 0);
private _dy = _y - (_vector select 1);

[
    _x - ((_dx * cos (_angle)) - (_dy * sin (_angle))),
    _y - ((_dx * sin (_angle)) + (_dy * cos (_angle)))
]