ACE3/addons/interact_menu/functions/fnc_rotateVectLine.sqf
2015-02-21 17:11:03 -03:00

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/*
* Author: NouberNou
* Rotate a vector line (?)
*
* Argument:
* 0: Map <ARRAY>
* 1: Theta <ARRAY>
*
* Return value:
* 0: ?? <ARRAY>
*
* Public: No
*/
#include "script_component.hpp"
private ["_theta", "_p", "_map", "_p1", "_p2", "_q1", "_q2", "_u", "_d"];
_map = _this select 0;
_theta = _this select 1;
_p = _map select 0;
_p1 = _map select 1;
_p2 = _map select 2;
_q1 = +(_map select 3);
_q2 = +(_map select 4);
_u = _map select 5;
_d = _map select 6;
/* Step 4 */
_q2 set[0, (_q1 select 0) * cos(_theta) - (_q1 select 1) * sin(_theta)];
_q2 set[1, (_q1 select 0) * sin(_theta) + (_q1 select 1) * cos(_theta)];
_q2 set[2, (_q1 select 2)];
/* Inverse of step 3 */
_q1 set[0, (_q2 select 0) * _d + (_q2 select 2) * (_u select 0)];
_q1 set[1, (_q2 select 1)];
_q1 set[2, - (_q2 select 0) * (_u select 0) + (_q2 select 2) * _d];
/* Inverse of step 2 */
if (_d != 0) then {
_q2 set[0, (_q1 select 0)];
_q2 set[1, (_q1 select 1) * (_u select 2) / _d + (_q1 select 2) * (_u select 1) / _d];
_q2 set[2, - (_q1 select 1) * (_u select 1) / _d + (_q1 select 2) * (_u select 2) / _d];
} else {
_q2 = _q1;
};
/* Inverse of step 1 */
_q1 set[0, (_q2 select 0) + (_p1 select 0)];
_q1 set[1, (_q2 select 1) + (_p1 select 1)];
_q1 set[2, (_q2 select 2) + (_p1 select 2)];
_q1;