ACE3/addons/missileguidance/functions/fnc_changeMissileDirection.sqf
2016-10-17 16:08:23 -05:00

27 lines
653 B
Plaintext

/*
* Author: jaynus / nou
* Change a projectile's direction, maintaing speed
*
* Arguments:
* 0: Projectile <OBJECT>
* 1: Direction (unit vector) <ARRAY>
*
* Return Value:
* None
*
* Example:
* [missile, [0,1,0]] call ace_missileguidance_fnc_changeMissileDirection;
*
* Public: No
*/
// #define DEBUG_MODE_FULL
#include "script_component.hpp"
params ["_projectile", "_v"];
private _l = sqrt ((_v select 0) ^ 2 + (_v select 1) ^ 2);
private _r = -(_v select 2) / _l;
_projectile setVectorDirAndUp [ _v, [(_v select 0) * _r,(_v select 1) * _r, _l] ];
_projectile setVelocity (_v vectorMultiply (vectorMagnitude (velocity _projectile)));