ACE3/addons/common/functions/fnc_getWeaponAzimuthAndInclination.sqf

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/*
* Author: commy2
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* Get local players weapon direction and slope.
*
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* Arguments:
* 0: Weapon name <STRING>
*
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* Return Value:
* 0: Azimuth <NUMBER>
* 1: Inclination <NUMBER>
*
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* Public: Yes
*/
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#include "script_component.hpp"
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params ["_weapon"];
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private ["_direction", "_azimuth", "_inclination"];
_direction = ACE_player weaponDirection _weapon;
_azimuth = (_direction select 0) atan2 (_direction select 1);
_inclination = asin (_direction select 2);
if (_azimuth < 0) then {_azimuth = _azimuth + 360};
[_azimuth, _inclination]