ACE3/addons/weather/functions/fnc_getWind.sqf
2016-06-18 11:50:41 +02:00

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/*
* Author: ACE2 Team, Ruthberg
* Calculate current wind locally from the data broadcasted by the server
*
* Arguments:
* None
*
* Return Value:
* Wind <ARRAY>
*
* Example:
* [] call ace_weather_fnc_getWind
*
* Public: No
*/
#include "script_component.hpp"
if (isNil "ACE_WIND_PARAMS") exitWith { [0, 0, 0] };
ACE_WIND_PARAMS params ["_dir", "_dirChange", "_spd", "_spdChange", "_period"];
//Wind _dir is the "source" of the wind [eg: "northerly wind": _dir = 0 -> wind = [0,-1,0];]
private _periodPosition = (CBA_missionTime - GVAR(wind_period_start_time)) min _period;
private _periodPercent = _periodPosition / _period;
_spd = _spd + _spdChange * _periodPercent;
_dir = _dir + _dirChange * _periodPercent;
_dir = (360 + _dir) % 360;
TRACE_1("PeriodStartTime",Round(GVAR(wind_period_start_time)));
TRACE_2("Dir: Current/Change",Round(_dir),Round(_dirChange));
TRACE_2("Spd: Current/Change",Round(_spd * 10) / 10,Round(_spdChange * 10) / 10);
TRACE_3("Period/Position/Percent",Round(_period),Round(_periodPosition),Round(_periodPercent * 100) / 100);
// TODO: Add some deterministic noise
[-_spd * sin(_dir), -_spd * cos(_dir), 0]