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Proof of concept wind code (custom debug output enabled)

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This commit is contained in:
ulteq 2015-04-20 15:11:14 +02:00
parent be378adfee
commit 9155056a50
2 changed files with 48 additions and 20 deletions
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64
addons/weather/functions/fnc_getWind.sqf
View File

@ -10,25 +10,53 @@
* Wind <ARRAY>
*/
#include "script_component.hpp"
private ["_dir","_dirInc","_dirRange","_period","_periodPercent","_periodPosition","_return","_spd","_spdInc","_spdRange"];
_return = [0,0,0];
if(!isNil "ACE_WIND_PARAMS") then {
_dir = ACE_WIND_PARAMS select 0;
_dirRange = (ACE_WIND_PARAMS select 1) - (ACE_WIND_PARAMS select 0);
_spd = ACE_WIND_PARAMS select 2;
_spdRange = (ACE_WIND_PARAMS select 3) - (ACE_WIND_PARAMS select 2);
_period = ACE_WIND_PARAMS select 4;
// Source: https://weatherspark.com/averages/32194/Lemnos-Limnos-North-Aegean-Islands-Greece
_AB_Wind_Speed_Max = [[8.8, 5.5], [8.8, 5], [8.6, 4.8], [7.6, 3.4], [7.0, 3.0], [7.1, 3.0], [7.5, 3.1], [8.0, 3.2], [7.6, 3.5], [7.8, 4.6], [7.9, 5.0], [8.2, 5.5]];
_AB_Wind_Speed_Mean = [4.8, 4.9, 4.6, 4.1, 3.5, 3.5, 4.3, 4.4, 4.1, 4.5, 4.5, 5.0];
_AB_Wind_Speed_Min = [[0.2, 5.0], [0.1, 5.0], [0.2, 4.3], [0.0, 3.0], [0.0, 2.1], [0.0, 2.0], [0.1, 3.1], [0.3, 3.1], [0.0, 3.6], [0.0, 4.2], [0.1, 5.0], [0.2, 5.5]];
_AB_Wind_Direction_Probabilities = [[0.06, 0.32, 0.05, 0.04, 0.15, 0.06, 0.02, 0.02], // January
[0.08, 0.32, 0.04, 0.04, 0.18, 0.06, 0.02, 0.02], // February
[0.09, 0.30, 0.04, 0.04, 0.20, 0.06, 0.02, 0.03], // March
[0.10, 0.25, 0.03, 0.04, 0.22, 0.06, 0.02, 0.04], // April
[0.18, 0.25, 0.03, 0.04, 0.18, 0.04, 0.01, 0.05], // May
[0.25, 0.25, 0.03, 0.03, 0.15, 0.03, 0.00, 0.08], // June
[0.32, 0.30, 0.02, 0.02, 0.10, 0.01, 0.00, 0.09], // July
[0.28, 0.35, 0.02, 0.01, 0.08, 0.01, 0.00, 0.08], // August
[0.20, 0.37, 0.03, 0.01, 0.11, 0.01, 0.01, 0.05], // September
[0.10, 0.39, 0.04, 0.02, 0.15, 0.02, 0.01, 0.03], // October
[0.08, 0.38, 0.06, 0.04, 0.19, 0.03, 0.02, 0.02], // November
[0.06, 0.37, 0.05, 0.03, 0.18, 0.04, 0.02, 0.02]];// December
_periodPosition = (time - GVAR(wind_period_start_time)) min _period;
_periodPercent = _periodPosition/_period;
_spdInc = _spdRange * _periodPercent;
_dirInc = _dirRange * _periodPercent;
_spd = (_spd + _spdInc);
_dir = _dir + _dirInc;
if (_dir > 360) then {_dir = _dir - 360};
if (_dir < 0) then {_dir = _dir + 360};
_PI = 3.14159265;
_c1 = 0.2 + random 0.2;
_c2 = 0.3 + random 0.2;
_c3 = 0.5 + random 0.2;
_c4 = 0.7 + random 0.2;
_return = [_spd * sin _dir, _spd * cos _dir, 0];
_month = date select 1;
_windDirectionProbabilities = _AB_Wind_Direction_Probabilities select (_month - 1);
while {isNil QGVAR(windDirection)} do {
_random = random 1;
for "_i" from 0 to 7 do {
if (_random < (_windDirectionProbabilities select _i)) exitWith {
GVAR(windDirection) = 45 * _i;
};
_return;
};
GVAR(windDirection) = GVAR(windDirection) + (random 22.5) - (random 22.5);
};
_min = _AB_Wind_Speed_Min select (_month - 1);
_min = (_min select 0) + (random (_min select 1)) - (random (_min select 1));
_min = 0 max _min;
_max = _AB_Wind_Speed_Max select (_month - 1);
_max = (_max select 0) + (random (_max select 1)) - (random (_max select 1));
_max = 0 max _max;
_x = time * 180 / _PI;
_ratio = 0 max ((1 + _c1 * sin(_x/1.5) + _c2 * sin(_x/3) + _c3 * sin(_x/12) + _c4 * sin(_x/18)) / (1 + _c1 + _c2 + _c3 + _c4));
_windSpeed = _min + (_max - _min) * _ratio;
systemChat format["Speed: %1, Direction: %2", _windSpeed, GVAR(windDirection)];
[-1 * sin(GVAR(windDirection)) * _windSpeed, -1 * cos(GVAR(windDirection)) * _windSpeed, 0]

2
addons/weather/functions/fnc_updateWind.sqf
View File

@ -18,4 +18,4 @@ setWind [ACE_wind select 0, ACE_wind select 1, true];
// Set waves: 0 when no wind, 1 when wind >= 16 m/s
1 setWaves (((vectorMagnitude ACE_wind) / 16.0) min 1.0);
//hintSilent format["Wind: %1\nACE_wind: %2\nDeviation: %3 (m/s)", wind, ACE_wind, Round((vectorMagnitude (ACE_wind vectorDiff wind)) * 1000) / 1000];
hintSilent format["Wind: %1\nACE_wind: %2\nDeviation: %3 (m/s)", wind, ACE_wind, Round((vectorMagnitude (ACE_wind vectorDiff wind)) * 1000) / 1000];