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55 lines
1.8 KiB
Plaintext
55 lines
1.8 KiB
Plaintext
#include "script_component.hpp"
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/*
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* Author: Glowbal, Ruthberg
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* Handles wind deflection for projectiles.
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*
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* Arguments:
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* 0: bullet - Object the event handler is assigned to <OBJECT>
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* 1: airFriction - air friction of the bullet <NUMBER>
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*
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* Return Value:
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* None
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*
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* Example:
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* [bullet, 2] call ace_winddeflection_fnc_updateTrajectoryPFH
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*
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* Public: No
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*/
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[{
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// BEGIN_COUNTER(pfeh);
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params ["_args"];
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_args params ["_lastTime"];
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private _deltaT = CBA_missionTime - _lastTime;
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_args set [0, CBA_missionTime];
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private _isWind = (vectorMagnitude wind > 0);
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{
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_x params ["_bullet", "_airFriction"];
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private _bulletVelocity = velocity _bullet;
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private _bulletSpeedSqr = vectorMagnitudeSqr _bulletVelocity;
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if ((!alive _bullet) || {(_bullet isKindOf "BulletBase") && {_bulletSpeedSqr < 10000}}) then {
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GVAR(trackedBullets) deleteAt (GVAR(trackedBullets) find _x);
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} else {
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if (_isWind) then {
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private _trueVelocity = _bulletVelocity vectorDiff wind;
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private _trueSpeed = vectorMagnitude _trueVelocity;
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private _dragRef = _deltaT * _airFriction * _bulletSpeedSqr;
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private _accelRef = (vectorNormalized _bulletVelocity) vectorMultiply (_dragRef);
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_bulletVelocity = _bulletVelocity vectorDiff _accelRef;
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private _drag = _deltaT * _airFriction * _trueSpeed;
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private _accel = _trueVelocity vectorMultiply (_drag);
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_bulletVelocity = _bulletVelocity vectorAdd _accel;
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};
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_bullet setVelocity _bulletVelocity;
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};
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nil
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} count +GVAR(trackedBullets);
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// END_COUNTER(pfeh);
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}, GVAR(simulationInterval), [CBA_missionTime]] call CBA_fnc_addPerFrameHandler;
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