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57 lines
1.8 KiB
Plaintext
57 lines
1.8 KiB
Plaintext
/*
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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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* Nothing
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*
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* Example:
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*
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* Public: No
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*/
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// #define ENABLE_PERFORMANCE_COUNTERS
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#include "script_component.hpp"
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[{
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// BEGIN_COUNTER(pfeh);
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private["_accel", "_accelRef", "_bulletSpeed", "_bulletVelocity", "_deleted", "_deltaT", "_drag", "_dragRef", "_isWind", "_trueSpeed", "_trueVelocity"];
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params ["_args"];
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_args params ["_lastTime"];
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_deltaT = ACE_time - _lastTime;
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_args set [0, ACE_time];
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_deleted = 0;
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_isWind = (vectorMagnitude ACE_wind > 0);
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{
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_x params ["_bullet", "_airFriction"];
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_bulletVelocity = velocity _bullet;
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_bulletSpeed = vectorMagnitude _bulletVelocity;
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if ((!alive _bullet) || {(_bullet isKindOf "BulletBase") && {_bulletSpeed < 100}}) 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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_trueVelocity = _bulletVelocity vectorDiff ACE_wind;
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_trueSpeed = vectorMagnitude _trueVelocity;
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_dragRef = _deltaT * _airFriction * _bulletSpeed * _bulletSpeed;
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_accelRef = (vectorNormalized _bulletVelocity) vectorMultiply (_dragRef);
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_bulletVelocity = _bulletVelocity vectorDiff _accelRef;
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_drag = _deltaT * _airFriction * _trueSpeed;
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_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), [ACE_time]] call CBA_fnc_addPerFrameHandler;
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