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50 lines
1.6 KiB
Plaintext
50 lines
1.6 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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#include "script_component.hpp"
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[{
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private ["_args", "_bullet", "_airFriction", "_time", "_deltaT", "_bulletVelocity", "_bulletSpeed", "_trueVelocity", "_trueSpeed", "_dragRef", "_drag", "_accelRef", "_accel"];
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_args = _this select 0;
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_bullet = _args select 0;
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_airFriction = _args select 1;
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_time = _args select 2;
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_bulletVelocity = velocity _bullet;
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_bulletSpeed = vectorMagnitude _bulletVelocity;
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if (!alive _bullet || _bulletSpeed < 100) exitwith {
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[_this select 1] call cba_fnc_removePerFrameHandler;
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};
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_deltaT = time - _time;
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_args set[2, time];
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if (vectorMagnitude ACE_wind > 0) 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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}, GVAR(simulationInterval), [_this select 0, _this select 1, time]] call CBA_fnc_addPerFrameHandler; |