mirror of
https://github.com/acemod/ACE3.git
synced 2024-08-30 18:23:18 +00:00
50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
/*
|
|
* Author: Glowbal, Ruthberg
|
|
* Handles wind deflection for projectiles.
|
|
*
|
|
* Arguments:
|
|
* 0: bullet - Object the event handler is assigned to <OBJECT>
|
|
* 1: airFriction - air friction of the bullet <NUMBER>
|
|
*
|
|
* Return Value:
|
|
* Nothing
|
|
*
|
|
* Example:
|
|
*
|
|
* Public: No
|
|
*/
|
|
#include "script_component.hpp"
|
|
|
|
[{
|
|
private ["_args", "_bullet", "_airFriction", "_time", "_deltaT", "_bulletVelocity", "_bulletSpeed", "_trueVelocity", "_trueSpeed", "_dragRef", "_drag", "_accelRef", "_accel"];
|
|
|
|
_args = _this select 0;
|
|
_bullet = _args select 0;
|
|
_airFriction = _args select 1;
|
|
_time = _args select 2;
|
|
|
|
_bulletVelocity = velocity _bullet;
|
|
_bulletSpeed = vectorMagnitude _bulletVelocity;
|
|
|
|
if (!alive _bullet || ((_bullet isKindOf "BulletBase") && _bulletSpeed < 100)) exitwith {
|
|
[_this select 1] call cba_fnc_removePerFrameHandler;
|
|
};
|
|
|
|
_deltaT = ACE_time - _time;
|
|
_args set[2, ACE_time];
|
|
|
|
if (vectorMagnitude ACE_wind > 0) then {
|
|
_trueVelocity = _bulletVelocity vectorDiff ACE_wind;
|
|
_trueSpeed = vectorMagnitude _trueVelocity;
|
|
|
|
_dragRef = _deltaT * _airFriction * _bulletSpeed * _bulletSpeed;
|
|
_accelRef = (vectorNormalized _bulletVelocity) vectorMultiply (_dragRef);
|
|
_bulletVelocity = _bulletVelocity vectorDiff _accelRef;
|
|
|
|
_drag = _deltaT * _airFriction * _trueSpeed;
|
|
_accel = _trueVelocity vectorMultiply (_drag);
|
|
_bulletVelocity = _bulletVelocity vectorAdd _accel;
|
|
};
|
|
_bullet setVelocity _bulletVelocity;
|
|
|
|
}, GVAR(simulationInterval), [_this select 0, _this select 1, ACE_time]] call CBA_fnc_addPerFrameHandler; |