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tweak JDAM guidance

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This commit is contained in:
Brandon Danyluk 2021-04-20 11:10:29 -06:00
parent 12bcb95e93
commit 438cb8b90f
3 changed files with 33 additions and 14 deletions
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38
addons/missileguidance/functions/fnc_attackProfile_JDAM.sqf
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@ -17,10 +17,10 @@
*
* Public: No
*/
params ["_seekerTargetPos", "_args", "_attackProfileStateParams"];
params ["_seekerTargetPos", "_args", "_attackProfileStateParams", "_timestep"];
_args params ["_firedEH", "", "_flightParams", "", "", "_targetData"];
_firedEH params ["_shooter","","","","","","_projectile"];
_attackProfileStateParams params ["_gpsData", "_initialProjectileHeight", "_terminal"];
_attackProfileStateParams params ["_gpsData", "_initialProjectileHeight", "_terminal", "_lastAngleToTarget"];
_gpsData params ["", "_impactAngle", "_attackDirection"];
_targetData params ["_directionToTarget", "", "_distanceToTarget"];
_flightParams params ["_pitchRate", "_yawRate"];
@ -35,23 +35,43 @@ if (_attackDirection < 0) then {
private _targetPos = _seekerTargetPos;
if !(_terminal) then {
_targetPos set [2, (_seekerTargetPos select 2) + 500];
private _timeToGo = ((getPosASL _projectile) distance _targetPos) / vectorMagnitude velocity _projectile;
_targetPos = [
_targetPos#0,
_targetPos#1,
(_seekerTargetPos select 2) + 500
];
private _pitchTime = 0.5 * _pitchRate * _timeToGo;
private _projectilePos = getPosASLVisual _projectile;
private _timeToGo = (_projectilePos distance _targetPos) / vectorMagnitude velocity _projectile;
private _atMinRotationAngle = _pitchTime <= _impactAngle;
private _currentPitchTowardTarget = ((_projectilePos vectorFromTo _seekerTargetPos) call CBA_fnc_vect2polar) select 2;
private _closingRate = if (_timestep != 0) then {
(_currentPitchTowardTarget - _lastAngleToTarget) / _timestep;
} else {
0
};
_attackProfileStateParams set [3, _currentPitchTowardTarget];
private _pitchTime = _pitchRate * _timeToGo;
private _projectileElevation = ((vectorDir _projectile) call CBA_fnc_vect2polar) select 2;
private _neededPitch = (_impactAngle + _projectileElevation + _closingRate);
private _pitchOverETA = _timeToGo - ((_impactAngle + _projectileElevation) / _pitchRate);
// TODO: look into PID controller and custom navigation type to ride the line? Same as SACLOS really
private _atMinRotationAngle = _pitchTime <= _neededPitch;
_attackProfileStateParams set [2, _atMinRotationAngle];
if (GVAR(debug_drawGuidanceInfo)) then {
_attackProfileName = format ["JDAM [%1]", _pitchTime];
_attackProfileName = format ["JDAM [Pitch Available - %1 Needed Pitch - %2 ETP - %3]", _pitchTime, _neededPitch, _pitchOverETA];
};
};
if (GVAR(debug_drawGuidanceInfo)) then {
private _desiredAngle = [5000, 180 + _attackDirection, _impactAngle] call CBA_fnc_polar2vect;
private _projectilePosAGL = ASLtoAGL _seekerTargetPos;
drawLine3D [_projectilePosAGL, _projectilePosAGL vectorAdd _desiredAngle, [1, 0, 0, 1]];
private _targetPosAGL = ASLtoAGL _seekerTargetPos;
drawLine3D [_targetPosAGL, _targetPosAGL vectorAdd _desiredAngle, [1, 1, 1, 1]];
};
_targetPos;

1
addons/missileguidance/functions/fnc_gps_attackOnFired.sqf
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@ -21,3 +21,4 @@ _firedEH params ["_shooter","","","","_ammo","","_projectile"];
_attackProfileStateParams set [0, [] call FUNC(gps_getAttackData)];
_attackProfileStateParams set [1, (getPosASL _projectile) select 2];
_attackProfileStateParams set [2, false];
_attackProfileStateParams set [3, 0];

8
addons/missileguidance/functions/fnc_guidancePFH.sqf
View File

@ -70,7 +70,7 @@ if ((_pitchRate != 0 || {_yawRate != 0}) && {_profileAdjustedTargetPos isNotEqua
if (GVAR(debug_drawGuidanceInfo)) then {
private _projectilePosAGL = ASLToAGL _projectilePos;
drawIcon3D ["\a3\ui_f\data\IGUI\Cfg\Cursors\selectover_ca.paa", [1,0,0,1], _projectilePosAGL vectorAdd [0, 0, 1], 0.75, 0.75, 0, str _commandedAcceleration, 1, 0.025, "TahomaB"];
drawIcon3D ["\a3\ui_f\data\IGUI\Cfg\Cursors\selectover_ca.paa", [1,0,0,1], _projectilePosAGL vectorAdd [0, 0, 1], 0.75, 0.75, 0, format ["cmdPitch: %1 cmdYaw %2", _commandedAcceleration#2, _commandedAcceleration#0], 1, 0.025, "TahomaB"];
drawIcon3D ["\a3\ui_f\data\IGUI\Cfg\Cursors\selectover_ca.paa", [1,1,0,1], _projectilePosAGL vectorAdd [0, 0, 2], 0.75, 0.75, 0, _navigationType, 1, 0.025, "TahomaB"];
drawLine3D [_projectilePosAGL, _projectilePosAGL vectorAdd _commandedAcceleration, [1, 0, 1, 1]];
};
@ -104,8 +104,8 @@ if ((_pitchRate != 0 || {_yawRate != 0}) && {_profileAdjustedTargetPos isNotEqua
} else {
_clampedYaw / abs _clampedYaw
};
_clampedPitch = _pitchSign * 50;
_clampedYaw = _yawSign * 50;
_clampedPitch = _pitchSign * _pitchRate;
_clampedYaw = _yawSign * _yawRate;
};
TRACE_9("pitch/yaw/roll",_pitch,_yaw,_roll,_yawChange,_pitchChange,_pitchRate,_yawRate,_clampedPitch,_clampedYaw);
@ -163,8 +163,6 @@ if ((_pitchRate != 0 || {_yawRate != 0}) && {_profileAdjustedTargetPos isNotEqua
_projectile setVectorDirAndUp [_dir, _up];
systemChat str [_pitch, _yaw];
//[_projectile, _pitch, _yaw, 0] call FUNC(changeMissileDirection);
_guidanceParameters set [0, _yaw];