diff --git a/addons/missileguidance/functions/fnc_attackProfile_JDAM.sqf b/addons/missileguidance/functions/fnc_attackProfile_JDAM.sqf index 8f5176d360..e49432ad5e 100644 --- a/addons/missileguidance/functions/fnc_attackProfile_JDAM.sqf +++ b/addons/missileguidance/functions/fnc_attackProfile_JDAM.sqf @@ -20,7 +20,7 @@ params ["_seekerTargetPos", "_args", "_attackProfileStateParams", "_timestep"]; _args params ["_firedEH", "", "_flightParams", "", "", "_targetData"]; _firedEH params ["_shooter","","","","","","_projectile"]; -_attackProfileStateParams params ["_gpsData", "_initialProjectileHeight", "_terminal", "_lastAngleToTarget"]; +_attackProfileStateParams params ["_gpsData", "_initialProjectileHeight", "_terminal"]; _gpsData params ["", "_impactAngle", "_attackDirection"]; _targetData params ["_directionToTarget", "", "_distanceToTarget"]; _flightParams params ["_pitchRate", "_yawRate"]; @@ -33,6 +33,10 @@ if (_attackDirection < 0) then { _attackDirection = direction _projectile; }; +private _projectilePos = getPosASLVisual _projectile; +private _projectilePitch = ((vectorDir _projectile) call CBA_fnc_vect2polar) select 2; +private _targetDir = _projectilePos vectorFromTo _seekerTargetPos; + private _targetPos = _seekerTargetPos; if !(_terminal) then { _targetPos = [ @@ -40,32 +44,29 @@ if !(_terminal) then { _targetPos#1, (_seekerTargetPos select 2) + 500 ]; + + private _lineDir = [1, 180 + _attackDirection, _impactAngle] call CBA_fnc_polar2vect; - private _projectilePos = getPosASLVisual _projectile; - private _timeToGo = (_projectilePos distance _targetPos) / vectorMagnitude velocity _projectile; + private _v = _projectilePos vectorDiff _seekerTargetPos; + private _d = _v vectorDotProduct _lineDir; + private _closestPoint = _seekerTargetPos vectorAdd (_lineDir vectorMultiply _d); - 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 _timeToGo = (_projectilePos distance _closestPoint) / vectorMagnitude velocity _projectile; - private _pitchTime = _pitchRate * _timeToGo; + private _projectileAngleFromTarget = acos ((vectorDir _projectile) vectorCos _targetDir); + private _availablePitch = _pitchRate * _timeToGo; - private _projectileElevation = ((vectorDir _projectile) call CBA_fnc_vect2polar) select 2; - private _neededPitch = (_impactAngle + _projectileElevation + _closingRate); - private _pitchOverETA = _timeToGo - ((_impactAngle + _projectileElevation) / _pitchRate); + private _neededPitch = _impactAngle + _projectilePitch; - // 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]; + private _atMinRotationAngle = _availablePitch <= _neededPitch; + _attackProfileStateParams set [2, (_atMinRotationAngle || (_neededPitch <= _projectileAngleFromTarget))]; if (GVAR(debug_drawGuidanceInfo)) then { - _attackProfileName = format ["JDAM [Pitch Available - %1 Needed Pitch - %2 ETP - %3]", _pitchTime, _neededPitch, _pitchOverETA]; + _attackProfileName = format ["JDAM [Pitch Available - %1 Needed Pitch - %2 TTP - %3]", _availablePitch, _neededPitch, (_availablePitch - _neededPitch) / _pitchRate]; + drawIcon3D ["\a3\ui_f\data\IGUI\Cfg\Cursors\selectover_ca.paa", [1,0,0,1], ASLtoAGL _closestPoint, 0.75, 0.75, 0, "P", 1, 0.025, "TahomaB"]; }; +} else { + _attackProfileName = format ["JDAM [Pitch - %1 Impact Pitch - %2]", _projectilePitch, _impactAngle]; }; if (GVAR(debug_drawGuidanceInfo)) then { diff --git a/addons/missileguidance/functions/fnc_gps_attackOnFired.sqf b/addons/missileguidance/functions/fnc_gps_attackOnFired.sqf index fc1af427c6..fd633c324d 100644 --- a/addons/missileguidance/functions/fnc_gps_attackOnFired.sqf +++ b/addons/missileguidance/functions/fnc_gps_attackOnFired.sqf @@ -21,4 +21,3 @@ _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];