private void CalculateAndApplyVesselAeroProperties()
        {
            float atmDensity = (float)vessel.atmDensity;

            if (atmDensity <= 0)
            {
                MachNumber     = 0;
                ReynoldsNumber = 0;
                return;
            }

            MachNumber     = vessel.mach;
            ReynoldsNumber = FARAeroUtil.CalculateReynoldsNumber(vessel.atmDensity,
                                                                 Length,
                                                                 vessel.srfSpeed,
                                                                 MachNumber,
                                                                 FlightGlobals.getExternalTemperature((float)vessel
                                                                                                      .altitude,
                                                                                                      vessel.mainBody),
                                                                 vessel.mainBody.atmosphereAdiabaticIndex);
            float skinFrictionDragCoefficient = (float)FARAeroUtil.SkinFrictionDrag(ReynoldsNumber, MachNumber);

            float pseudoKnudsenNumber = (float)(MachNumber / (ReynoldsNumber + MachNumber));

            Vector3 frameVel = Krakensbane.GetFrameVelocityV3f();

            //start from the top and come down to improve performance if it needs to remove anything
            for (int i = _currentAeroModules.Count - 1; i >= 0; i--)
            {
                FARAeroPartModule m = _currentAeroModules[i];
                if (m != null && m.part != null && m.part.partTransform != null)
                {
                    m.UpdateVelocityAndAngVelocity(frameVel);
                }
                else
                {
                    _currentAeroModules.RemoveAt(i);
                }
            }

            foreach (FARAeroSection aeroSection in _currentAeroSections)
            {
                aeroSection.FlightCalculateAeroForces((float)MachNumber,
                                                      (float)(ReynoldsNumber / Length),
                                                      pseudoKnudsenNumber,
                                                      skinFrictionDragCoefficient);
            }

            _vesselIntakeRamDrag.ApplyIntakeRamDrag((float)MachNumber, vessel.srf_velocity.normalized);

            foreach (FARAeroPartModule m in _currentAeroModules)
            {
                m.ApplyForces();
            }
        }
Esempio n. 2
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        private void CalculateAndApplyVesselAeroProperties()
        {
            float atmDensity = (float)_vessel.atmDensity;

            if (atmDensity <= 0)
            {
                machNumber     = 0;
                reynoldsNumber = 0;
                return;
            }

            machNumber     = _vessel.mach;
            reynoldsNumber = FARAeroUtil.CalculateReynoldsNumber(_vessel.atmDensity, Length, _vessel.srfSpeed, machNumber, FlightGlobals.getExternalTemperature((float)_vessel.altitude, _vessel.mainBody), _vessel.mainBody.atmosphereAdiabaticIndex);
            float skinFrictionDragCoefficient = (float)FARAeroUtil.SkinFrictionDrag(reynoldsNumber, machNumber);

            Vector3 frameVel = Krakensbane.GetFrameVelocityV3f();

            if (_updateQueued)                                           //only happens if we have an voxelization scheduled, then we need to check for null
            {
                for (int i = _currentAeroModules.Count - 1; i >= 0; i--) //start from the top and come down to improve performance if it needs to remove anything
                {
                    FARAeroPartModule m = _currentAeroModules[i];
                    if (m != null)
                    {
                        m.UpdateVelocityAndAngVelocity(frameVel);
                    }
                    else
                    {
                        _currentAeroModules.RemoveAt(i);
                        i++;
                    }
                }
            }
            else                                                         //otherwise, we don't need to do Unity's expensive "is this part dead" null-check
            {
                for (int i = _currentAeroModules.Count - 1; i >= 0; i--) //start from the top and come down to improve performance if it needs to remove anything
                {
                    FARAeroPartModule m = _currentAeroModules[i];
                    m.UpdateVelocityAndAngVelocity(frameVel);
                }
            }

            for (int i = 0; i < _currentAeroSections.Count; i++)
            {
                _currentAeroSections[i].FlightCalculateAeroForces(atmDensity, (float)machNumber, (float)(reynoldsNumber / Length), skinFrictionDragCoefficient);
            }

            _vesselIntakeRamDrag.ApplyIntakeRamDrag((float)machNumber, _vessel.srf_velocity.normalized, (float)_vessel.dynamicPressurekPa);

            for (int i = 0; i < _currentAeroModules.Count; i++)
            {
                FARAeroPartModule m = _currentAeroModules[i];
                m.ApplyForces();
            }
        }
Esempio n. 3
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        private void CalculateAndApplyVesselAeroProperties()
        {
            float atmDensity = (float)_vessel.atmDensity;

            if (atmDensity <= 0)
            {
                machNumber     = 0;
                reynoldsNumber = 0;
                return;
            }

            machNumber     = _vessel.mach;
            reynoldsNumber = FARAeroUtil.CalculateReynoldsNumber(_vessel.atmDensity, Length, _vessel.srfSpeed, machNumber, FlightGlobals.getExternalTemperature((float)_vessel.altitude, _vessel.mainBody), _vessel.mainBody.atmosphereAdiabaticIndex);
            float skinFrictionDragCoefficient = (float)FARAeroUtil.SkinFrictionDrag(reynoldsNumber, machNumber);

            Vector3 frameVel = Krakensbane.GetFrameVelocityV3f();

            for (int i = 0; i < _currentAeroModules.Count; i++)
            {
                FARAeroPartModule m = _currentAeroModules[i];
                if (m != null)
                {
                    m.UpdateVelocityAndAngVelocity(frameVel);
                }
                else
                {
                    _currentAeroModules.RemoveAt(i);
                    i--;
                }
            }

            for (int i = 0; i < _currentAeroSections.Count; i++)
            {
                _currentAeroSections[i].FlightCalculateAeroForces(atmDensity, (float)machNumber, (float)(reynoldsNumber / Length), skinFrictionDragCoefficient);
            }

            _vesselIntakeRamDrag.ApplyIntakeRamDrag((float)machNumber, _vessel.srf_velocity.normalized, (float)_vessel.dynamicPressurekPa);

            for (int i = 0; i < _currentAeroModules.Count; i++)
            {
                FARAeroPartModule m = _currentAeroModules[i];
                if ((object)m != null)
                {
                    m.ApplyForces();
                }
            }
        }