diff options
Diffstat (limited to 'src/vehicles/Vehicle.cpp')
| -rw-r--r-- | src/vehicles/Vehicle.cpp | 129 |
1 files changed, 126 insertions, 3 deletions
diff --git a/src/vehicles/Vehicle.cpp b/src/vehicles/Vehicle.cpp index 57c5f3af..7de8bb21 100644 --- a/src/vehicles/Vehicle.cpp +++ b/src/vehicles/Vehicle.cpp @@ -185,6 +185,35 @@ CVehicle::GetHeightAboveRoad(void) return -1.0f * GetColModel()->boundingBox.min.z; } +const float fRCPropFallOff = 3.0f; +const float fRCAeroThrust = 0.003f; +const float fRCSideSlipMult = 0.1f; +const float fRCRudderMult = 0.2f; +const float fRCYawMult = -0.01f; +const float fRCRollMult = 0.02f; +const float fRCRollStabilise = -0.08f; +const float fRCPitchMult = 0.005f; +const float fRCTailMult = 0.3f; +const float fRCFormLiftMult = 0.02f; +const float fRCAttackLiftMult = 0.25f; +const CVector vecRCAeroResistance(0.998f, 0.998f, 0.9f); + +const float fSeaPropFallOff = 2.3f; +const float fSeaThrust = 0.002f; +const float fSeaSideSlipMult = 0.1f; +const float fSeaRudderMult = 0.01f; +const float fSeaYawMult = 0.0003f; +const float fSeaRollMult = 0.0015f; +const float fSeaRollStabilise = -0.01f; +const float fSeaPitchMult = 0.0002f; +const float fSeaTailMult = 0.01f; +const float fSeaFormLiftMult = 0.012f; +const float fSeaAttackLiftMult = 0.1f; +const CVector vecSeaAeroResistance(0.995f, 0.995f, 0.85f); + +const float fSpeedResistanceY = 500.0f; +const float fSpeedResistanceZ = 500.0f; + void CVehicle::FlyingControl(eFlightModel flightModel) { @@ -229,18 +258,112 @@ CVehicle::FlyingControl(eFlightModel flightModel) m_vecTurnSpeed.y *= Pow(0.9f, CTimer::GetTimeStep()); moveSpeed = m_vecMoveSpeed.MagnitudeSqr(); - if(moveSpeed > 2.25f) + if(moveSpeed > SQR(1.5f)) m_vecMoveSpeed *= 1.5f/Sqrt(moveSpeed); float turnSpeed = m_vecTurnSpeed.MagnitudeSqr(); - if(turnSpeed > 0.04f) + if(turnSpeed > SQR(0.2f)) m_vecTurnSpeed *= 0.2f/Sqrt(turnSpeed); } break; case FLIGHT_MODEL_RCPLANE: case FLIGHT_MODEL_SEAPLANE: - assert(0 && "Plane flight model not implemented"); + { + // thrust + float fForwSpeed = DotProduct(GetMoveSpeed(), GetForward()); + CVector vecWidthForward = GetColModel()->boundingBox.min.y * GetForward(); + float fThrust = (CPad::GetPad(0)->GetAccelerate() - CPad::GetPad(0)->GetBrake()) / 255.0f; + if (fForwSpeed > 0.1f || (flightModel == FLIGHT_MODEL_RCPLANE && fForwSpeed > 0.02f)) + fThrust += 1.0f; + else if (fForwSpeed > 0.0f && fThrust < 0.0f) + fThrust = 0.0f; + float fThrustImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fThrustImpulse = (fThrust - fRCPropFallOff * fForwSpeed) * fRCAeroThrust; + else + fThrustImpulse = (fThrust - fSeaPropFallOff * fForwSpeed) * fSeaThrust; + ApplyMoveForce(fThrustImpulse * GetForward() * m_fMass * CTimer::GetTimeStep()); + + // left/right + float fSideSpeed = -DotProduct(GetMoveSpeed(), GetRight()); + float fSteerLR = CPad::GetPad(0)->GetSteeringLeftRight() / 128.0f; + float fSideSlipImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fSideSlipImpulse = Abs(fSideSpeed) * fSideSpeed * fRCSideSlipMult; + else + fSideSlipImpulse = Abs(fSideSpeed) * fSideSpeed * fSeaSideSlipMult; + ApplyMoveForce(m_fMass * GetRight() * fSideSlipImpulse * CTimer::GetTimeStep()); + + float fYaw = -DotProduct(CrossProduct(m_vecTurnSpeed + m_vecTurnFriction, vecWidthForward) + m_vecMoveSpeed + m_vecMoveFriction, GetRight()); + float fYawImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fYawImpulse = fRCRudderMult * fYaw * Abs(fYaw) + fRCYawMult * fSteerLR * fForwSpeed; + else + fYawImpulse = fSeaRudderMult * fYaw * Abs(fYaw) + fSeaYawMult * fSteerLR * fForwSpeed; + ApplyTurnForce(fYawImpulse * GetRight() * m_fTurnMass * CTimer::GetTimeStep(), vecWidthForward); + + float fRollImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) { + float fDirectionMultiplier = CPad::GetPad(0)->GetLookRight(); + if (CPad::GetPad(0)->GetLookLeft()) + fDirectionMultiplier = -1; + fRollImpulse = (0.5f * fDirectionMultiplier + fSteerLR) * fRCRollMult; + } + else + fRollImpulse = fSteerLR * fSeaRollMult; + ApplyTurnForce(GetRight() * fRollImpulse * fForwSpeed * m_fTurnMass * CTimer::GetTimeStep(), GetUp()); + + CVector vecFRight = CrossProduct(GetForward(), CVector(0.0f, 0.0f, 1.0f)); + CVector vecStabilise = (GetUp().z > 0.0f) ? vecFRight : -vecFRight; + float fStabiliseDirection = (GetUp().z > 0.0f) ? -1.0f : 1.0f; + float fStabiliseImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fStabiliseImpulse = fRCRollStabilise * fStabiliseDirection * (1.0f - DotProduct(GetRight(), vecStabilise)) * (1.0f - Abs(GetForward().z)); + else + fStabiliseImpulse = fSeaRollStabilise * fStabiliseDirection * (1.0f - DotProduct(GetRight(), vecStabilise)) * (1.0f - Abs(GetForward().z)); + ApplyTurnForce(fStabiliseImpulse * m_fTurnMass * GetRight(), GetUp()); // no CTimer::GetTimeStep(), is it right? VC doesn't have it too + + // up/down + float fTail = -DotProduct(CrossProduct(m_vecTurnSpeed + m_vecTurnFriction, vecWidthForward) + m_vecMoveSpeed + m_vecMoveFriction, GetUp()); + float fSteerUD = -CPad::GetPad(0)->GetSteeringUpDown() / 128.0f; + float fPitchImpulse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fPitchImpulse = fRCTailMult * fTail * Abs(fTail) + fRCPitchMult * fSteerUD * fForwSpeed; + else + fPitchImpulse = fSeaTailMult * fTail * Abs(fTail) + fSeaPitchMult * fSteerUD * fForwSpeed; + ApplyTurnForce(fPitchImpulse* m_fTurnMass* GetRight()* CTimer::GetTimeStep(), vecWidthForward); + + float fLift = -DotProduct(GetMoveSpeed(), GetUp()) / Max(0.01f, GetMoveSpeed().Magnitude()); + float fLiftImpluse; + if (flightModel == FLIGHT_MODEL_RCPLANE) + fLiftImpluse = (fRCAttackLiftMult * fLift + fRCFormLiftMult) * fForwSpeed * fForwSpeed; + else + fLiftImpluse = fSeaAttackLiftMult * fLift + fSeaFormLiftMult * fForwSpeed * fForwSpeed; + float fLiftForce = fLiftImpluse * m_fMass * CTimer::GetTimeStep(); + if (GRAVITY * CTimer::GetTimeStep() * m_fMass < fLiftImpluse) { + if (flightModel == FLIGHT_MODEL_RCPLANE && GetPosition().z > 50.0f) + fLiftForce = CTimer::GetTimeStep() * 0.0072 * m_fMass; + else if (flightModel == FLIGHT_MODEL_SEAPLANE && GetPosition().z > 80.0f) + fLiftForce = CTimer::GetTimeStep() * 0.0072 * m_fMass; + } + ApplyMoveForce(fLiftForce * GetUp()); + CVector vecResistance; + if (flightModel == FLIGHT_MODEL_RCPLANE) + vecResistance = vecRCAeroResistance; + else + vecResistance = vecSeaAeroResistance; + float rX = Pow(vecResistance.x, CTimer::GetTimeStep()); + float rY = Pow(vecResistance.y, CTimer::GetTimeStep()); + float rZ = Pow(vecResistance.z, CTimer::GetTimeStep()); + CVector vecTurnSpeed = Multiply3x3(m_vecTurnSpeed, GetMatrix()); + vecTurnSpeed.x *= rX; + float fResistance = vecTurnSpeed.y * (1.0f / (fSpeedResistanceY * SQR(vecTurnSpeed.y) + 1.0f)) * rY - vecTurnSpeed.y; + vecTurnSpeed.z *= rZ; + m_vecTurnSpeed = Multiply3x3(GetMatrix(), vecTurnSpeed); + ApplyTurnForce(-GetUp() * fResistance * m_fTurnMass, GetRight() + Multiply3x3(GetMatrix(), m_vecCentreOfMass)); + break; + } case FLIGHT_MODEL_HELI: assert(0 && "Heli flight model not implemented"); } |