int pVehicle::getGear()
{
if (isValidEngine())
{
return GetGearBox()->GetGear();
}
}
void CustomVehicleControllerComponentEngine::Update (dFloat timestep)
{
CustomVehicleControllerBodyStateChassis& chassis = m_controller->m_chassisState;
CustomVehicleControllerComponentEngine::dGearBox* const gearBox = GetGearBox();
gearBox->Update (timestep);
int gear = gearBox->GetGear();
#ifdef __TEST_VEHICLE_XXX__
if (gear > (CustomVehicleControllerComponentEngine::dGearBox::m_firstGear))
{
gearBox->SetGear (CustomVehicleControllerComponentEngine::dGearBox::m_firstGear);
// gearBox->SetGear (CustomVehicleControllerComponentEngine::dGearBox::m_reverseGear);
gear = gearBox->GetGear();
}
#endif
if (m_engineSwitch) {
if (gear == CustomVehicleControllerComponentEngine::dGearBox::m_newtralGear) {
dFloat param = dMax (GetParam(), 0.05f);
m_engineToque = GetTorque (m_engineRPS) * param - m_engineIdleResistance1 * m_engineRPS - m_engineIdleResistance2 * m_engineRPS * m_engineRPS;
dFloat alpha = m_engineIdleInvInertia * m_engineToque;
m_engineRPS = dMin (dMax (m_engineRPS + alpha * timestep, 0.0f), m_radiansPerSecundsAtRedLine);
} else {
dFloat gearRatio = gearBox->GetGearRatio(gear);
dFloat shaftOmega = m_differencial->GetShaftOmega();
m_engineRPS = shaftOmega * gearRatio;
dFloat torqueResistance = - m_engineInternalFriction * m_engineRPS;
dFloat param = GetParam();
dFloat nominalTorque = -GetTorque (dMax (-m_engineRPS, 0.0f)) * param;
dFloat engineTorque = nominalTorque + torqueResistance;
m_engineToque = m_engineToque + (engineTorque - m_engineToque) * timestep / m_clutchTorqueCouplingTime;
dFloat shaftTorque = m_engineToque * gearRatio;
m_differencial->ApplyTireTorque(shaftTorque, shaftOmega);
}
} else {
m_engineRPS = m_engineRPS * 0.95f;
if (m_engineRPS < 0.001f) {
m_engineRPS = 0.0f;
}
m_engineToque = 0.0f;
}
dVector front (chassis.m_matrix.RotateVector(chassis.m_localFrame[0]));
m_speedMPS = chassis.m_veloc % front;
}
