// If a hover motor has not been created, create one and start the hovering.
private void ActivateHover()
{
if (m_hoverMotor == null)
{
// Turning the target on
m_hoverMotor = new BSFMotor("BSActorHover",
m_controllingPrim.HoverTau, // timeScale
BSMotor.Infinite, // decay time scale
1f // efficiency
);
m_hoverMotor.SetTarget(ComputeCurrentHoverHeight());
m_hoverMotor.SetCurrent(m_controllingPrim.RawPosition.Z);
m_hoverMotor.PhysicsScene = m_physicsScene; // DEBUG DEBUG so motor will output detail log messages.
m_physicsScene.BeforeStep += Hoverer;
}
}
// Called just before the simulation step. Update the vertical position for hoverness.
private void Hoverer(float timeStep)
{
// Don't do hovering while the object is selected.
if (!isActive)
{
return;
}
m_hoverMotor.SetCurrent(m_controllingPrim.RawPosition.Z);
m_hoverMotor.SetTarget(ComputeCurrentHoverHeight());
float targetHeight = m_hoverMotor.Step(timeStep);
// 'targetHeight' is where we'd like the Z of the prim to be at this moment.
// Compute the amount of force to push us there.
float moveForce = (targetHeight - m_controllingPrim.RawPosition.Z) * m_controllingPrim.RawMass;
// Undo anything the object thinks it's doing at the moment
moveForce = -m_controllingPrim.RawVelocity.Z * m_controllingPrim.Mass;
m_physicsScene.PE.ApplyCentralImpulse(m_controllingPrim.PhysBody, new OMV.Vector3(0f, 0f, moveForce));
m_physicsScene.DetailLog("{0},BSPrim.Hover,move,targHt={1},moveForce={2},mass={3}",
m_controllingPrim.LocalID, targetHeight, moveForce, m_controllingPrim.RawMass);
}
// If a hover motor has not been created, create one and start the hovering.
private void ActivateHover()
{
if (m_hoverMotor == null)
{
// Turning the target on
m_hoverMotor = new BSFMotor("BSActorHover",
m_controllingPrim.HoverTau, // timeScale
BSMotor.Infinite, // decay time scale
1f // efficiency
);
m_hoverMotor.SetTarget(ComputeCurrentHoverHeight());
m_hoverMotor.SetCurrent(m_controllingPrim.RawPosition.Z);
m_hoverMotor.PhysicsScene = m_physicsScene; // DEBUG DEBUG so motor will output detail log messages.
m_physicsScene.BeforeStep += Hoverer;
}
}