public void Activate()
{
//If we're trying to activate, always set the deactivation candidacy to false. This resets the timer if necessary.
IsDeactivationCandidate = false;
var currentSimulationIsland = SimulationIsland;
if (currentSimulationIsland != null)
{
//We can force-activate an island.
//Note that this does nothing for objects not in a space
//or kinematic objects that don't have an island.
//"Activating" a kinematic object is meaningless- their activity state
//is entirely defined by their velocity.
currentSimulationIsland.IsActive = true;
}
else
{
//"Wake up" the kinematic entity.
//The time is used as a flag. If time <= 0, that means the object will be considered active until the subsequent update.
velocityTimeBelowLimit = -1;
}
}
/// <summary>
/// Removes the member from this island.
/// </summary>
/// <param name="simulationIslandMember">Removes the member from the manager.</param>
public void Remove(SimulationIslandMember simulationIslandMember)
{
if (simulationIslandMember.DeactivationManager == this)
{
if (simulationIslandMember.IsDynamic)
{
simulationIslandMember.Activate();
}
else
{
//If the object was NOT dynamic, then simply calling activate will be insufficient
//because it does not share any simulation island with connected objects.
//We need to notify its connections directly.
foreach (var connection in simulationIslandMember.connections)
{
foreach (var entry in connection.entries)
{
if (entry.Member != simulationIslandMember)
{
entry.Member.Activate();
}
}
}
}
simulationIslandMember.DeactivationManager = null;
simulationIslandMembers.Remove(simulationIslandMember);
RemoveSimulationIslandFromMember(simulationIslandMember);
}
else
{
throw new Exception("Cannot remove that member from this DeactivationManager; it belongs to a different or no manager.");
}
}
