public bool AddConstraint(BSConstraint cons)
{
lock (m_constraints)
{
// There is only one constraint between any bodies. Remove any old just to make sure.
RemoveAndDestroyConstraint(cons.Body1, cons.Body2);
m_constraints.Add(cons);
}
return true;
}
// Get the constraint between two bodies. There can be only one.
// Return 'true' if a constraint was found.
public bool TryGetConstraint(BulletBody body1, BulletBody body2, out BSConstraint returnConstraint)
{
bool found = false;
BSConstraint foundConstraint = null;
uint lookingID1 = body1.ID;
uint lookingID2 = body2.ID;
lock (m_constraints)
{
foreach (BSConstraint constrain in m_constraints)
{
if ((constrain.Body1.ID == lookingID1 && constrain.Body2.ID == lookingID2)
|| (constrain.Body1.ID == lookingID2 && constrain.Body2.ID == lookingID1))
{
foundConstraint = constrain;
found = true;
break;
}
}
}
returnConstraint = foundConstraint;
return found;
}
// The constraint MUST exist in the collection
// Could be called if the constraint was previously removed.
// Return 'true' if the constraint was actually removed and disposed.
public bool RemoveAndDestroyConstraint(BSConstraint constrain)
{
bool removed = false;
lock (m_constraints)
{
// remove the constraint from our collection
removed = m_constraints.Remove(constrain);
}
// Dispose() is safe to call multiple times
constrain.Dispose();
return removed;
}
