internal void Destroy(Contact contact)
{
Fixture fixtureA = contact.FixtureA;
Fixture fixtureB = contact.FixtureB;
Body bodyA = fixtureA.Body;
Body bodyB = fixtureB.Body;
if (contact.IsTouching)
{
//Report the separation to both participants:
fixtureA?.RaiseOnSeparation(fixtureA, fixtureB);
//Reverse the order of the reported fixtures. The first fixture is always the one that the
//user subscribed to.
fixtureB?.RaiseOnSeparation(fixtureB, fixtureA);
if (EndContact != null)
{
EndContact(contact);
}
}
// Remove from the world.
ContactList.Remove(contact);
// Remove from body 1
if (contact._nodeA.Prev != null)
{
contact._nodeA.Prev.Next = contact._nodeA.Next;
}
if (contact._nodeA.Next != null)
{
contact._nodeA.Next.Prev = contact._nodeA.Prev;
}
if (contact._nodeA == bodyA.ContactList)
{
bodyA.ContactList = contact._nodeA.Next;
}
// Remove from body 2
if (contact._nodeB.Prev != null)
{
contact._nodeB.Prev.Next = contact._nodeB.Next;
}
if (contact._nodeB.Next != null)
{
contact._nodeB.Next.Prev = contact._nodeB.Prev;
}
if (contact._nodeB == bodyB.ContactList)
{
bodyB.ContactList = contact._nodeB.Next;
}
#if USE_ACTIVE_CONTACT_SET
if (ActiveContacts.Contains(contact))
{
ActiveContacts.Remove(contact);
}
#endif
contact.Destroy();
}