/// <summary>
/// Call this if you want to establish collision that was previously disabled by
/// ContactFilter::ShouldCollide.
/// </summary>
public void Refilter()
{
if (Body == null)
{
return;
}
// Flag associated contacts for filtering.
ContactEdge edge = Body.ContactList;
while (edge != null)
{
Contact contact = edge.Contact;
Fixture fixtureA = contact.FixtureA;
Fixture fixtureB = contact.FixtureB;
if (fixtureA == this || fixtureB == this)
{
contact.SetFlagForFiltering();
}
edge = edge.Next;
}
World world = Body.World;
if (world == null)
{
return;
}
// Touch each proxy so that new pairs may be created
BroadPhase broadPhase = world.ContactManager.BroadPhase;
for (int i = 0; i < ProxyCount; ++i)
{
broadPhase.TouchProxy(Proxies[i].ProxyId);
}
}
