/// <summary>
/// Destroy a fixture. This removes the fixture from the broad-phase and
/// destroys all contacts associated with this fixture. This will
/// automatically adjust the mass of the body if the body is dynamic and the
/// fixture has positive density.
/// All fixtures attached to a body are implicitly destroyed when the body is destroyed.
/// Warning: This function is locked during callbacks.
/// </summary>
/// <param name="fixture">The fixture to be removed.</param>
public void destroyFixture(Fixture fixture)
{
Debug.Assert(fixture.body == this);
// Remove the fixture from this body's singly linked list.
Debug.Assert(fixtureList.Count > 0);
// You tried to remove a fixture that not present in the fixturelist.
Debug.Assert(fixtureList.Contains(fixture));
// Destroy any contacts associated with the fixture.
ContactEdge edge = contactList;
while (edge != null)
{
Contact c = edge.contact;
edge = edge.next;
Fixture fixtureA = c.fixtureA;
Fixture fixtureB = c.fixtureB;
if (fixture == fixtureA || fixture == fixtureB)
{
// This destroys the contact and removes it from
// this body's contact list.
_world.contactManager.destroy(c);
}
}
if (_enabled)
{
IBroadPhase broadPhase = _world.contactManager.broadPhase;
fixture.destroyProxies(broadPhase);
}
fixtureList.Remove(fixture);
fixture.destroy();
fixture.body = null;
resetMassData();
}
/// <summary>
/// Destroy a fixture. This removes the fixture from the broad-phase and
/// destroys all contacts associated with this fixture. This will
/// automatically adjust the mass of the body if the body is dynamic and the
/// fixture has positive density.
/// All fixtures attached to a body are implicitly destroyed when the body is destroyed.
/// Warning: This function is locked during callbacks.
/// </summary>
/// <param name="fixture">The fixture to be removed.</param>
public void destroyFixture( Fixture fixture )
{
Debug.Assert( fixture.body == this );
// Remove the fixture from this body's singly linked list.
Debug.Assert( fixtureList.Count > 0 );
// You tried to remove a fixture that not present in the fixturelist.
Debug.Assert( fixtureList.Contains( fixture ) );
// Destroy any contacts associated with the fixture.
ContactEdge edge = contactList;
while( edge != null )
{
Contact c = edge.contact;
edge = edge.next;
Fixture fixtureA = c.fixtureA;
Fixture fixtureB = c.fixtureB;
if( fixture == fixtureA || fixture == fixtureB )
{
// This destroys the contact and removes it from
// this body's contact list.
_world.contactManager.destroy( c );
}
}
if( _enabled )
{
IBroadPhase broadPhase = _world.contactManager.broadPhase;
fixture.destroyProxies( broadPhase );
}
fixtureList.Remove( fixture );
fixture.destroy();
fixture.body = null;
resetMassData();
}
