// TODO djm: check out about this new fixture here
/// <summary>
/// Creates a fixture and attach it to this body. Use this function if you need to set some fixture
/// parameters, like friction. Otherwise you can create the fixture directly from a shape. If the
/// density is non-zero, this function automatically updates the mass of the body. Contacts are not
/// created until the next time step.
/// </summary>
/// <param name="def">the fixture definition.</param>
/// <warning>This function is locked during callbacks.</warning>
public Fixture createFixture(FixtureDef def)
{
Debug.Assert(m_world.Locked == false);
if (m_world.Locked == true)
{
return null;
}
// djm TODO from pool?
Fixture fixture = new Fixture();
fixture.create(this, def);
if ((m_flags & e_activeFlag) == e_activeFlag)
{
BroadPhase broadPhase = m_world.m_contactManager.m_broadPhase;
fixture.createProxies(broadPhase, m_xf);
}
fixture.m_next = m_fixtureList;
m_fixtureList = fixture;
++m_fixtureCount;
fixture.m_body = this;
// Adjust mass properties if needed.
if (fixture.m_density > 0.0f)
{
resetMassData();
}
// Let the world know we have a new fixture. This will cause new contacts
// to be created at the beginning of the next time step.
m_world.m_flags |= World.NEW_FIXTURE;
return fixture;
}
