|
public Create ( |
||
| body | ||
| def | ||
| return | void | |
// 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(World.Locked == false);
if (World.Locked == true)
{
return null;
}
// djm TODO from pool?
Fixture fixture = new Fixture();
fixture.Create(this, def);
if ((Flags & TypeFlags.Active) == TypeFlags.Active)
{
BroadPhase broadPhase = World.ContactManager.BroadPhase;
fixture.CreateProxies(broadPhase, Xf);
}
fixture.Next = FixtureList;
FixtureList = fixture;
++FixtureCount;
fixture.Body = this;
// Adjust mass properties if needed.
if (fixture.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.
World.Flags |= World.NEW_FIXTURE;
return fixture;
}