/// 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.
/// @param def the fixture definition.
/// @warning This function is locked during callbacks.
public Fixture CreateFixture(FixtureDef def){
Utilities.Assert(m_world.IsLocked() == false);
if (m_world.IsLocked() == true)
{
return null;
}
Fixture fixture = new Fixture();
fixture.Create(this, def);
if (m_flags.HasFlag(BodyFlags.e_activeFlag))
{
BroadPhase broadPhase = m_world.m_contactManager.m_broadPhase;
fixture.CreateProxies(broadPhase, m_xf);
}
m_fixtureList.Add(fixture);
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 |= WorldFlags.e_newFixture;
return fixture;
}
