public void SetStatic()
{
if (_type == BodyType.Static)
return;
_mass = 0.0f;
_invMass = 0.0f;
_I = 0.0f;
_invI = 0.0f;
_type = BodyType.Static;
for (Fixture f = _fixtureList; f != null; f = f.Next)
{
f.RefilterProxy(_world._broadPhase, _xf);
}
}