return new RevoluteJoint(world.getPool(), (RevoluteJointDef) def); case WELD: return new WeldJoint(world.getPool(), (WeldJointDef) def); case FRICTION: return new FrictionJoint(world.getPool(), (FrictionJointDef) def);
return new RevoluteJoint(world.getPool(), (RevoluteJointDef) def); case WELD: return new WeldJoint(world.getPool(), (WeldJointDef) def); case FRICTION: return new FrictionJoint(world.getPool(), (FrictionJointDef) def);