return new PrismaticJoint(world.getPool(), (PrismaticJointDef) def); case REVOLUTE: return new RevoluteJoint(world.getPool(), (RevoluteJointDef) def); case WELD: return new WeldJoint(world.getPool(), (WeldJointDef) def);
return new PrismaticJoint(world.getPool(), (PrismaticJointDef) def); case REVOLUTE: return new RevoluteJoint(world.getPool(), (RevoluteJointDef) def); case WELD: return new WeldJoint(world.getPool(), (WeldJointDef) def);