Method removeAllShapes

core/physics/PhysicsBody.cpp:729–755

}

void PhysicsBody::removeAllShapes(bool reduceMassAndMoment /* = true*/)
{
    for (auto&& child : _shapes)
    {
        PhysicsShape* shape = dynamic_cast<PhysicsShape*>(child);

        // deduce the area, mass and moment
        // area must update before mass, because the density changes depend on it.
        if (reduceMassAndMoment)
        {
            _area -= shape->getArea();
            addMass(-shape->getMass());
            addMoment(-shape->getMoment());
        }

        if (_world)
        {
            _world->removeShape(shape);
        }

        // set shape->_body = nullptr make the shape->setBody will not trigger the _body->removeShape function call.
        shape->_body = nullptr;
        shape->setBody(nullptr);
    }

    _shapes.clear();
}

void PhysicsBody::removeFromWorld()
{