Worker(ISceneNode *parent, ISceneManager *mgr, s32 id, const core::vector3df &position=core::vector3df(0, 0, 0),
const core::vector3df &rotation=core::vector3df(0, 0, 0), const core::vector3df &scale=core::vector3df(1.0f, 1.0f, 1.0f))
    : IAnimatedMeshSceneNode(parent, mgr, id, position, rotation, scale) {}