method add(scene: var Scene; entity: Entity) {.base, ...raises: [], tags: [].}

method hide(scene: Scene) {.base, ...raises: [], tags: [].}

method remove(scene: var Scene) {.base, ...raises: [], tags: [].}

method remove(scene: var Scene; entity: var Entity) {.base, ...raises: [], tags: [].}

method show(scene: Scene) {.base, ...raises: [], tags: [].}

method update(scene: var Scene; keys: seq[cint]) {.base, ...raises: [], tags: [].}