type HoverCallback = (hovering: boolean) => void;
export function hoverEffect(
  gameObject: Phaser.GameObjects.GameObject,
  callback: HoverCallback,
) {
  let isHovering = false;
  const onPointerOver = () => {
    if (isHovering) return;
    isHovering = true;
    callback(true);
  };
  const onPointerOut = () => {
    if (!isHovering) return;
    isHovering = false;
    callback(false);
  };

  gameObject.on("pointerover", onPointerOver);
  gameObject.on("pointerout", onPointerOut);
  const cleanup = () => {
    gameObject.off("pointerover", onPointerOver);
    gameObject.off("pointerout", onPointerOut);
    gameObject.off("destroy", cleanup);
  };

  gameObject.once("destroy", cleanup);
  return cleanup;
}