let currentScene = 'TombstoneView'

//场景加载进度回调
window.loadSceneProgress = function (progress) {
  if (window.parent && window.parent !== window) {
    window.parent.unityLoading(progress)
  }
}

//设置场景加载完毕时透明度渐变的时长(秒), 0为去除该效果
window.setLoadSceneAnimationTime = function (animationTime) {
  window.unityInstance.SendMessage('SceneLoader', 'SetAnimationTime', animationTime)
}

//切换场景 场景支持以下参数 "TombstoneView", "RoomScene", "DrawingBoard"
window.loadScene = function (sceneName) {
  currentScene = sceneName

  if (sceneName) {
    window.setLoadSceneAnimationTime(sceneName === 'DrawingBoard' ? 1 : 0)
    window.unityInstance.SendMessage('SceneLoader', 'LoadScene', sceneName)
  }
}

// 返回当前场景状态
window.sceneStaRes = () => {
  return currentScene
}