text: export const SCENE_SET_BACKGROUND_SCENE = 'SCENE_SET_BACKGROUND_SCENE';
  export const SCENE_SET_CURRENT_SCENE = 'SCENE_SET_CURRENT_SCENE';
  export const SCENE_DO_ENTERING = 'SCENE_DO_ENTERING';
  export const SCENE_DO_ENTER = 'SCENE_DO_ENTER';
  export const SCENE_DO_EXITING = 'SCENE_DO_EXITING';
  export const SCENE_LOAD_START = 'SCENE_LOAD_START';
  export const SCENE_LOAD_COMPLETE = 'SCENE_LOAD_COMPLETE';
  export const SCENE_DISPLAY_PANORAMA = 'SCENE_DISPLAY_PANORAMA';
  export const SCENE_DISPLAY_TRANSITION = 'SCENE_DISPLAY_TRANSITION';
  export const SCENE_END = 'SCENE_END';
  export const CAST_ON_STAGE = 'SCENE_CAST_ON_STAGE';
  export const CAST_DO_ENTER = 'SCENE_CAST_DO_ENTER';
  export const SET_NEXT_START_ANGLE = 'SCENE_SET_NEXT_START_ANGLE';
  