text: import PIXI from 'pixi.js';
  
  import {
    COLUMN_SCALE_X,
    COLUMN_SPACE,
  } from 'Const';
  import GLOBAL from 'Global';
  
  export default class Tree extends PIXI.Sprite {
    update() {
      this.position.x -= GLOBAL.GAME.speed * 0.5;
    }
  }
  