text: class Stone 
  {
    constructor(x, y,r) 
    {
      let options = {
       isStatic:false,
      };
      
      this.body = Bodies.circle(x, y, r, options);
      this.image = loadImage("assets/stone.png");
  
      this.r =r;
      World.add(world, this.body);
    }
  
    display() {
      let pos = this.body.position;
      push();
      noStroke();
      fill(148,127,146);
      imageMode(CENTER);
      image(this.image,pos.x,pos.y, this.r*2,this.r*2);
      pop();
    }
  } 