text: 
  class SpriteBox {
      constructor(x,y,width,height){
          this.sprite = createSprite(x,y,width,height);
          this.width = width;
          this.height = height;
  
          
  
         
          
          this.sprite.velocityY = 4;
          
  
  
      }
  
  
  
  
     
  
  
      display(){
          // var gravity1;
          // gravity1 = gravity1+0.1;
          // this.sprite.velocityY = this.sprite.velocityY+gravity1;
  
      }
  
  
  
  
  }