class Cube {
  
  float xpos;
  float ypos;
  float xspeed;

  
Cube(color c_, float xpos_, float ypos_, float xspeed_) {;

    xpos = random(width);
    ypos = random(height);
    xspeed = random (1,3);
  }
  
  void display() {
    stroke(25,250,10);
    fill (35,67,175);
    rectMode(CENTER);
   rect (xpos,ypos,40,40);
 
  }
  
  void move(){
    
    xpos = xpos +xspeed;
    if (xpos > width) {
      xpos = 0;

     } 
  }
}