Player

class Player{
    int xpos=SCREEN_X/2;
    int ypos=SCREEN_Y - MARGIN - PADDLE_HEIGHT;
    }
   void  move(int  x){
     if(x>SCREEN_X-PADDLE_WIDTH){
       xpos  =  SCREEN_X-PADDLE_WIDTH;
     }
      else  xpos=x;
    }
   void  draw(){
    fill(PADDLE_COLOUR);
    rect(xpos,  ypos,  PADDLE_WIDTH,  PADDLE_HEIGHT);
    }
}