text: var hypnoticBall, database;
  var position;
  
  
  function setup(){
    database = firebase.database();
    console.log(database);
    createCanvas(500,500);
  
    hypnoticBall = createSprite(250,250,10,10);
    hypnoticBall.shapeColor = "red";
  
  
    var hypnoticBallPosition = database.ref('ball/position');
    hypnoticBallPosition.on("value", readPosition, showError);
  }
  
  function draw(){
    background("white");
    
      if(keyDown(LEFT_ARROW)){
        writePosition(-5,0);
      }
      else if(keyDown(RIGHT_ARROW)){
        writePosition(5,0);
      }
      else if(keyDown(UP_ARROW)){
        writePosition(0,-5);
      }
      else if(keyDown(DOWN_ARROW)){
        writePosition(0,+5);
      }
      drawSprites();
    
  }
  
  function writePosition(x,y){
    database.ref("ball/position").set({
      x:position.x+x,
      y:position.y+y
    })
  }
  
  function readPosition(data){
    position = data.val();
    console.log(position.x);
    hypnoticBall.x = position.x;
    hypnoticBall.y = position.y;
  }
  
  function showError(){
    console.log("Error in writing to the database");
  }
  
  