 @square = null
+@wallTop = null
 @wallLeft = null
 @wallRight = null
 

    @wallRight.body.setSize(20, 960)

  update: () ->
    @square.body.position.x = game.input.activePointer.x
    @square.body.position.y = game.input.activePointer.y

  render: () ->
    game.debug.text('Hello, game!', GameResolution.width / 2, GameResolution.height / 2)
    game.debug.body(@square)
    game.debug.body(@wallLeft)
    game.debug.body(@wallRight)

    game.physics.startSystem(Phaser.Physics.ARCADE)
    game.input.maxPointers = 1

    @square = new Phaser.Sprite(game, 100, 920, null)
    game.add.existing(@square)
    game.physics.enable(@square, Phaser.Physics.ARCADE)
    @square.body.setSize(80, 20)

    @wallTop = new Phaser.Sprite(game, 20, 0, null)
    game.add.existing(@wallTop)
    game.physics.enable(@wallTop, Phaser.Physics.ARCADE)
    @wallTop.body.setSize(600, 20)

    @wallLeft = new Phaser.Sprite(game, 0, 0, null)
    game.add.existing(@wallLeft)
