 
   $(window).bind 'wheel', (e) ->
     e.preventDefault()
-    console.log e.originalEvent.deltaZ
     offset = offset.add new Vector
       x: -e.originalEvent.deltaX
       y: -e.originalEvent.deltaY


    rotation += ROTATE_SPEED * deltaTime if Keyboard.isDown 69
    rotation -= ROTATE_SPEED * deltaTime if Keyboard.isDown 81
    scale *= 1 + SCALE_SPEED * deltaTime if Keyboard.isDown 88
    scale /= 1 + SCALE_SPEED * deltaTime if Keyboard.isDown 90

    ctx.clearRect 0, 0, width, height
    ctx.translate width/2, height/2

      timeScale *= TIME_SCALE_SPEED
    if e.keyCode == 189
      timeScale /= TIME_SCALE_SPEED

  ctx = $('canvas')[0].getContext '2d'

