gistfile1.coffee

canvas = null
context = null
x = 0
y = 250
r = 0.0

img = new Image()
img.src = '/images/serve-logo.png'

$ ->
  setup()
  gameLoop()

setup = ->
  canvas = $('#thingy').get(0)
  context = canvas.getContext('2d')

gameLoop = ->
  update()
  draw()
  setTimeout gameLoop, 1000 / 25

update = ->
  x = x + 1
  r = r + 0.01

draw = ->
  context.clearRect(0, 0, canvas.width, canvas.height)
  context.translate(x, y)
  context.rotate(r)
  context.drawImage(img, -img.width/2, -img.height/2, img.width, img.height)
  context.rotate(-r)
  context.translate(-x, -y)