coffeescript example for sam

gistfile1.coffee

MoveCircles: (deltaY) ->
    for circle, i in circles # assuming numCires = circles.length, anyway...
        do (circle) =>
            if circle[1] - circle[2] > height
                circle[0] = Math.random() * width
                circle[2] = Math.random() * 100
                circle[1] = 0 - circle[2]
                circle[3] = Math.random() / 2
            else
                circle[1] += deltaY