BezierSimples.coffee

n = 19
a = {x:[],y:[]} for i in [0..n-1]

update = (a, fn) -> 
  for _n in [0..a.length-1]
    for key,val of a[_n]
        fn(_n,key,val)
    @text a[_n], 10, (_n+1)*(n/@width)
        
callback = (n, k, v) -> 
  v = @random (if k is 'x' then @width else (if k is 'y' then @height))

@setup = -> 
  @createCanvas 480, 360
  # Log is some preadded variable
  @textFont log
  @textSize 20
  update a, callback

@draw = ->
  @background 0
  @noFill()
  for i in [0..a.length-1]
    @stroke @random 255, @random 255, @random 255
    @bezier(a[i].x[0], a[i].y[0], a[i].x[1], a[i].y[1],a[i].x[2],a[i].y[2],a[i].x[3],a[i].y[3])
  update a, callback