ximport("coreimage")
from math import cos, sin, pi

'''
To do:
+ pixels instead of ovals?
+ 3-d rep (layering)
+ bigger, compass marks, etc
+ animation of a directory
'''

WIDTH = 512
HEIGHT = 512

translate(WIDTH/2, HEIGHT/2)

def ptor(r, ang):
    w = pi * (ang*360) / 180.0
    return (r * cos(w), r * sin(w))

canvas = coreimage.canvas(WIDTH, HEIGHT)
l = canvas.append(u"/Users/char/Pictures/IMG_8211.CR2")
pxs = l.pixels()

path = []

# bug: off by one
# todo: optimize skips
for n in range(len(pxs)):
    npts = 50000 # draw this many samples (taken periodically)
    if n % (len(pxs)/npts) == 0:
        path.append(pxs[n])

for p in path:
    xy = ptor(p.saturation, p.hue)
    fill(p)
    oval(xy[0]*100, xy[1]*100, 2, 2)