# s60_juggle.py -- with elseif comprehension

# s60_juggle.py -- with elseif comprehension

from math import sin,cos,pi
from random import randint

from appuifw import app,Canvas
from graphics import Image
from e32 import ao_sleep

running = 1
def quit():
    global running
    running = 0
app.exit_key_handler = quit

def draw(rect):
    try: canvas.blit(img)
    except: pass

img = None
app.screen = 'large'
app.orientation = 'portrait'
app.directional_pad = False
app.body = canvas = Canvas(redraw_callback=draw)
X, Y = canvas.size
img=Image.new((X,Y))

sx,sy,sxy=X/2,Y/2,X/5.0

def radian(d):
    return (float(d)*pi)/180.0

def plot():
    img.clear(0)
    for agl in cirx:
        rad=radian(agl*30)
        rgb=tuple([randint(60,256) for x in "***"])
        xp=cos(rad)*sxy-sin(rad)*sxy
        yp=sin(rad)*sxy+cos(rad)*sxy
        img.point((sx-xp,sy-yp),rgb,width=50)
    draw(())
    ao_sleep(0.08)

cirx=[0,20,40]
while running:
    cirx=tuple([1 if agl>59 else agl+1 for agl in cirx]) # <<< elseif comprehension
    plot()