GERAK MELINGKAR DALAM CANVAS

from appuifw import*
from graphics import*
from e32 import*
from math import*
from random import*

run = 1
def quit():global run;run = 0
app.exit_key_handler = quit
app.screen = 'full'
app.body = c = Canvas()
X,Y = c.size
im = Image.new((X,Y))
im.clear(0)
sx, sy, jari2 = X/2, Y/2, X/5.0

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

def gerak():
    rad = radian(agl*6)
    xp = cos(rad)*jari2 - sin(rad)*jari2
    yp = sin(rad)*jari2 + cos(rad)*jari2
    im.point((sx-xp,sy-yp),acak, width = 10)

agl = 0
while run :
    agl += 1
    if agl >= 60 : agl = 0;im.clear(0)
    acak=randint(0,0xffffff)
    gerak()
    c.blit(im)
    ao_sleep(0.01)