Test Meteor

import appuifw as A
import math
import random

def stop():
 global running
 running=0
A.app.screen='full'

running=1
c=A.Canvas()
A.app.body=c
A.app.exit_key_handler=stop

cx=c.size[0]/2
cy=c.size[1]/2
dist=160
PX=0
PY=0
PZ=200
SZ=8
rand=random.randrange
V=[[rand(-40,40),rand(-40,40),rand(-40,40)]]

AX=AY=AZ=0
while running:
  sinx=math.sin(AX*math.pi/180)
  cosx=math.cos(AX*math.pi/180)
  siny=math.sin(AY*math.pi/180)
  cosy=math.cos(AY*math.pi/180)
  sinz=math.sin(AZ*math.pi/180)
  cosz=math.cos(AZ*math.pi/180)
  c.clear(0)
  for n in range(len(V)):
    ZX=V[n][0]*cosz - V[n][1]*sinz - V[n][0]
    ZY=V[n][1]*sinz + V[n][1]*cosz - V[n][1]
    YX=(V[n][0]+ZX)*cosy - V[n][2]*siny - (V[n][0]+ZX)
    YZ=(V[n][0]+ZX)*siny + V[n][2]*cosy - V[n][2]
    XY=(V[n][1]+ZY)*cosx - (V[n][2]+YZ)*sinx - (V[n][1]+ZY)
    XZ=(V[n][1]+ZY)*sinx + (V[n][2]+YZ)*cosx - (V[n][2]+YZ)
    z=(V[n][2]+PZ+(XZ+YZ))/dist
    if z < 0.01:
     z=0.01
    x=(V[n][0]+PX+(YX+ZX))/z
    y=(V[n][1]+PY+(ZY+XY))/z
    c.point((cx+x,cy+y),0xdfdf00,width=SZ/z)
  A.e32.ao_sleep(0.01)
  PZ-=2
  V.append([rand(-40,40),rand(-40,40),rand(-40,40)])
  PZ%=160
  if len(V)>25:
   V.pop(0)