Datagram

import appuifw as A
import graphics as G
import random
rand=random.randint

class Datagram:
 def __init__(self):
  self.b,self.maxY=5,150
  self.x0=W               # offset x
  self.y0=150+self.b    # offset y
  self.t=2
  self.step=1
  self.max=0
  self.data=[
   [self.x0-self.b,self.y0,self.x0-self.b,self.y0]
    ]  # data awal
  self.data2=[
   [self.x0-self.b,self.y0,self.x0-self.b,self.y0]
    ]  # data awal

 def update(self):
  self.t-=1
  if self.t<0:
   newY=rand(self.y0-(self.maxY+1),self.y0)
   newY2=rand(self.y0-10,self.y0)
   if (self.y0-self.data[-1][3])>=self.maxY:
    self.max+=1
   self.data.append([self.data[-1][2],self.data[-1][3],self.x0-self.b,newY])
   self.data2.append([self.data2[-1][2],self.data2[-1][3],self.x0-self.b,newY2])
   self.t=2
  if self.data[0][0] < self.b*4:self.data.pop(0)
  if self.data2[0][0] < self.b*4:self.data2.pop(0)

 def draw(self,g):
  g.rectangle((self.b*4-1,4,self.x0-self.b+1,5+self.maxY+1),0x222222,0x555555)
  for i in range(0,self.maxY+10,10):
   g.line((8,5+i,14,5+i),0x696969)
  for y in range(len(self.data)):
   self.data[y][0]-=self.step
   self.data[y][2]-=self.step
   g.line((self.data[y][0],self.data[y][1],self.data[y][2],self.data[y][3]),0x00ff00)
  for y in range(len(self.data2)):
   self.data2[y][0]-=self.step
   self.data2[y][2]-=self.step
   g.line((self.data2[y][0],self.data2[y][1],self.data2[y][2],self.data2[y][3]),0xff0000)

 def get_last(self):
  return self.y0-self.data[-1][3]

 def get_max(self):
  return self.max

 def get_avg(self):
  sample=len(self.data)
  n=0
  for i in range(sample):
    n+=self.y0-self.data[i][3]
  return float(n/sample)




class App:
 def __init__(self):
  self.run=0
  A.app.screen='full'
  self.c = A.Canvas(redraw_callback=self.redraw,event_callback=None)
  A.app.body=self.c
  A.app.exit_key_handler = self.stop

 def stop(self):
  self.run=0

 def redraw(self,x):
  if BG:
   self.c.blit(BG)

 def play(self):
  self.run=1
  while self.run:
   av=dat.get_avg()
   vmax=dat.get_max()
   last=dat.get_last()
   BG.clear(0x333333)
   BG.rectangle((5,H-22,W-5,H-4),0x222222,0x555555)

   # last
   BG.text((10,H-8),u'Current: %d' %last,0xdadada)
   # total berapa kali mencapai nilai maksimum
   BG.text((70,H-8),u'Max: %d' %vmax,0xdadada)
   # nilai rata2
   BG.text((120,H-8),u'Avg: %0.1f' %av,0xdadada)
   dat.update()
   dat.draw(BG)
   self.redraw(0)
   A.e32.ao_sleep(0.01)


W,H=G.sysinfo.display_pixels()
BG=G.Image.new((W,H))
dat=Datagram()
App().play()