Console Flame Example

flame.py

#!/usr/bin/python
# Sample console fame animation
# Based on with fixes: https://gist.github.com/msimpson/1096950

import curses, random

screen  = curses.initscr()
width   = screen.getmaxyx()[1]
height  = screen.getmaxyx()[0]
size    = width*height
char    = [" ", ".", ":", "^", "*", "x", "s", "S", "#", "$"]
b       = []

try:
  curses.curs_set(0)
except curses.error:
  pass  # Terminals without cursor visibility control will bypass safely

curses.start_color()
curses.init_pair(1,0,0)
curses.init_pair(2,1,0)
curses.init_pair(3,3,0)
curses.init_pair(4,4,0)
screen.clear
for i in range(size+width+1): b.append(0)

while 1:
  for i in range(int(width/9)):
    b[int((random.random()*width)+width*(height-1))]=65

  for i in range(size):
    b[i]=int((b[i]+b[i+1]+b[i+width]+b[i+width+1])/4)
    color=(4 if b[i]>15 else (3 if b[i]>9 else (2 if b[i]>4 else 1)))

    if(i<size-1):
      screen.addstr(int(i/width),
                    i%width,
                    char[(9 if b[i]>9 else b[i])],
                    curses.color_pair(color) | curses.A_BOLD )

  screen.refresh()
  screen.timeout(10)
  if (screen.getch()!=-1):
    break

curses.endwin()