Shell Shakes - A snake Game using curses.

game.py

import curses, math, signal, time, thread, random
#init
screen = curses.initscr()
curses.noecho()
curses.curs_set(0)
curses.start_color();
curses.use_default_colors()
#colors


for i in range(0, curses.COLORS):
	curses.init_pair(i + 1,-1,i)
#ctrl-c handler
running=True
def signal_handler(signal, frame):
	global running
	running=False
signal.signal(signal.SIGINT, signal_handler)
#player
pos=[0,0,2]
direction=[0,1]
parts=[]
screen.timeout(-1)
screen.nodelay(1)
lastframe=time.time()

dims=screen.getmaxyx()
apple=[random.randrange(1,dims[1]-2),random.randrange(1,dims[0]-2)]
#game loop
while running:
	ch=screen.getch()
	if ch==ord('w') and direction[1]!=1: direction=[0,-1]
	elif ch==ord('s') and direction[1]!=-1: direction=[0,1]
	elif ch==ord('a') and direction[0]!=1: direction=[-1,0]
	elif ch==ord('d') and direction[0]!=-1: direction=[1,0]
	
	if time.time()-lastframe>0.05:
		#update
		lastframe=time.time()
		parts+=[[pos[0], pos[1], pos[2]]]
		x=0
		for i in parts:
			i[2]-=1
			if i[2]<0: del parts[x]
			x+=1
		dims=screen.getmaxyx()
		pos[0]+=direction[0]
		pos[1]+=direction[1]
		if pos[0]<0: pos[0]=dims[1]-2
		if pos[0]>dims[1]-2: pos[0]=0
		if pos[1]<0: pos[1]=dims[0]-1
		if pos[1]>dims[0]-1: pos[1]=0
		if apple[0]==pos[0] and apple[1]==pos[1]:
			apple=[random.randrange(1,dims[1]-1),random.randrange(1,dims[0]-1)]
			pos[2]+=3
		for i in parts:
			if pos[0]==i[0] and pos[1]==i[1]:
				running=False
				break
		#render
		screen.clear()
		for i in parts:
			screen.addstr(i[1],i[0],' ',curses.color_pair(3))
		screen.addstr(pos[1],pos[0],' ',curses.color_pair(2))
		screen.addstr(apple[1],apple[0],' ',curses.color_pair(5))
		screen.refresh()

#the end
curses.endwin()

print "Your Score: "+ str(pos[2])