Hack!Python Tetris

tetris-tkinter.py

# -*- coding=utf8 -*-
import sys,random
from Tkinter import *
score,bw,bh,H,W=0,10,20,30,30
blk = {0xf:"red",0x2e:"#0f0",0x27:"blue",0x47:"#ff0",0x66:"#0ff",0xC6:"#38f",0x6C:"#f0f"}
board = [ [0xf if j==bh else 0]*bw+[0xf]*2 for j in range(bh+2+1) ]
new_piece = lambda pc: ( [((z>>2)+1,z&3) for z in range(16) if (pc>>z)&1], 3, -2, pc )
collide=lambda piece,px,py: [1 for (i,j) in piece if board[j+py][i+px]] #是否碰撞
piece, px, py, pc = new_piece(random.choice(blk.keys())) # 第一個piece
def tick(e=None):
  global piece,px,py,pc,tickcnt,board,score

  keys = e.keysym if e else  "" # get key event

  npx = px+(-1 if keys=="Left" else (1 if keys=="Right" else 0)) # 左-1右1否則0
  npiece = [(j,3-i) for (i,j) in piece] if keys=="Up" else piece   #rotate
  if not collide(npiece,npx,py): piece,px=npiece,npx
  if keys=="Down": py=(j for j in range(py,bh) if collide(piece,px,j+1)).next()

  if e==None:
    if collide(piece,px,py+1):
      if py<0: sys.exit("GAME OVER: score %i"%score) # game over 的狀況
      for i,j in piece: board[j+py][i+px]=pc
      piece,px,py,pc=new_piece(random.choice(blk.keys()))
    else: py+=1

    nb=[l for l in board[:bh] if 0 in l]+board[bh:] # 沒有被填滿的
    s=len(board)-len(nb)
    if s: score,board=score+2**s, [board[-1][:] for j in range(s)]+nb
    scr.after(300,tick)
  scr.delete("all")

  for i,j,c in [(i,j,blk.get(board[j][i],"#000")) for i in range(bw) for j in range(bh)]:
    scr.create_rectangle(i*W,j*H,(i+1)*W,(j+1)*H,fill=blk[pc] if (i-px,j-py) in piece else c)

#  for line in board: print '\t'.join(str(v) for v in line)
#  print len(board)
#  print px,py

scr=Canvas(width=bw*W,height=bh*H,bg="#000")
scr.after(300,tick)
scr.bind_all("<Key>",tick)
scr.pack()
scr.mainloop()