C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """ turtle-example-suite: tdemo_nim.py Play nim against the computer. The player who takes the last stick is the winner. Implements the model-view-controller design pattern. """ import turtle import random import time SCREENWIDTH = 640 SCREENHEIGHT = 480 MINSTICKS = 7 MAXSTICKS = 31 HUNIT = SCREENHEIGHT // 12 WUNIT = SCREENWIDTH // ((MAXSTICKS // 5) * 11 + (MAXSTICKS % 5) * 2) SCOLOR = (63, 63, 31) HCOLOR = (255, 204, 204) COLOR = (204, 204, 255) def randomrow(): return random.randint(MINSTICKS, MAXSTICKS) def computerzug(state): xored = state[0] ^ state[1] ^ state[2] if xored == 0: return randommove(state) for z in range(3): s = state[z] ^ xored if s <= state[z]: move = (z, s) return move def randommove(state): m = max(state) while True: z = random.randint(0,2) if state[z] > (m > 1): break rand = random.randint(m > 1, state[z]-1) return z, rand class NimModel(object): def __init__(self, game): self.game = game def setup(self): if self.game.state not in [Nim.CREATED, Nim.OVER]: return self.sticks = [randomrow(), randomrow(), randomrow()] self.player = 0 self.winner = None self.game.view.setup() self.game.state = Nim.RUNNING def move(self, row, col): maxspalte = self.sticks[row] self.sticks[row] = col self.game.view.notify_move(row, col, maxspalte, self.player) if self.game_over(): self.game.state = Nim.OVER self.winner = self.player self.game.view.notify_over() elif self.player == 0: self.player = 1 row, col = computerzug(self.sticks) self.move(row, col) self.player = 0 def game_over(self): return self.sticks == [0, 0, 0] def notify_move(self, row, col): if self.sticks[row] <= col: return self.move(row, col) class Stick(turtle.Turtle): def __init__(self, row, col, game): turtle.Turtle.__init__(self, visible=False) self.row = row self.col = col self.game = game x, y = self.coords(row, col) self.shape("square") self.shapesize(HUNIT/10.0, WUNIT/20.0) self.speed(0) self.pu() self.goto(x,y) self.color("white") self.showturtle() def coords(self, row, col): packet, remainder = divmod(col, 5) x = (3 + 11 * packet + 2 * remainder) * WUNIT y = (2 + 3 * row) * HUNIT return x - SCREENWIDTH // 2 + WUNIT // 2, SCREENHEIGHT // 2 - y - HUNIT // 2 def makemove(self, x, y): if self.game.state != Nim.RUNNING: return self.game.controller.notify_move(self.row, self.col) class NimView(object): def __init__(self, game): self.game = game self.screen = game.screen self.model = game.model self.screen.colormode(255) self.screen.tracer(False) self.screen.bgcolor((240, 240, 255)) self.writer = turtle.Turtle(visible=False) self.writer.pu() self.writer.speed(0) self.sticks = {} for row in range(3): for col in range(MAXSTICKS): self.sticks[(row, col)] = Stick(row, col, game) self.display("... a moment please ...") self.screen.tracer(True) def display(self, msg1, msg2=None): self.screen.tracer(False) self.writer.clear() if msg2 is not None: self.writer.goto(0, - SCREENHEIGHT // 2 + 48) self.writer.pencolor("red") self.writer.write(msg2, align="center", font=("Courier",18,"bold")) self.writer.goto(0, - SCREENHEIGHT // 2 + 20) self.writer.pencolor("black") self.writer.write(msg1, align="center", font=("Courier",14,"bold")) self.screen.tracer(True) def setup(self): self.screen.tracer(False) for row in range(3): for col in range(self.model.sticks[row]): self.sticks[(row, col)].color(SCOLOR) for row in range(3): for col in range(self.model.sticks[row], MAXSTICKS): self.sticks[(row, col)].color("white") self.display("Your turn! Click leftmost stick to remove.") self.screen.tracer(True) def notify_move(self, row, col, maxspalte, player): if player == 0: farbe = HCOLOR for s in range(col, maxspalte): self.sticks[(row, s)].color(farbe) else: self.display(" ... thinking ... ") time.sleep(0.5) self.display(" ... thinking ... aaah ...")