简介

怎么使用python的turtle开发一个打字游戏呢？ 然后通过此游戏提高键盘输入的速度。

本文就开发一个这样的打字游戏，用户根据屏幕上掉下来的字母，快速敲出正确的字母，正确率越高，得分越高，如果字母到达屏幕底部你还没有敲出来，则整个游戏结束。

开发思路

根据设定的字母数N，随时都有N个随机的字母从屏幕上掉下来。当你从键盘上敲出一个正确的字母时，这个字母就会消失，取而代之的是一个从顶部随机掉落的新字母。同时，你的分数也会增加1分。当你击中一个错误的字母时，你的分数将减少1分。

为了增加游戏的难度，这些字母以随机的速度下落，也让字母下落的速度随着时间的推移逐渐增加。

当有字母到达屏幕底部你还没有敲出来，则整个游戏结束

效果

源代码

import turtle
import random


class LetterTypeGame:
    min_speed = 5
    max_speed = 5
    letters = []
    speeds = []
    pos = []
    lts = []
    n = 15
    game_over = False
    score = 0
    colors = ["red", "purple", "blue", "green", "orange", "yellow"]

    def __init__(self):
        self.screen = turtle.Screen()
        self.screen.setup(width=800, height=600)
        self.screen.title('打字母游戏 - cloudcoder出品')
        self.screen.bgcolor('sky blue')
        self.screen.tracer(0, 0)

        turtle.hideturtle()
        turtle.up()
        turtle.color('red')
        turtle.goto(350, 400)
        turtle.write('Score: ', align='center', font=('Courier', 25, 'normal'))

        self.score_turtle = turtle.Turtle()
        self.score_turtle.color('black')
        self.score_turtle.up()
        self.score_turtle.hideturtle()

    def increase_difficulty(self):
        self.min_speed += 1
        self.max_speed += 1

        self.screen.ontimer(self.increase_difficulty, 10000)

    def draw_game_over(self):
        turtle.goto(0, 0)
        turtle.color('red')
        turtle.write('游戏结束', align='center', font=('songti', 50, 'normal'))
        turtle.goto(0, -150)
        turtle.color('orange')
        turtle.write('总得分:{}'.format(self.score), align='center', font=('songti', 40, 'normal'))
        self.draw_score()
        self.screen.update()

    def draw_score(self):
        if not self.game_over:
            self.score_turtle.clear()
            self.score_turtle.goto(220, 200)
            self.score_turtle.write('当前得分是:{}'.format(self.score), align='center', font=('songti', 25, 'normal'))
            self.screen.update()

    def draw_letters(self):
        if not self.game_over:
            for i in range(len(self.letters)):
                self.lts[i].clear()
                self.lts[i].goto(self.pos[i])
                self.lts[i].write(self.letters[i], align='center', font=('songti', 25, 'normal'))
                self.pos[i][1] -= self.speeds[i]
                if self.pos[i][1] < -300:
                    self.game_over = True
                    self.draw_game_over()
                    return
        self.screen.update()
        self.screen.ontimer(self.draw_letters, 50)

    def f(self, c):  # handle keyboard press
        if c in self.letters:
            self.score += 1
            k = self.letters.index(c)
            while True:
                l = chr(ord('a') + random.randrange(26))
                if l not in self.letters:
                    self.letters[k] = l
                    break
            self.pos[k] = [random.randint(-350, 350), 300]
            self.speeds[k] = random.randint(self.min_speed, self.max_speed)
        else:
            self.score -= 1
        self.draw_score()

    def registerLister(self):
        self.screen.onkey(lambda: self.f('a'), 'a')
        self.screen.onkey(lambda: self.f('b'), 'b')
        self.screen.onkey(lambda: self.f('c'), 'c')
        self.screen.onkey(lambda: self.f('d'), 'd')
        self.screen.onkey(lambda: self.f('e'), 'e')
        self.screen.onkey(lambda: self.f('f'), 'f')
        self.screen.onkey(lambda: self.f('g'), 'g')
        self.screen.onkey(lambda: self.f('h'), 'h')
        self.screen.onkey(lambda: self.f('i'), 'i')
        self.screen.onkey(lambda: self.f('j'), 'j')
        self.screen.onkey(lambda: self.f('k'), 'k')
        self.screen.onkey(lambda: self.f('l'), 'l')
        self.screen.onkey(lambda: self.f('m'), 'm')
        self.screen.onkey(lambda: self.f('n'), 'n')
        self.screen.onkey(lambda: self.f('o'), 'o')
        self.screen.onkey(lambda: self.f('p'), 'p')
        self.screen.onkey(lambda: self.f('q'), 'q')
        self.screen.onkey(lambda: self.f('r'), 'r')
        self.screen.onkey(lambda: self.f('s'), 's')
        self.screen.onkey(lambda: self.f('t'), 't')
        self.screen.onkey(lambda: self.f('u'), 'u')
        self.screen.onkey(lambda: self.f('v'), 'v')
        self.screen.onkey(lambda: self.f('w'), 'w')
        self.screen.onkey(lambda: self.f('x'), 'x')
        self.screen.onkey(lambda: self.f('y'), 'y')
        self.screen.onkey(lambda: self.f('z'), 'z')

    def start(self):
        for _ in range(self.n):
            self.lts.append(turtle.Turtle())
            while True:
                l = chr(ord('a') + random.randrange(26))
                if l not in self.letters:
                    self.letters.append(l)
                    break
            self.speeds.append(random.randint(self.min_speed, self.max_speed))
            self.pos.append([random.randint(-350, 350), random.randint(250, 300)])

        for i in range(self.n):
            self.lts[i].speed(0)
            self.lts[i].hideturtle()
            self.lts[i].color(self.colors[random.randint(0, 6) % 6])
            self.lts[i].up()

        self.draw_letters()
        self.increase_difficulty()
        self.registerLister()
        self.screen.listen()
        self.screen.mainloop()


if __name__ == '__main__':
    game = LetterTypeGame()
    game.start()