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以后还会持续更新！

开源代码！注意侵犯作者利益！

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【作品源代码】

import random
import turtle

xujiaming = 0

turtle.bgcolor('yellow')

caterpillar = turtle.Turtle()
caterpillar.shape('喵')
caterpillar.color('red')
caterpillar.speed(0)
caterpillar.penup()
caterpillar.hideturtle()

caterpillar2 = turtle.Turtle()
caterpillar2.shape('喵')
caterpillar2.color('blue')
caterpillar2.speed(0)
caterpillar2.penup()
caterpillar2.hideturtle()

leaf = turtle.Turtle()
leaf_shape = ((0, 0), (14, 2), (18, 6), (20, 20), (6, 18), (2, 14))
turtle.register_shape('leaf', leaf_shape)
leaf.shape('leaf')
leaf.color('green')
leaf.speed(0)
leaf.penup()
leaf.hideturtle()

game_started = False
text_turtle = turtle.Turtle()
turtle.hideturtle()
text_turtle.write('Press space to start', align='center',
                  font=('arial', 50, 'bold'))
text_turtle.hideturtle()

score1_turtle = turtle.Turtle()
score1_turtle.hideturtle()
score1_turtle.speed(0)

score2_turtle = turtle.Turtle()
score2_turtle.hideturtle()
score2_turtle.speed(0)


def outside_window(caterpillar):
    left_wall = -turtle.window_width() / 2
    right_wall = turtle.window_width() / 2
    top_wall = turtle.window_height() / 2
    bottom_wall = -turtle.window_height() / 2
    (x, y) = caterpillar.pos()
    outside = x < left_wall or x > right_wall or \
        y < bottom_wall or y > top_wall
    return outside


def game_over(score1, score2):
    caterpillar.color('yellow')
    caterpillar2.color('yellow')
    leaf.color('yellow')
    turtle.penup()
    turtle.hideturtle()
    if score1 > score2:
        winner = 'player2'
    elif score1 < score2:
        winner = 'player1'
    elif score1 == score2:
        turtle.write('GAME OVER!' + 'it ends in a draw!',
                     align='center', font=('Arial', 50, 'normal'))
    turtle.write('GAME OVER!' + winner + 'WIN!',
                 align='center', font=('Arial', 50, 'normal'))


def display_score1(current_score):
    score1_turtle.clear()
    score1_turtle.penup()
    x = (turtle.window_width() / 2) - 50
    y = (turtle.window_height() / 2) - 50
    score1_turtle.setpos(x, y)
    score1_turtle.write(str(current_score), align='right',
                        font=('Arial', 40, 'bold'))


def display_score2(current_score):
    score2_turtle.clear()
    score2_turtle.penup()
    x = (-turtle.window_width() / 2) + 50
    y = (turtle.window_height() / 2) - 50
    score2_turtle.setpos(x, y)
    score2_turtle.write(str(current_score), align='right',
                        font=('Arial', 40, 'bold'))


def place_leaf():
    leaf.ht()
    leaf.setx(random.randint(-200, 200))
    leaf.sety(random.randint(-200, 200))
    leaf.st()


def start_game():
    global game_started
    if game_started:
        return
    game_started = True

    text_turtle.clear()

    score1 = 0
    score2 = 0

    caterpillar_speed = 2
    caterpillar_length = 3
    caterpillar.shapesize(1, caterpillar_length, 1)
    caterpillar.showturtle()
    caterpillar2.shapesize(1, caterpillar_length, 1)
    caterpillar2.setheading(180)
    caterpillar2.showturtle()
    place_leaf()

    while True:
        caterpillar.forward(caterpillar_speed)
        caterpillar2.forward(caterpillar_speed)
        if caterpillar.distance(leaf) < 20:
            place_leaf()
            caterpillar_length = caterpillar_length + 1
            caterpillar.shapesize(1, caterpillar_length, 1)
            caterpillar_speed = caterpillar_speed + 1
            score1 = score1 + 10
            display_score1(score1)
        if caterpillar2.distance(leaf) < 20:
            place_leaf()
            caterpillar_length = caterpillar_length + 1
            caterpillar2.shapesize(1, caterpillar_length, 1)
            caterpillar_speed = caterpillar_speed + 1
            score2 = score2 + 10
            display_score2(score2)
        if outside_window(caterpillar) or outside_window(caterpillar2):
            game_over(score1, score2)
            break


def move_up():
    if caterpillar.heading() == 0 or caterpillar.heading() == 180:
        caterpillar.setheading(90)


def move_down():
    if caterpillar.heading() == 0 or caterpillar.heading() == 180:
        caterpillar.setheading(270)


def move_left():
    if caterpillar.heading() == 90 or caterpillar.heading() == 270:
        caterpillar.setheading(180)


def move_right():
    if caterpillar.heading() == 90 or caterpillar.heading() == 270:
        caterpillar.setheading(0)


def caterpillar2_move_up():
    if caterpillar2.heading() == 0 or caterpillar2.heading() == 180:
        caterpillar2.setheading(90)


def caterpillar2_move_down():
    if caterpillar2.heading() == 0 or caterpillar2.heading() == 180:
        caterpillar2.setheading(270)


def caterpillar2_move_left():
    if caterpillar2.heading() == 90 or caterpillar2.heading() == 270:
        caterpillar2.setheading(180)


def caterpillar2_move_right():
    if caterpillar2.heading() == 90 or caterpillar2.heading() == 270:
        caterpillar2.setheading(0)


turtle.listen()

turtle.onkey(start_game, 'space')
turtle.onkey(move_up, 'Up')
turtle.onkey(move_right, 'Right')
turtle.onkey(move_down, 'Down')
turtle.onkey(move_left, 'Left')

turtle.listen()

turtle.onkey(caterpillar2_move_up, 'w')
turtle.onkey(caterpillar2_move_right, 'd')
turtle.onkey(caterpillar2_move_down, 's')
turtle.onkey(caterpillar2_move_left, 'a')

turtle.listen()
turtle.mainloop()

 

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