用Python-Turtle做贪吃蛇
闲话少叙，上源码！！！
import random
import turtle as t
t.bgcolor('yellow')
caterpillar = t.Turtle()
caterpillar.shape('square')
caterpillar.color('red')
caterpillar.speed(0)
caterpillar.penup()
caterpillar2 = t.Turtle()
caterpillar2.shape('square')
caterpillar2.color('blue')
caterpillar2.speed(0)
caterpillar2.penup()
caterpillar2.hideturtle()
leaf = t.Turtle()
leaf_shape = ((0, 0),(14, 2), (18, 6), (20, 20), \
(6, 18), (2, 14))
t.register_shape('leaf', leaf_shape)
leaf.shape('leaf')
leaf.color('green')
leaf.penup()
leaf.hideturtle()
leaf.speed(0)
game_started = False
text_turtle = t.Turtle()
text_turtle.write('Press SPACE To Start', align='center', \
font=('Arial', 16, 'bold'))
text_turtle.hideturtle()
score_turtle = t.Turtle()
score_turtle.hideturtle()
score_turtle.speed(0)
def outside_window(caterpillar):
left_wall = -t.window_width() / 2
right_wall = t.window_width() / 2
top_wall = t.window_height() / 2
bottom_wall = -t.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():
caterpillar.color('yellow')
caterpillar2.color('yellow')
leaf.color('yellow')
t.penup()
t.hideturtle()
t.write('GAME OVER !', align='center', font=('Arial', 30, 'normal'))
def display_score(current_score):
score_turtle.clear()
score_turtle.penup()
x = (t.window_width() / 2) - 50
y = (t.window_height() / 2) - 50
score_turtle.setpos(x, y)
score_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
score = 0
text_turtle.clear()
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()
display_score(score)
place_leaf()
while True:
caterpillar.forward(caterpillar_speed)
caterpillar2.forward(caterpillar_speed)
if caterpillar.distance(leaf) < 20 or leaf.distance(caterpillar2) < 20:
place_leaf()
caterpillar_length = caterpillar_length + 1
caterpillar.shapesize(1, caterpillar_length, 1)
caterpillar2.shapesize(1, caterpillar_length, 1)
caterpillar_speed = caterpillar_speed+1
score = score + 10
display_score(score)
if outside_window(caterpillar) or outside_window(caterpillar2):
game_over()
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)
t.onkey(start_game, 'space')
t.onkey(move_up, 'Up')
t.onkey(move_right, 'Right')
t.onkey(move_down, 'Down')
t.onkey(move_left, 'Left')
t.onkey(caterpillar2_move_up, 'w')
t.onkey(caterpillar2_move_right, 'd')
t.onkey(caterpillar2_move_down, 's')
t.onkey(caterpillar2_move_left, 'a')
t.onkey(start_game, 'space')
t.listen()
t.mainloop()
事实上，这只是一个比较简陋的模型……{:10_277:}
但是，我一定会努力的！！！{:10_265:}
看起来您发了一个未完成的贪吃蛇游戏的源码片段。但代码有点不完整，后面的部分似乎没有粘贴完。下面给您一份完整的示例，您可以参考这个完整的游戏代码：
import random
import turtle as t
t.bgcolor('yellow')
# Caterpillar setup
caterpillar = t.Turtle()
caterpillar.shape('square')
caterpillar.color('red')
caterpillar.speed(0)
caterpillar.penup()
caterpillar.hideturtle()
# Leaf setup
leaf = t.Turtle()
leaf_shape = ((0, 0), (14, 2), (18, 6), (20, 20), (6, 18), (2, 14))
t.register_shape('leaf', leaf_shape)
leaf.shape('leaf')
leaf.color('green')
leaf.penup()
leaf.hideturtle()
leaf.speed(0)
game_started = False
text_turtle = t.Turtle()
text_turtle.write('Press SPACE to start', align='center', font=('Arial', 16, 'bold'))
text_turtle.hideturtle()
score_turtle = t.Turtle()
score_turtle.hideturtle()
score_turtle.speed(0)
# Check if the caterpillar is outside the window
def outside_window(caterpillar):
left_wall = -t.window_width() / 2
right_wall = t.window_width() / 2
top_wall = t.window_height() / 2
bottom_wall = -t.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
# Display game over message
def game_over():
caterpillar.color('yellow')
leaf.color('yellow')
t.penup()
t.hideturtle()
t.write('GAME OVER!', align='center', font=('Arial', 30, 'normal'))
# Display the current score
def display_score(current_score):
score_turtle.clear()
score_turtle.penup()
x = (t.window_width() / 2) - 50
y = (t.window_height() / 2) - 50
score_turtle.setpos(x, y)
score_turtle.write(str(current_score), align='right', font=('Arial', 40, 'bold'))
# Place the leaf at a random location
def place_leaf():
leaf.ht()
leaf.setx(random.randint(-200, 200))
leaf.sety(random.randint(-200, 200))
leaf.st()
# Start the game
def start_game():
global game_started
if game_started:
return
game_started = True
score = 0
text_turtle.clear()
caterpillar_speed = 2
caterpillar_length = 3
caterpillar.shapesize(1, caterpillar_length, 1)
caterpillar.showturtle()
display_score(score)
place_leaf()
while True:
caterpillar.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
score = score + 10
display_score(score)
if outside_window(caterpillar):
game_over()
break
# Turn the caterpillar upwards
def move_up():
if caterpillar.heading() != 270:
caterpillar.setheading(90)
# Turn the caterpillar downwards
def move_down():
if caterpillar.heading() != 90:
caterpillar.setheading(270)
# Turn the caterpillar left
def move_left():
if caterpillar.heading() != 0:
caterpillar.setheading(180)
# Turn the caterpillar right
def move_right():
if caterpillar.heading() != 180:
caterpillar.setheading(0)
# Bind keyboard inputs to functions
t.onkey(start_game, 'space')
t.onkey(move_up, 'Up')
t.onkey(move_down, 'Down')
t.onkey(move_left, 'Left')
t.onkey(move_right, 'Right')
t.listen()
t.mainloop()
这个代码展示了如何用Python的Turtle库制作一个简单的贪吃蛇游戏。按下空格键（SPACE）开始游戏，并用方向键（上、下、左、右）控制贪吃蛇的移动方向。游戏过程中得吃绿叶来增长长度并增加分数。如果贪吃蛇撞到窗口边界，游戏结束，显示"GAME OVER"。
以上回复来自 FishC AI 小助理，如未能正确解答您的问题，请继续追问。
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