139 lines
3.2 KiB
Python
139 lines
3.2 KiB
Python
|
import turtle
|
||
|
|
import random
|
||
|
|
import time
|
||
|
|
|
||
|
|
# 设置屏幕
|
||
|
|
screen = turtle.Screen()
|
||
|
|
screen.title("贪吃蛇小游戏")
|
||
|
|
screen.bgcolor("lightgreen")
|
||
|
|
screen.setup(width=600, height=600)
|
||
|
|
screen.tracer(0) # 关闭自动刷新
|
||
|
|
|
||
|
|
# 创建蛇头
|
||
|
|
head = turtle.Turtle()
|
||
|
|
head.shape("square")
|
||
|
|
head.color("black")
|
||
|
|
head.penup()
|
||
|
|
head.goto(0, 0)
|
||
|
|
head.direction = "stop"
|
||
|
|
|
||
|
|
# 创建食物
|
||
|
|
food = turtle.Turtle()
|
||
|
|
food.shape("circle")
|
||
|
|
food.color("red")
|
||
|
|
food.penup()
|
||
|
|
food.goto(100, 100)
|
||
|
|
|
||
|
|
# 创建蛇的身体
|
||
|
|
segments = []
|
||
|
|
|
||
|
|
# 设置得分
|
||
|
|
score = 0
|
||
|
|
high_score = 0
|
||
|
|
|
||
|
|
# 记分板
|
||
|
|
pen = turtle.Turtle()
|
||
|
|
pen.hideturtle()
|
||
|
|
pen.penup()
|
||
|
|
pen.goto(0, 260)
|
||
|
|
pen.write("得分: 0 最高得分: 0", align="center", font=("Arial", 18, "normal"))
|
||
|
|
|
||
|
|
# 控制方向的函数
|
||
|
|
def go_up():
|
||
|
|
if head.direction != "down":
|
||
|
|
head.direction = "up"
|
||
|
|
|
||
|
|
def go_down():
|
||
|
|
if head.direction != "up":
|
||
|
|
head.direction = "down"
|
||
|
|
|
||
|
|
def go_left():
|
||
|
|
if head.direction != "right":
|
||
|
|
head.direction = "left"
|
||
|
|
|
||
|
|
def go_right():
|
||
|
|
if head.direction != "left":
|
||
|
|
head.direction = "right"
|
||
|
|
|
||
|
|
# 移动函数
|
||
|
|
def move():
|
||
|
|
if head.direction == "up":
|
||
|
|
head.sety(head.ycor() + 20)
|
||
|
|
if head.direction == "down":
|
||
|
|
head.sety(head.ycor() - 20)
|
||
|
|
if head.direction == "left":
|
||
|
|
head.setx(head.xcor() - 20)
|
||
|
|
if head.direction == "right":
|
||
|
|
head.setx(head.xcor() + 20)
|
||
|
|
|
||
|
|
# 键盘绑定
|
||
|
|
screen.listen()
|
||
|
|
screen.onkey(go_up, "Up")
|
||
|
|
screen.onkey(go_down, "Down")
|
||
|
|
screen.onkey(go_left, "Left")
|
||
|
|
screen.onkey(go_right, "Right")
|
||
|
|
|
||
|
|
# 主游戏循环
|
||
|
|
while True:
|
||
|
|
screen.update()
|
||
|
|
|
||
|
|
# 碰撞边界
|
||
|
|
if abs(head.xcor()) > 290 or abs(head.ycor()) > 290:
|
||
|
|
time.sleep(1)
|
||
|
|
head.goto(0, 0)
|
||
|
|
head.direction = "stop"
|
||
|
|
|
||
|
|
for segment in segments:
|
||
|
|
segment.goto(1000, 1000)
|
||
|
|
segments.clear()
|
||
|
|
score = 0
|
||
|
|
pen.clear()
|
||
|
|
pen.write(f"得分: {score} 最高得分: {high_score}", align="center", font=("Arial", 18, "normal"))
|
||
|
|
|
||
|
|
# 吃到食物
|
||
|
|
if head.distance(food) < 20:
|
||
|
|
# 随机移动食物
|
||
|
|
x = random.randint(-14, 14) * 20
|
||
|
|
y = random.randint(-14, 14) * 20
|
||
|
|
food.goto(x, y)
|
||
|
|
|
||
|
|
# 增加身体
|
||
|
|
new_segment = turtle.Turtle()
|
||
|
|
new_segment.shape("square")
|
||
|
|
new_segment.color("gray")
|
||
|
|
new_segment.penup()
|
||
|
|
segments.append(new_segment)
|
||
|
|
|
||
|
|
# 更新分数
|
||
|
|
score += 10
|
||
|
|
if score > high_score:
|
||
|
|
high_score = score
|
||
|
|
pen.clear()
|
||
|
|
pen.write(f"得分: {score} 最高得分: {high_score}", align="center", font=("Arial", 18, "normal"))
|
||
|
|
|
||
|
|
# 移动身体部分
|
||
|
|
for i in range(len(segments) - 1, 0, -1):
|
||
|
|
x = segments[i - 1].xcor()
|
||
|
|
y = segments[i - 1].ycor()
|
||
|
|
segments[i].goto(x, y)
|
||
|
|
if segments:
|
||
|
|
segments[0].goto(head.xcor(), head.ycor())
|
||
|
|
|
||
|
|
move()
|
||
|
|
|
||
|
|
# 蛇碰到自己
|
||
|
|
for segment in segments:
|
||
|
|
if head.distance(segment) < 20:
|
||
|
|
time.sleep(1)
|
||
|
|
head.goto(0, 0)
|
||
|
|
head.direction = "stop"
|
||
|
|
|
||
|
|
for segment in segments:
|
||
|
|
segment.goto(1000, 1000)
|
||
|
|
segments.clear()
|
||
|
|
score = 0
|
||
|
|
pen.clear()
|
||
|
|
pen.write(f"得分: {score} 最高得分: {high_score}", align="center", font=("Arial", 18, "normal"))
|
||
|
|
|
||
|
|
time.sleep(0.1)
|