PYTHON写一个贪吃蛇
时间: 2024-01-08 17:02:18 浏览: 203
python语言实现贪吃蛇游戏
抱歉,我是一名AI语言模型,无法编写实际的代码,但我可以给您提供一个Python贪吃蛇的基本思路和代码框架。您可以根据自己的需求和水平进行修改和完善。
代码框架:
1. 导入必要的模块和库
2. 定义游戏窗口和画布
3. 定义贪吃蛇类及其属性和方法
4. 定义食物类及其属性和方法
5. 定义游戏主循环,包括:
- 监听键盘事件,控制贪吃蛇移动方向
- 判断贪吃蛇是否撞墙、撞自己或吃到食物
- 更新贪吃蛇位置和长度,以及食物位置
- 重绘游戏画布
- 控制游戏速度和结束条件
6. 启动游戏
基本思路:
1. 定义贪吃蛇类及其属性和方法
- 属性:位置、长度、移动方向
- 方法:移动、增长、判断是否撞墙、撞自己或吃到食物
2. 定义食物类及其属性和方法
- 属性:位置
- 方法:生成随机位置
3. 定义游戏主循环,包括:
- 监听键盘事件,控制贪吃蛇移动方向
- 判断贪吃蛇是否撞墙、撞自己或吃到食物
- 更新贪吃蛇位置和长度,以及食物位置
- 重绘游戏画布
- 控制游戏速度和结束条件
4. 启动游戏
参考代码:
```
import pygame
import random
# 初始化pygame
pygame.init()
# 窗口大小
WIDTH = 400
HEIGHT = 400
# 颜色
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
RED = (255, 0, 0)
# 设置游戏窗口和画布
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption('Snake Game')
# 定义贪吃蛇类
class Snake:
def __init__(self):
self.length = 1
self.positions = [(WIDTH/2, HEIGHT/2)]
self.direction = random.choice([UP, DOWN, LEFT, RIGHT])
self.color = GREEN
def get_head_position(self):
return self.positions[0]
def turn(self, point):
if self.length > 1 and (point[0]*-1, point[1]*-1) == self.direction:
return
else:
self.direction = point
def move(self):
cur = self.get_head_position()
x, y = self.direction
new = ((cur[0] + (x*GRID_SIZE)), (cur[1] + (y*GRID_SIZE)))
if new in self.positions[2:]:
self.reset()
else:
self.positions.insert(0, new)
if len(self.positions) > self.length:
self.positions.pop()
def reset(self):
self.length = 1
self.positions = [(WIDTH/2, HEIGHT/2)]
self.direction = random.choice([UP, DOWN, LEFT, RIGHT])
def draw(self, surface):
for p in self.positions:
r = pygame.Rect((p[0], p[1]), (GRID_SIZE, GRID_SIZE))
pygame.draw.rect(surface, self.color, r)
pygame.draw.rect(surface, BLACK, r, 1)
# 定义食物类
class Food:
def __init__(self):
self.position = (0, 0)
self.color = RED
self.randomize_position()
def randomize_position(self):
self.position = (random.randint(0, GRID_WIDTH-1)*GRID_SIZE, random.randint(0, GRID_HEIGHT-1)*GRID_SIZE)
def draw(self, surface):
r = pygame.Rect((self.position[0], self.position[1]), (GRID_SIZE, GRID_SIZE))
pygame.draw.rect(surface, self.color, r)
pygame.draw.rect(surface, BLACK, r, 1)
# 定义游戏主循环
def main():
pygame.display.set_caption('Snake Game')
clock = pygame.time.Clock()
snake = Snake()
food = Food()
while True:
clock.tick(10) # 控制游戏速度
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
snake.turn(UP)
elif event.key == pygame.K_DOWN:
snake.turn(DOWN)
elif event.key == pygame.K_LEFT:
snake.turn(LEFT)
elif event.key == pygame.K_RIGHT:
snake.turn(RIGHT)
snake.move()
if snake.get_head_position() == food.position:
snake.length += 1
food.randomize_position()
screen.fill(WHITE)
snake.draw(screen)
food.draw(screen)
pygame.display.update()
# 判断游戏结束条件
if snake.get_head_position()[0] < 0 or snake.get_head_position()[0] > WIDTH-GRID_SIZE:
snake.reset()
elif snake.get_head_position()[1] < 0 or snake.get_head_position()[1] > HEIGHT-GRID_SIZE:
snake.reset()
# 启动游戏
if __name__ == '__main__':
UP = (0, -1)
DOWN = (0, 1)
LEFT = (-1, 0)
RIGHT = (1, 0)
GRID_SIZE = 20
GRID_WIDTH = WIDTH / GRID_SIZE
GRID_HEIGHT = HEIGHT / GRID_SIZE
main()
```
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