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【作品展示】

 

【作品介绍】

控制台版本的贪吃蛇，必须在命令行里运行。

 

【作品源代码】

import time
import os
import sys
import keyboard
import random

UP = -2
DOWN = 2
LEFT = -1
RIGHT = 1

XXS = 32
YYS = 16

snake_len = 4
snake_x = [3,2,1,0]
snake_y = [5,5,5,5]

food_x = 0
food_y = 0


old_direction = RIGHT
direction = RIGHT
eat = 0
direction_change = 0
key_get = 0
snake_cross = 0

mat = []

def clear():
    os.system('cls')
    
def init_snake():
    global mat
    mat = [['  ']*YYS for i in range(XXS)]
    
def print_snake():
    global food_x, food_y, snake_cross

    clear()
    init_snake()
    for l in range(snake_len,0,-1):
        x = snake_x[l-1]
        y = snake_y[l-1]
        if l==1 and mat[x][y]=='蛇':
            snake_cross = 1
        mat[x][y] = '蛇'
        
    mat[food_x][food_y] = '豆'
    for i in range(YYS):
        for j in range(XXS):
            print(mat[j][i],end='')
        print('|')
    print('--' * XXS)

    
def flash_snake():
    global direction, old_direction, direction_change
    
    for l in range(snake_len-1,0,-1):
        snake_x[l] = snake_x[l-1]
        snake_y[l] = snake_y[l-1]

    if direction != -old_direction:
        
        if direction == UP:
            
            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]-1
        elif direction == DOWN:
            
            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]+1
        elif direction == LEFT:
            
            snake_x[0] = snake_x[1]-1
            snake_y[0] = snake_y[1]
        elif direction == RIGHT:
            
            snake_x[0] = snake_x[1]+1
            snake_y[0] = snake_y[1]
        old_direction = direction
    else:
        direction = old_direction
        if direction == UP:
            
            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]-1
        elif direction == DOWN:
            
            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]+1
        elif direction == LEFT:
            
            snake_x[0] = snake_x[1]-1
            snake_y[0] = snake_y[1]
        elif direction == RIGHT:
            
            snake_x[0] = snake_x[1]+1
            snake_y[0] = snake_y[1]
        direction_change = 0

'''     
    elif direction == 0:
        
        if old_direction == UP:

            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]-1
        elif old_direction == DOWN:

            snake_x[0] = snake_x[1]
            snake_y[0] = snake_y[1]+1
        elif old_direction == LEFT:

            snake_x[0] = snake_x[1]-1
            snake_y[0] = snake_y[1]
        elif old_direction == RIGHT:

            snake_x[0] = snake_x[1]+1
            snake_y[0] = snake_y[1]
'''    

def snake_key_get(e):
    global direction, old_direction,key_get,direction_change
    if(key_get == 1):
        for key in keyboard._pressed_events:
            if key == 72:
                direction = UP
                direction_change = 1

                return
            elif key == 80:
                direction = DOWN
                direction_change = 1
        
                return
            elif key == 75:
                direction = LEFT
                direction_change = 1
        
                return
            elif key == 77:
                direction = RIGHT
                direction_change = 1
        
                return
            else:
                pass


def flash_food():
    global food_x, food_y
    food_x = random.randint(1, XXS-2)
    food_y = random.randint(1, YYS-2)
    while mat[food_x][food_y] == '蛇' or mat[food_x][food_y] == '豆':
        food_x = random.random(1, XXS-2)
        food_y = random.random(1, YYS-2)
    
    
def eat_food():
    global food_x, food_y, snake_len
    if snake_x[0]==food_x and snake_y[0]==food_y:
        snake_x.append(snake_x[-1])
        snake_y.append(snake_y[-1])
        snake_len+=1
        return True
    return False

keyboard.hook(snake_key_get)
    
init_snake()
flash_food()
print_snake()

while(True):

    if snake_cross == 1:
        print("打结了")
        break
    if eat == 1:
        print("吃到了")
    snake_cross = 0
    if direction_change != 0 or eat != 0:
        direction_change = 0
        key_get = 1
        time.sleep(0.3)
    else:
        direction_change = 0
        key_get = 1
        time.sleep(1)

    key_get = 0
    
    
    eat = 0
    flash_snake()
    

    if snake_x[0] >= XXS or snake_x[0] < 0:
        print("碰壁了")
        break
    if snake_y[0]>=YYS or snake_y[0]<0:
        print("碰壁了")
        break
    if eat_food():
        flash_food()
        eat = 1
    
    print_snake()
    
    
input('回车结束')

 

【提示】

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https://python.codemao.cn