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【作品展示】

 

【作品介绍】

贪吃蛇

 

【作品源代码】

import pgzrun
from random import *
size = 20
HEIGHT = size * 100
WIDTH = size * 50
x = 0
snake_head = [15,15]
snake_body = [[15,15],[15,16],[15,17]]
food = [randint(1, 24), randint(1, 24)]
game_state = "ready"


direction = "up"
def draw():
    global snake_head,snake_body
    if game_state == "ready":
        screen.fill("red")
        for body in snake_body:
            screen.draw.filled_rect(
                Rect((250, body[1] * size), (size, size)), "green")
            screen.draw.filled_rect(Rect((snake_head[0] * size,snake_head[1] * size),(size,size)),"black")
            screen.draw.text("Snakes Subsonic",center = (250,100),color = "black" ,fontsize = 50)
            screen.draw.text("Press Space To Start",center = (250,150),color = "black",fontsize = 24)
    if game_state == "play":
        screen.clear()
        screen.fill("green")
        for body in snake_body:
            screen.draw.filled_rect(Rect((body[0] * size, body[1] * size),(size,size)), "black")
        screen.draw.filled_rect(Rect((snake_head[0] * size,snake_head[1] * size),(size,size)),"black")
        screen.draw.filled_rect(Rect((food[0] * size, food[1] * size), (size, size)), randint(0, 255))
    if game_state == "end":
        screen.clear()
        screen.fill("green")
        screen.draw.text("Your final length:%.0f"%x,center = (250,350),color = "black" ,fontsize = 80)


def update():
    global direction,game_state,x,snake_head,snake_body
    if game_state == "ready":           
        if keyboard.space:
            game_state = "play"
    if game_state == "play":
        if keyboard.w and direction != "down":
            direction = "up"
        if keyboard.a and direction != "right":
            direction = "left"
        if keyboard.s and direction != "up":
            direction = "down"
        if keyboard.d and direction != "left":
            direction = "right"
    if game_state == "end":
        snake_head = [15,15]
        snake_body = [[15,15],[15,16],[15,17]]
        if keyboard.space:
            game_state = "play"
            x = 0
                
def move():
    global food,x,game_state
    if game_state == "play":
        if direction == "up":
            snake_head[1] -= 1
        if direction == "down":
            snake_head[1] += 1
        if direction == "left":
            snake_head[0] -= 1
        if direction == "right":
            snake_head[0] += 1

        if snake_head == food:
            food = [randint(1, 24),randint(1, 24)]
            x += 1
        else:
            snake_body.pop()
        snake_body.insert(0, list(snake_head))
        if snake_head in snake_body[1:]:
            game_state = "end"
        if snake_head[0] * size < 0 or snake_head[1] * size < 0 or snake_head[0] * size > WIDTH or snake_head[1] * size > HEIGHT:
            game_state = "end"
clock.schedule_interval(move,0.2)
pgzrun.go()

 

【提示】

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