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使用python game写一个贪吃蛇游戏


前言

最近在用python 做项目,也想对python有多一些了解,之前有用C语言和C++写过python游戏,刚好可以通过这个游戏来对python多一些了解。


pygame 介绍

pygame是一个利用SDK库编写的游戏库,SDL全名是Simple DirectMediaLayer,SDK是用C编写的,不过也可以用C++开发,很多很多人已经加入pygame中,pygame会越来越好。

pygame链接地址


www.pygame.org


pygame安装方式


pip install pygame


使用pygame创建一个窗体

import pygame
pygame.init()
dis=pygame.display.set_mode((400,300))
pygame.display.update()
pygame.quit()
quit()

上面的代码会直接一闪而过,如果想看到窗体,如果加点调试

import pygame
pygame.init()
dis=pygame.display.set_mode((400,300))
pygame.display.update()
pygame.display.set_caption('Snake game by Edureka')
game_over=False
while not game_over:
for event in pygame.event.get():
print(event) #prints out all the actions that take place on the screen

pygame.quit()
quit()

输出

使用python game写一个贪吃蛇游戏_pygame

​update​​​函数是用来接收窗体的触发事件,比如点击窗体,按键响应等等。还有一个类似的函数是​​filp()​

上面的代码可以看到窗体,鼠标点击滑动也能收到事件,但是点击关闭窗体并没有响应,因为我们代码里面没有接收这个事件,修改代码如下。

import pygame
pygame.init()
dis=pygame.display.set_mode((400,300))
pygame.display.update()
pygame.display.set_caption('Snake game by Edureka')
game_over=False
while not game_over:
for event in pygame.event.get():
if event.type==pygame.QUIT:
game_over=True

pygame.quit()
quit()

创建一个贪吃蛇的基础模块

代码如下,这个部分代码比较简单,可以看到一个简单的贪吃蛇颜色块

import pygame
pygame.init()
dis=pygame.display.set_mode((400,300))

pygame.display.set_caption('Snake game by Edureka')

blue=(0,0,255)
red=(255,0,0)

game_over=False
while not game_over:
for event in pygame.event.get():
if event.type==pygame.QUIT:
game_over=True
pygame.draw.rect(dis,blue,[200,150,10,10])
pygame.display.update()
pygame.quit()
quit()

使用python game写一个贪吃蛇游戏_python_02

让贪吃蛇可以随着按键控制移动

import pygame

pygame.init()

white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)

dis = pygame.display.set_mode((800, 600))
pygame.display.set_caption('Snake Game by Edureka')

game_over = False

x1 = 300
y1 = 300

x1_change = 0
y1_change = 0

clock = pygame.time.Clock()

while not game_over:
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -10
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = 10
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -10
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = 10
x1_change = 0

x1 += x1_change
y1 += y1_change
dis.fill(white)
pygame.draw.rect(dis, black, [x1, y1, 10, 10])

pygame.display.update()

clock.tick(30)

pygame.quit()
quit()

动图如下:

墙壁撞击检测

import pygame
import time
pygame.init()

white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)

dis_width = 800
dis_height = 600
dis = pygame.display.set_mode((dis_width, dis_width))
pygame.display.set_caption('Snake Game by Edureka')

game_over = False

x1 = dis_width/2
y1 = dis_height/2

snake_block=10

x1_change = 0
y1_change = 0

clock = pygame.time.Clock()
snake_speed=30

font_style = pygame.font.SysFont(None, 50)

def message(msg,color):
mesg = font_style.render(msg, True, color)
dis.blit(mesg, [dis_width/2, dis_height/2])

while not game_over:
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -snake_block
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = snake_block
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -snake_block
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = snake_block
x1_change = 0

if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
game_over = True

x1 += x1_change
y1 += y1_change
dis.fill(white)
pygame.draw.rect(dis, black, [x1, y1, snake_block, snake_block])

pygame.display.update()

clock.tick(snake_speed)

message("You lost",red)
pygame.display.update()
time.sleep(2)

pygame.quit()
quit()

使用python game写一个贪吃蛇游戏_游戏_04

给贪吃蛇添加食物

import pygame
import time
import random

pygame.init()

white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
blue = (0, 0, 255)

dis_width = 800
dis_height = 600

dis = pygame.display.set_mode((dis_width, dis_height))
pygame.display.set_caption('Snake Game by Edureka')

clock = pygame.time.Clock()

snake_block = 10
snake_speed = 30

font_style = pygame.font.SysFont(None, 30)


def message(msg, color):
mesg = font_style.render(msg, True, color)
dis.blit(mesg, [dis_width/3, dis_height/3])


def gameLoop(): # creating a function
game_over = False
game_close = False

x1 = dis_width / 2
y1 = dis_height / 2

x1_change = 0
y1_change = 0

foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0

while not game_over:

while game_close == True:
dis.fill(white)
message("You Lost! Press Q-Quit or C-Play Again", red)
pygame.display.update()

for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_over = True
game_close = False
if event.key == pygame.K_c:
gameLoop()

for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -snake_block
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = snake_block
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -snake_block
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = snake_block
x1_change = 0

if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
game_close = True

x1 += x1_change
y1 += y1_change
dis.fill(white)
pygame.draw.rect(dis, blue, [foodx, foody, snake_block, snake_block])
pygame.draw.rect(dis, black, [x1, y1, snake_block, snake_block])
pygame.display.update()

if x1 == foodx and y1 == foody:
print("Yummy!!")
clock.tick(snake_speed)

pygame.quit()
quit()


gameLoop()

使用python game写一个贪吃蛇游戏_python_05

如果贪吃蛇吃到食物的话,就会输出打印消息​​Yummy!!​​.

如果贪吃蛇碰到食物,让贪吃蛇变长

import pygame
import time
import random

pygame.init()

white = (255, 255, 255)
yellow = (255, 255, 102)
black = (0, 0, 0)
red = (213, 50, 80)
green = (0, 255, 0)
blue = (50, 153, 213)

dis_width = 600
dis_height = 400

dis = pygame.display.set_mode((dis_width, dis_height))
pygame.display.set_caption('Snake Game by Edureka')

clock = pygame.time.Clock()

snake_block = 10
snake_speed = 15

font_style = pygame.font.SysFont("bahnschrift", 25)
score_font = pygame.font.SysFont("comicsansms", 35)

def our_snake(snake_block, snake_list):
for x in snake_list:
pygame.draw.rect(dis, black, [x[0], x[1], snake_block, snake_block])


def message(msg, color):
mesg = font_style.render(msg, True, color)
dis.blit(mesg, [dis_width / 6, dis_height / 3])


def gameLoop():
game_over = False
game_close = False

x1 = dis_width / 2
y1 = dis_height / 2

x1_change = 0
y1_change = 0

snake_List = []
Length_of_snake = 1

foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0

while not game_over:

while game_close == True:
dis.fill(blue)
message("You Lost! Press C-Play Again or Q-Quit", red)

pygame.display.update()

for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_over = True
game_close = False
if event.key == pygame.K_c:
gameLoop()

for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -snake_block
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = snake_block
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -snake_block
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = snake_block
x1_change = 0

if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
game_close = True
x1 += x1_change
y1 += y1_change
dis.fill(blue)
pygame.draw.rect(dis, green, [foodx, foody, snake_block, snake_block])
snake_Head = []
snake_Head.append(x1)
snake_Head.append(y1)
snake_List.append(snake_Head)
if len(snake_List) > Length_of_snake:
del snake_List[0]

for x in snake_List[:-1]:
if x == snake_Head:
game_close = True

our_snake(snake_block, snake_List)


pygame.display.update()

if x1 == foodx and y1 == foody:
foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0
Length_of_snake += 1

clock.tick(snake_speed)

pygame.quit()
quit()


gameLoop()

增加分数显示

import pygame
import time
import random

pygame.init()

white = (255, 255, 255)
yellow = (255, 255, 102)
black = (0, 0, 0)
red = (213, 50, 80)
green = (0, 255, 0)
blue = (50, 153, 213)

dis_width = 600
dis_height = 400

dis = pygame.display.set_mode((dis_width, dis_height))
pygame.display.set_caption('Snake Game by Edureka')

clock = pygame.time.Clock()

snake_block = 10
snake_speed = 15

font_style = pygame.font.SysFont("bahnschrift", 25)
score_font = pygame.font.SysFont("comicsansms", 35)


def Your_score(score):
value = score_font.render("Your Score: " + str(score), True, yellow)
dis.blit(value, [0, 0])



def our_snake(snake_block, snake_list):
for x in snake_list:
pygame.draw.rect(dis, black, [x[0], x[1], snake_block, snake_block])


def message(msg, color):
mesg = font_style.render(msg, True, color)
dis.blit(mesg, [dis_width / 6, dis_height / 3])


def gameLoop():
game_over = False
game_close = False

x1 = dis_width / 2
y1 = dis_height / 2

x1_change = 0
y1_change = 0

snake_List = []
Length_of_snake = 1

foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0

while not game_over:

while game_close == True:
dis.fill(blue)
message("You Lost! Press C-Play Again or Q-Quit", red)
Your_score(Length_of_snake - 1)
pygame.display.update()

for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_over = True
game_close = False
if event.key == pygame.K_c:
gameLoop()

for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -snake_block
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = snake_block
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -snake_block
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = snake_block
x1_change = 0

if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
game_close = True
x1 += x1_change
y1 += y1_change
dis.fill(blue)
pygame.draw.rect(dis, green, [foodx, foody, snake_block, snake_block])
snake_Head = []
snake_Head.append(x1)
snake_Head.append(y1)
snake_List.append(snake_Head)
if len(snake_List) > Length_of_snake:
del snake_List[0]

for x in snake_List[:-1]:
if x == snake_Head:
game_close = True

our_snake(snake_block, snake_List)
Your_score(Length_of_snake - 1)

pygame.display.update()

if x1 == foodx and y1 == foody:
foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0
Length_of_snake += 1

clock.tick(snake_speed)

pygame.quit()
quit()


gameLoop()

最终的效果动图



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