Pygame代碼?制作一個貪吃蛇小游戲

用到的 Pygame 函數(shù)
貪吃蛇小游戲用到的函數(shù)
| 功能 | 描述 |
|---|---|
| init() | 初始化 pygame |
| display.set_mode() | 以元組或列表為參數(shù)創(chuàng)建窗口 |
| update() | 更新屏幕 |
| quit() | 用于取消初始化的 pygame |
| set_caption() | 在屏幕的頂部設(shè)置文字 |
| event.get() | 返回所有事件的列表 |
| Surface.fill() | 使用純色填充屏幕 |
| time.Clock() | 追蹤時間 |
| font.Font() | 設(shè)置字體 |
創(chuàng)建屏幕
我們使用函數(shù) display.set_mode() 來創(chuàng)建 pygame 窗口,同時我們還要在程序的開始和結(jié)尾處進行 init() 和 quit() 函數(shù),以保證程序可以正確開始和結(jié)束。
import pygame pygame.init() dis=pygame.display.set_mode((400,300)) pygame.display.update() pygame.quit() quit()
這要我們運行程序,就可以得到如下:

但是這要的代碼,我們的程序創(chuàng)建只會一閃而過,下面我們增加一些代碼,來保持住程序窗口
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) # 打印出所有事件
pygame.quit()
quit()
我們增加了游戲窗口的名稱,同時還可以在 Python 控制臺中看到我們在 pygame 窗口上操作時的所有事件

下面我們來增加關(guān)閉響應(yīng)事件
pygame.init()
dis = pygame.display.set_mode((400, 300))
pygame.display.update()
pygame.display.set_caption('貪吃蛇')
game_over = False
while not game_over:
for event in pygame.event.get():
if event.type==pygame.QUIT:
game_over=True
pygame.quit()
quit()
至此我們的游戲窗口就設(shè)置好了,下面就可以來畫 snake 了
創(chuàng)建 snake
我們首先創(chuàng)建一些顏色變量,用來表示 snake,food,screen 等
pygame.init()
dis = pygame.display.set_mode((400, 300))
pygame.display.update()
pygame.display.set_caption('貪吃蛇')
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()

這樣,一只(條)貪吃蛇就創(chuàng)建完成了,就是那個小藍點兒
使 snake 動起來
為了實現(xiàn) snake 的移動,我們需要用到的關(guān)鍵事件是 KEYDOWN,它包含四個 key 值,K_UP, K_DOWN, K_LEFT, 和 K_RIGHT,分別表示向上、向下、向左和向右
pygame.init()
pygame.display.set_caption('貪吃蛇')
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
dis = pygame.display.set_mode((800, 600))
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()
我這里創(chuàng)建了 x1_change 和 y1_change 變量來更新 x 和 y 坐標,使得我們的 snake 可以移動起來
處理 Game Over
對于貪吃蛇游戲來說,如果 snake 移動出了游戲屏幕,那么游戲就已經(jīng)失敗了,下面我們就來處理這部分邏輯
import pygame
import time
pygame.init()
pygame.display.set_caption('貪吃蛇')
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
dis_width = 600
dis_height = 400
dis = pygame.display.set_mode((dis_width, dis_width))
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.Font("C:/Windows/Fonts/STFANGSO.TTF", 20)
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("你失敗了,請重新開始游戲!", red)
pygame.display.update()
time.sleep(2)
pygame.quit()
quit()

增加食物
既然是貪吃蛇,當然要投食了,下面我們就來處理食物
import pygame
import time
import random
pygame.init()
pygame.display.set_caption('貪吃蛇')
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))
clock = pygame.time.Clock()
snake_block = 10
snake_speed = 30
font_style = pygame.font.Font("C:/Windows/Fonts/STFANGSO.TTF", 20)
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("你失敗了,請重新開始游戲!", 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("Good!")
clock.tick(snake_speed)
pygame.quit()
quit()
gameLoop()
我這里創(chuàng)建了一個函數(shù) gameLoop 作為我們的主函數(shù),同時還初始化了 snake 的食物,還同時增加了鍵盤 c 和 q 關(guān)鍵字,來重新開始游戲和退出游戲

snake 的成長
下面我們就開始在 snake 吃掉食物之后,增加 snake 的長度,這也是游戲的基本規(guī)則
import pygame
import time
import random
pygame.init()
pygame.display.set_caption('貪吃蛇')
font_style = pygame.font.Font("C:/Windows/Fonts/STFANGSO.TTF", 20)
score_font = pygame.font.Font("C:/Windows/Fonts/STCAIYUN.TTF", 30)
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))
clock = pygame.time.Clock()
snake_block = 10
snake_speed = 15
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("你失敗了,請重新開始游戲!", 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()

展示得分
最后我們來顯示得分,畢竟對于游戲來說,玩家的得分還是很重要的
import pygame
import time
import random
pygame.init()
pygame.display.set_caption('貪吃蛇')
font_style = pygame.font.Font("C:/Windows/Fonts/STFANGSO.TTF", 20)
score_font = pygame.font.Font("C:/Windows/Fonts/STCAIYUN.TTF", 30)
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))
clock = pygame.time.Clock()
snake_block = 10
snake_speed = 15
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("你失敗了,請重新開始游戲!", 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()
這里創(chuàng)建了一個 Your_score 函數(shù)來記錄玩家得分

這樣,我們就完成了一個簡易的貪吃蛇小游戲了
最后的最后,我們再給游戲添加音樂背景,讓游戲的時光更加愜意吧
# 播放音樂 pygame.init() pygame.mixer.music.load(r"Game.mp3") pygame.mixer.music.play()
到此這篇關(guān)于100行Pygame代碼 制作一個貪吃蛇小游戲的文章就介紹到這了,更多相關(guān)Pygame制作一個貪吃蛇小游戲內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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