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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