失眠网 > PYTHON pygame库实战——实现双人弹球小游戏

PYTHON pygame库实战——实现双人弹球小游戏

时间：2021-08-22 16:03:15

PYTHON pygame实战——运用pygame库实现双人弹球小游戏

使用python pygame库实现一个双人弹球小游戏，两人分别控制一个左右移动的挡板用来拦截小球，小球会在两板间不停弹跳，拦截失败的一方输掉游戏，规则类似于简化版的乒乓球~~

因为是第一次用pygame写python小游戏并且只用了两三个小时，所以有些粗糙，部分方面有些bug，比如板子可以移动出屏幕外，游戏结束后的提示显示不全~~

但是关键部分如小球的移动和基本功能等，还算比较完善~~

代码如下：

运行环境为python 3.7，需要安装pygame库

import pygame,sys,time,randomfrom pygame.locals import *# 定义颜色变量redColour = pygame.Color(255,0,0)blackColour = pygame.Color(0,0,0)whiteColour = pygame.Color(255,255,255)greyColour = pygame.Color(150,150,150)# 定义gameOver函数def gameOver(playSurface,board):gameOverFont = pygame.font.Font('C:\Windows\Fonts\consola.ttf',72)if board[0][1]==0:gameOverSurf = gameOverFont.render('board_2 win!', True, greyColour)if board[0][1]==460:gameOverSurf = gameOverFont.render('board_1 win!', True, greyColour)gameOverRect = gameOverSurf.get_rect()gameOverRect.midtop = (320, 10)playSurface.blit(gameOverSurf, gameOverRect)againFont = pygame.font.Font('C:\Windows\Fonts\consola.ttf',24)againSurf = gameOverFont.render('Do you want to try again? y/n', True, whiteColour)againRect=againSurf.get_rect()againRect.midtop=(20,100)playSurface.blit(againSurf, againRect)pygame.display.flip()time.sleep(3)for event in pygame.event.get():if event.key == ord("y"):main()if event.key==ord("n"):pygame.quit()sys.exit()pygame.quit()sys.exit()# 定义main函数def main():# 初始化pygamepygame.init()fpsClock = pygame.time.Clock()# 创建pygame显示层playSurface = pygame.display.set_mode((640,480))pygame.display.set_caption('ping pang ball')# 初始化变量#两块板子为5块正方形组成的矩形,小球为1块正方形，正方形大小为20x20board_1 = [[100,0],[120,0],[140,0],[160,0],[180,0]] board_2 = [[100,460],[120,460],[140,460],[160,460],[180,460]]ball = [100,100]direction=3 #控制小球X轴的移动方向及速度 direction_x=0 #判断小球沿X轴正向还是反向移动 0反向 1正向，2没有速度direction_y=1 #控制小球Y轴的移动方向及速度 0反向，1正向# 检测例如按键等pygame事件while True:for event in pygame.event.get():if event.type == QUIT:pygame.quit()sys.exit()elif event.type == KEYDOWN:# 判断键盘事件控制板子移动if event.key == K_RIGHT:for i in board_1:i[0]+=20if event.key == K_LEFT:for i in board_1:i[0]-=20if event.key == ord("a"):for i in board_2:i[0]-=20if event.key == ord("d"):for i in board_2:i[0]+=20if event.key == K_ESCAPE:pygame.event.post(pygame.event.Event(QUIT))# 判断小球击中board_1的位置，范围为板子的左角到右角if ball[1] == board_1[0][1]+20 and board_1[0][0]-20<=ball[0]<=board_1[4][0]+20:direction_y=1 #若击中板子，则Y轴方向正向移动#判断小球击中板子左角的状态，如果小球击中板子左角并且移动方向为正向，则：if ball[0]==board_1[0][0]-20 and direction_x==1:direction=0 #设此刻方向改为0#如果小球击中板子左数第一块，则：if ball[0]==board_1[0][0]:direction=1 #设此刻方向改为1#如果小球击中板子左数第二块，则：if ball[0]==board_1[1][0]:direction=2 #设此刻方向改为2#如果小球击中板子正中间，则：if ball[0]==board_1[2][0]:direction=3 #设此刻方向改为3#如果小球击中板子左数第四块，则：if ball[0]==board_1[3][0]:direction=4 #设此刻方向改为4#如果小球击中板子左数第五块，则：if ball[0]==board_1[4][0]:direction=5 #设此刻方向改为5#如果小球击中板子右角并且移动方向为反向：if ball[0]==board_1[4][0]+20 and direction_x==0:direction=6 #设此刻方向改为6#如果小球击中板子两角但是没有速度，即竖直移动if direction_x==2 and (ball[0]==board_1[0][0]-20 or ball[0]==board_1[4][0]+20):direction_y=0 #设此刻Y轴方向改为0#判断小球击中board_2的位置，与击中board_1时相比只改变Y轴的方向，X轴不变 if ball[1]==board_2[0][1]-20 and board_2[0][0]-20<=ball[0]<=board_2[4][0]+20:direction_y=0if ball[0]==board_2[0][0]-20 and direction_x==1:direction=0if ball[0]==board_2[0][0]:direction=1if ball[0]==board_2[1][0]:direction=2if ball[0]==board_2[2][0]:direction=3if ball[0]==board_2[3][0]:direction=4if ball[0]==board_2[4][0]:direction=5if ball[0]==board_2[4][0]+20 and direction_x==0:direction=6if direction_x==2 and (ball[0]==board_2[0][0]-20 or ball[0]==board_2[4][0]+20):direction_y=1if ball[0]<=0:direction=4if ball[0]>=620:direction=2#设置小球Y轴的移动速度if direction_y==0: ball[1]-=20if direction_y==1:ball[1]+=20#设置小球X轴的移动速度,X,Y轴速度的改变形成角度if direction==0:ball[0]-=40direction_x=0if direction==1:ball[0]-=40direction_x=0if direction==2:ball[0]-=20direction_x=0if direction==3:direction_x=2if direction==4:ball[0]+=20direction_x=1if direction==5:ball[0]+=40direction_x=1 if direction==6:ball[0]+=40direction_x=1# 绘制pygame显示层playSurface.fill(blackColour)pygame.draw.rect(playSurface,whiteColour,Rect(board_1[0],(100,20)))pygame.draw.rect(playSurface,whiteColour,Rect(board_2[0],(100,20)))pygame.draw.rect(playSurface,redColour,Rect(ball,(20,20)))# 刷新pygame显示层pygame.display.flip()# 判断胜利if ball[1]==board_1[0][1] and (ball[0]<board_1[0][0] or ball[0]>board_1[4][0]):gameOver(playSurface,board_1)if ball[1]==board_2[0][1] and (ball[0]<board_2[0][0] or ball[0]>board_2[4][0]):gameOver(playSurface,board_2)# 控制游戏速度fpsClock.tick(5)if __name__ == "__main__":main()