Python 2D双人乒乓球小游戏

用pygame模块制作的双人乒乓小游戏。在程序中有拍子类，有球类，有玩家类，有碰撞检测等等。下面是部分代码预览：

"""
   2D双人乒乓球小游戏
"""
__author__ = '李兴球'
__date__ = '2019年3月30日'

import random
import pygame
from pygame.locals import *

class Ball(pygame.sprite.Sprite):
    """球类,继承自Sprite类"""
    def __init__(self,image,screen):
        """image:球图"""
        
    def update(self):
        """更新小球的移动"""
    
    
class Bat(pygame.sprite.Sprite):
    """拍子类"""
        
class Player(pygame.sprite.Sprite):
    """玩家类"""
        
def collide_check(ball,bat_up,bat_down,player_up,player_down,scorefont):
    """球碰到球拍的碰撞检测"""
               
def game_over_check(ball,height,蓝方赢,红方赢):
    """游戏结束检测,球的速度会越来越快，小球超出上边界，则下方赢，反之上方赢"""
    global end_string,game_over
    .......................

def main():
    """主要函数"""
    global collide_delay_counter,game_over,end_string,up_score_string,down_score_string
    width,height = 500,800
    pygame.init()
    screen = pygame.display.set_mode((width,height))
    pygame.display.set_caption("2D双人乒乓球小游戏")

    background = pygame.image.load("场地.png")

    Referee = pygame.image.load("cp.png")    # 裁判
    up_score_string = pygame.Surface((0,0))
    down_score_string = pygame.Surface((0,0))
    collide_delay_counter = 0                # 防止重复碰撞的变量    

    images_bat = "蓝拍右.png","红拍左.png"
    images_bat = [ pygame.image.load(image) for image in images_bat]    

    images_player = "人右.png","人左.png"
    images_player = [ pygame.image.load(image) for image in images_player]

    image_ball = pygame.image.load("ball2.png")
    # 生成球
    ball = Ball(image_ball,screen) 
    
    # 下玩家建立
    keys = [K_UP,K_DOWN,K_LEFT,K_RIGHT]
    position = (width//2,height-50)
    player_down = Player(images_player[0],keys,position)

    # 上玩家建立
    keys = [K_w,K_s,K_a,K_d]
    position = (width//2, 50)
    player_up = Player(images_player[1],keys,position)

    # 下拍子建立
    bat_down = Bat(images_bat[0],player_down,1)
    # 上拍子建立
    bat_up = Bat(images_bat[1],player_up,-1)         

    myfont = pygame.font.Font("msyh.ttf",32)
    scorefont = pygame.font.Font("msyh.ttf",22)
    蓝方赢 = myfont.render("蓝方赢",True,(5,0,255))
    红方赢 = myfont.render("红方赢",True,(205,0,5))
    end_string = ""
    game_over = False
    
    clock = pygame.time.Clock()
    running = True
    while running:
        if collide_delay_counter>0:collide_delay_counter-=1
        for event in pygame.event.get():
            if event.type == QUIT:running = False
        player_down.key_detect()
        player_down.update()
        player_up.key_detect()
        player_up.update()

        bat_down.update()
        bat_up.update()
        ball.update()        
        
        collide_check(ball,bat_up,bat_down,player_up,player_down,scorefont)
        game_over_check(ball,height,蓝方赢,红方赢)
        
        screen.blit(background,(0,0))
        screen.blit(player_down.image,player_down.rect)
        screen.blit(player_up.image,player_up.rect)
        screen.blit(bat_down.image,bat_down.rect)
        screen.blit(bat_up.image,bat_up.rect)
        if not game_over: screen.blit(ball.image,ball.rect)
        .......................
            
        screen.blit(up_score_string,(25,30))
        screen.blit(down_score_string,(width-50,height-60))        
        pygame.display.update()
        clock.tick(60)

    pygame.quit()
            
if __name__ == "__main__":
    
        main()

    

 

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