python2.7之打飞机（文末附素材链接）

# -*- coding:utf-8 -*-

import pygame
from plane_sprites import *
from sys import exit

class PlaneGame(object):

    def __init__(self):
        # print('init')
        self.screen = pygame.display.set_mode(SCREEN_RECT.size)
        self.caption = pygame.display.set_caption('World WarII')
        self.clock = pygame.time.Clock()
        self.__create_sprites()
        pygame.time.set_timer(CREATE_ENEMY_EVENT,1000)
        pygame.time.set_timer(HERO_FIRE_EVENT,500)
        
    def __create_sprites(self):
        bg1 = Background()
        bg2 = Background(True)
        #bg2.rect.y = - bg2.rect.height
        self.back_group = pygame.sprite.Group(bg1,bg2)
        self.enemy_group = pygame.sprite.Group()
        self.hero = Hero()
        self.hero_group = pygame.sprite.Group(self.hero)
        
    def start_game(self):
        #print('start')
        while True:
            self.clock.tick(FRAME_PER_SEC)
            self.__event_handler()
            self.__check_collide()
            self.__update_sprites()
            pygame.display.update()
            
    def __event_handler(self):
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                PlaneGame.__game_over()
            elif event.type == CREATE_ENEMY_EVENT:
                enemy = Enemy()
                self.enemy_group.add(enemy)
            # elif event.type == pygame.KEYDOWN and event.key == pygame.K_RIGHT:
                # print('right')
            elif event.type == HERO_FIRE_EVENT:
                self.hero.fire()
            
        keys_pressed = pygame.key.get_pressed()
        if keys_pressed[pygame.K_RIGHT]:
            self.hero.speed = 2
        elif keys_pressed[pygame.K_LEFT]:
            self.hero.speed = -2
        else:
            self.hero.speed = 0
    
    
    def __check_collide(self):
        pygame.sprite.groupcollide(self.hero.bullets,self.enemy_group,True,True)
        enemies = pygame.sprite.spritecollide(self.hero,self.enemy_group,True)
        if len(enemies) > 0:
            self.hero.kill()
            PlaneGame.__game_over()
    
    def __update_sprites(self):
        self.back_group.update()
        self.back_group.draw(self.screen)
        self.enemy_group.update()
        self.enemy_group.draw(self.screen)
        self.hero_group.update()
        self.hero_group.draw(self.screen)
        self.hero.bullets.update()
        self.hero.bullets.draw(self.screen)
    
    @staticmethod
    def __game_over():
        print('GAME OVER')
        pygame.quit()
        exit()
        

if __name__=='__main__':
    game = PlaneGame()
    game.start_game()

# -*-coding:utf-8 -*-

import random
import pygame

SCREEN_RECT =  pygame.Rect((0,0,480,700))
FRAME_PER_SEC = 60
CREATE_ENEMY_EVENT = pygame.USEREVENT
HERO_FIRE_EVENT = pygame.USEREVENT + 1

class GameSprite(pygame.sprite.Sprite):

    def __init__(self,image_name,speed=1):
        super(GameSprite,self).__init__()
        self.image = pygame.image.load(image_name)
        self.rect = self.image.get_rect()
        self.speed = speed
    
    def update(self):
        self.rect.y += self.speed
        
        
class Background(GameSprite):

    def __init__(self,is_alt=False):
        super(Background,self).__init__('e:/media/war/background.png')
        if is_alt:
            self.rect.y = -self.rect.height
    
    
    def update(self):
        super(Background,self).update()
        if self.rect.y >= SCREEN_RECT.height:
            # self.rect.y = -SCREEN_RECT.height
            self.rect.y = -self.rect.height

class Enemy(GameSprite):
    
    def __init__(self):
        super(Enemy,self).__init__('e:/media/war/enemy1.png')
        self.speed = random.randint(1,3)
        self.rect.bottom = 0
        max_x = SCREEN_RECT.width - self.rect.width
        self.rect.x = random.randint(0,max_x)
    
    
    def update(self):
        super(Enemy,self).update()
        if self.rect.y >=SCREEN_RECT.height:
            # print('fly away')
            self.kill()
        
    def __del__(self):
        # print('enemy down %s'%self.rect)
        pass
        
class Hero(GameSprite):
    
    def __init__(self):
        super(Hero,self).__init__('e:/media/war/me1.png',0)
        self.rect.centerx = SCREEN_RECT.centerx
        self.rect.bottom = SCREEN_RECT.bottom-120
        self.bullets = pygame.sprite.Group()
    
    def update(self):
        self.rect.x += self.speed
        if self.rect.x < 0:
            self.rect.x = 0
        elif self.rect.right > SCREEN_RECT.right:
            self.rect.right = SCREEN_RECT.right
    
    def fire(self):
        for i in (0,1,2):
            bullet = Bullet()
            bullet.rect.bottom = self.rect.y - i*20
            bullet.rect.centerx = self.rect.centerx
            self.bullets.add(bullet)
        
class Bullet(GameSprite):
    
    def __init__(self):
        super(Bullet,self).__init__('e:/media/war/bullet1.png',-2)
           
    def update(self):
        super(Bullet,self).update()
        if self.rect.bottom < 0:
            self.kill()
    
    def __del__(self):
        pass
    
    
（所用的图片素材链接  https://pan.baidu.com/s/1pMM0beb）