编写飞机大战，完成后相关代码如下：
"""
是否击中
1.敌机被我机的子弹击中
2.我机被敌机的子弹击中
敌机，

"""
import pygame
from pygame.locals import *
import time
import random

class BasePlane:
def init(self, scree,x,y, image_name):
self.x = x
self.y = y
self.scree = scree
self.image = pygame.image.load(image_name)

    # 表示我机发射出的子弹
    self.bullet_list = [] # 存储我机发射出的子弹，用于判断是否击中敌机
    self.is_hit = False  # 用于标记飞机是否被打中，默认是False

# 新增功能，表示本机是否被敌机的子弹击中
def test_hit(self, bullets_list):
    for bullet in bullets_list:
        if self.x < bullet.x < self.x + self.image.get_width() and self.y < bullet.y < self.y + self.image.get_height():
            self.is_hit = True

# 用于显示飞机
def display(self):
    self.scree.blit(self.image, (self.x, self.y))  # 显示敌机

    for bullet in self.bullet_list:
        bullet.display()
        bullet.move()
        # 判断子弹是否超过了边界，
        if bullet.judge():
            self.bullet_list.remove(bullet)

创建类，描述我机

class HeroPlane(BasePlane):

def __init__(self, scree, image_name="./feiji/hero1.png"):
    super().__init__(scree,190,576,image_name)

# 飞机左移
def move_left(self):
    self.x -= 5

# 飞机右移
def move_right(self):
    self.x += 5

# 我机发射子弹
def fire(self):
    self.bullet_list.append(Bullet(self.scree, self.x, self.y))

子弹的基类：

class BaseBullet:
def init(self, scree,x ,y, image_name):
self.x = x
self.y = y
self.scree = scree
self.image = pygame.image.load(image_name)

 # 用于显示子弹
def display(self):
    self.scree.blit(self.image, (self.x, self.y))  # 显示我机

创建我机的子弹

class Bullet(BaseBullet):

def __init__(self, scree,x ,y):
    super().__init__(scree,x+40,y-20,image_name="./feiji/bullet.png")

# 子弹向上移动
def move(self):
    self.y -= 20

# 判断子弹的 y值，是否超越边界
def judge(self):
    if self.y < 0:
        return True
    else:
        return False

敌机类：

class EnemyPlane(BasePlane):

def __init__(self, scree, image_name="./feiji/enemy0.png"):
    super().__init__(scree, 0, 0, image_name)
    self.direction = "right"  # 该属性，用于控制敌机的方法



# 敌机移动
def move(self):
    if self.direction == "right":
        self.x += 5
    elif self.direction == "left":
        self.x -= 5

    if self.x >= 480 -50:
        self.direction = "left"
    if self.x <= 0:
        self.direction = "right"


# 敌机机发射子弹
def fire(self):
    # 产生一个随机数：
    ran_num = random.randint(1,100)
    if ran_num == 50 or ran_num == 30:
        self.bullet_list.append(EnemyBullet(self.scree, self.x, self.y))

创建敌机的子弹

class EnemyBullet(BaseBullet):

def __init__(self, scree,x ,y):
    super().__init__(scree, x + 25, y +40, image_name="./feiji/bullet1.png")

# 子弹向下移动
def move(self):
    self.y += 20

# 判断子弹的 y值，是否超越边界
def judge(self):
    if self.y > 700:
        return True
    else:
        return False

def key_control(hero):

# 获取事件，比如按键等
for event in pygame.event.get():

    # 判断是否是点击了退出按钮
    if event.type == QUIT:
        print("exit")
        exit()
    # 判断是否是按下了键
    elif event.type == KEYDOWN:
        # 检测按键是否是a或者left
        if event.key == K_a or event.key == K_LEFT:
            print('left')
            hero.move_left()

        # 检测按键是否是d或者right
        elif event.key == K_d or event.key == K_RIGHT:
            print('right')
            hero.move_right()

        # 检测按键是否是空格键
        elif event.key == K_SPACE:
            print('space')
            hero.fire()  # 我机开火

def main():

# 1.创建一个窗口，用来显示内容,窗口宽480，高852
scree = pygame.display.set_mode((480, 700), 0, 32)

# 2.创建一个和窗口大小的图片，用来当背景图
background = pygame.image.load("./feiji/background.png")
# 创建我机
hero = HeroPlane(scree)
# 创建敌机
enemy = EnemyPlane(scree)
# 3.把背景图放到窗口中显示
hero_num = 0
enemy_num = 0
while True:
    # 设定需要显示的背景图
    scree.blit(background, (0, 0))  # 背景图的左上角，和窗口左上角重合
    # 显示我机
    hero.display()
    # 检测我机是否被炸
    hero.test_hit(enemy.bullet_list)
    if hero.is_hit:
        hero_num += 1
        if hero_num == 10:
            hero.image = pygame.image.load("./feiji/hero_blowup_n1.png")
        elif hero_num == 20:
            hero.image = pygame.image.load("./feiji/hero_blowup_n2.png")
        elif hero_num == 30:
            hero.image = pygame.image.load("./feiji/hero_blowup_n3.png")
        elif hero_num == 40:
            hero.image = pygame.image.load("./feiji/hero_blowup_n4.png")
        elif hero_num == 50:
            # 结束程序
            break

    enemy.display()  # 显示敌机
    # 检测敌机是否被炸
    enemy.test_hit(hero.bullet_list)
    if enemy.is_hit:
        enemy_num += 1
        if enemy_num == 10:
            enemy.image = pygame.image.load("./feiji/enemy0_down1.png")
        elif enemy_num == 20:
            enemy.image = pygame.image.load("./feiji/enemy0_down2.png")
        elif enemy_num == 30:
            enemy.image = pygame.image.load("./feiji/enemy0_down3.png")
        elif enemy_num == 40:
            enemy.image = pygame.image.load("./feiji/enemy0_down4.png")
        elif enemy_num == 50:
            enemy = EnemyPlane(scree)
            enemy_num = 0



    enemy.move()  # 敌机移动
    enemy.fire()  # 敌机发射子弹

    key_control(hero)

    # 更新需要显示的内容
    pygame.display.update()

    time.sleep(0.05)

if name == 'main':
main()