python飞机大战游戏——适合收藏

目录

• • • 主函数
    • 子d函数
    • 供给函数
    • 主机函数
    • 敌机函数
    • 素材

本次代码来源于B站视频 【Python教程】《零基础入门学习Python》后面几节的内容，超级详细，如果有需要这段代码练手的同学可以去看一看，我们也可以相互讨论，共同进步！

先看效果：


上代码：

主函数

from random import choice
import pygame
import sys
import traceback
from pygame.locals import *
import myplane
import enemy
import bullet
import supply


pygame.init()
pygame.mixer.init()
bg_size = width, height = 480, 700
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption("飞机大战")
background = pygame.image.load("images/background.png").convert()

# 定义血槽颜色
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
RED = (255, 0, 0)
WHITE = (255, 255, 255)

# 载入游戏音乐
pygame.mixer.music.load("sound/game_music.ogg")
pygame.mixer.music.set_volume(0.2)  # 设置音量大小
bullet_sound = pygame.mixer.Sound("sound/bullet.wav")
bullet_sound.set_volume(0.2)
bomb_sound = pygame.mixer.Sound("sound/use_bomb.wav")
bomb_sound.set_volume(0.2)
supply_sound = pygame.mixer.Sound("sound/supply.wav")
supply_sound.set_volume(0.2)
get_bomb_sound = pygame.mixer.Sound("sound/get_bomb.wav")
get_bomb_sound.set_volume(0.2)
get_bullet_sound = pygame.mixer.Sound("sound/get_bullet.wav")
upgrade_sound = pygame.mixer.Sound("sound/upgrade.wav")
upgrade_sound.set_volume(0.8)
enemy3_fly_sound = pygame.mixer.Sound("sound/enemy3_flying.wav")
enemy3_fly_sound.set_volume(0.2)
enemy1_down_sound = pygame.mixer.Sound("sound/enemy1_down.wav")
enemy1_down_sound.set_volume(0.1)
enemy2_down_sound = pygame.mixer.Sound("sound/enemy2_down.wav")
enemy2_down_sound.set_volume(0.3)
enemy3_down_sound = pygame.mixer.Sound("sound/enemy3_down.wav")
enemy3_down_sound.set_volume(0.5)
me_down_sound = pygame.mixer.Sound("sound/me_down.wav")
me_down_sound.set_volume(0.2)


def add_small_enemies(group1, group2, num):
    for i in range(num):
        e1 = enemy.SmallEnemy(bg_size)
        group1.add(e1)
        group2.add(e1)


def add_mid_enemies(group1, group2, num):
    for i in range(num):
        e2 = enemy.MidEnemy(bg_size)
        group1.add(e2)
        group2.add(e2)


def add_big_enemies(group1, group2, num):
    for i in range(num):
        e3 = enemy.BigEnemy(bg_size)
        group1.add(e3)
        group2.add(e3)


def inc_speed(target, inc):
    for each in target:
        each.speed += inc

def main():
    pygame.mixer.music.play(-1)

    # 生成我方飞机
    me = myplane.MyPlane(bg_size)

    # 生成敌方飞机
    enemies = pygame.sprite.Group()

    # 生成敌方小型飞机
    small_enemies = pygame.sprite.Group()
    add_small_enemies(small_enemies, enemies, 15)

    # 生成敌方中型飞机
    mid_enemies = pygame.sprite.Group()
    add_mid_enemies(mid_enemies, enemies, 4)

    # 生成敌方大型飞机
    big_enemies = pygame.sprite.Group()
    add_big_enemies(big_enemies, enemies, 2)

    # 生成普通子d
    bullet1 = []
    bullet1_index = 0
    BULLET1_NUM = 4
    for i in range(BULLET1_NUM):
        bullet1.append(bullet.Bullet1(me.rect.midtop))

    # 生成超级子d
    bullet2 = []
    bullet2_index = 0
    BULLET2_NUM = 8
    for i in range(BULLET2_NUM):
        bullet2.append(bullet.Bullet2(me.rect.midtop))


    # 中d图片索引
    e1_destory_index = 0
    e2_destory_index = 0
    e3_destory_index = 0
    me_destory_index = 0
    clock = pygame.time.Clock()

    # 设置难度级别
    level = 1

    # 全屏炸d
    bomb_image = pygame.image.load("images/bomb.png").convert_alpha()
    bomb_rect = bomb_image.get_rect()
    bomb_font = pygame.font.Font("font/font.ttf", 48)
    bomb_num = 3

    # 每30秒发放一个补给包
    bullet_supply = supply.Bullet_Supply(bg_size)
    bomb_supply = supply.Bomb_Supply(bg_size)
    SUPLY_TIME = USEREVENT
    pygame.time.set_timer(SUPLY_TIME, 30*1000)

    # 超级子d定时器
    DOUBLE_BULLET_TIME = USEREVENT + 1

    # 标志是否使用超级子d
    is_double_bullet = False

    # 游戏结束画面
    gameover_font = pygame.font.Font("font/font.ttf", 48)
    again_image = pygame.image.load("images/again.png").convert_alpha()
    again_rect = again_image.get_rect()
    gameover_image = pygame.image.load("images/gameover.png").convert_alpha()
    gameover_rect = gameover_image.get_rect()


    # 生命数量
    life_image = pygame.image.load("images/life.png").convert_alpha()
    life_rect = life_image.get_rect()
    life_num = 3

    # 解除我方无敌状态定时器
    INVINCIBLE_TIME = USEREVENT + 2


    # 统计得分
    score = 0
    score_font = pygame.font.Font("font/font.ttf", 36)

    # 标记是否暂停游戏
    paused = False
    pause_nor_image = pygame.image.load("images/pause_nor.png").convert_alpha()
    pause_pressed_image = pygame.image.load("images/pause_pressed.png").convert_alpha()
    resume_nor_image = pygame.image.load("images/resume_nor.png").convert_alpha()
    resume_pressed_image = pygame.image.load("images/resume_pressed.png").convert_alpha()
    paused_rect = pause_nor_image.get_rect()
    paused_rect.left, paused_rect.top = width - paused_rect.width - 10, 10
    paused_image = pause_nor_image

    # 用于重复打开记录文件
    recorded = False

    # 用于切换图片
    switch_image = True

    # 用于延迟，使我的飞机切换效果更加明显
    delay = 100
    running = True
    while running:
        for event in pygame.event.get():
            if event.type == QUIT:
                pygame.quit()
                sys.exit()
            elif event.type == MOUSEBUTTONDOWN:
                if event.button == 1 and paused_rect.collidepoint(event.pos):
                    paused = not paused

            elif event.type == MOUSEMOTION:
                if paused_rect.collidepoint(event.pos):
                    if paused:
                        paused_image = resume_pressed_image
                    else:
                        paused_image = pause_pressed_image
                else:
                    if paused:
                        paused_image = resume_nor_image
                    else:
                        paused_image = pause_nor_image


            elif event.type == KEYDOWN:
                if event.key == K_SPACE:
                    if bomb_num:
                        bomb_num -= 1
                        bomb_sound.play()
                        for each in enemies:
                            if each.rect.bottom > 0:
                                each.active = False
            elif event.type == SUPLY_TIME:
                supply_sound.play()
                if choice([True, False]):
                    bomb_supply.reset()
                else:
                    bullet_supply.reset()

            elif event.type == DOUBLE_BULLET_TIME:
                is_double_bullet = False
                pygame.time.set_timer(DOUBLE_BULLET_TIME, 0)


            elif event.type == INVINCIBLE_TIME:
                me.invincible = False
                pygame.time.set_timer(INVINCIBLE_TIME, 0)



        # 根据用户的得分增加难度
        if level == 1 and score > 50:
            level = 2
            upgrade_sound.play()
            add_small_enemies(small_enemies, enemies, 3)
            add_mid_enemies(mid_enemies, enemies, 2)
            add_big_enemies(big_enemies, enemies, 1)
            inc_speed(small_enemies, 1)
        elif level == 2 and score > 150:
            level = 3
            upgrade_sound.play()
            add_small_enemies(small_enemies, enemies, 4)
            add_mid_enemies(mid_enemies, enemies, 3)
            add_big_enemies(big_enemies, enemies, 1)
            inc_speed(small_enemies, 2)
            inc_speed(mid_enemies, 1)
        if level == 3 and score > 250:
            level = 4
            add_small_enemies(small_enemies, enemies, 5)
            add_mid_enemies(mid_enemies, enemies, 4)
            add_big_enemies(big_enemies, enemies, 2)
            inc_speed(small_enemies, 3)
            inc_speed(mid_enemies, 2)
        elif level == 4 and score > 400:
            level = 5
            add_small_enemies(small_enemies, enemies, 5)
            add_mid_enemies(mid_enemies, enemies, 4)
            add_big_enemies(big_enemies, enemies, 2)
            inc_speed(small_enemies, 4)
            inc_speed(mid_enemies, 3)
            inc_speed(big_enemies, 2)

        if life_num and not paused:
            # 检测用户的键盘 *** 作,key_processed是一个序列，这个序列中包括整个键盘的布尔类型值，True即被按下
            key_pressed = pygame.key.get_pressed()
            if key_pressed[K_w] or key_pressed[K_UP]:
                me.MoveUp()
            if key_pressed[K_s] or key_pressed[K_DOWN]:
                me.MoveDown()
            if key_pressed[K_a] or key_pressed[K_LEFT]:
                me.MoveLeft()
            if key_pressed[K_d] or key_pressed[K_RIGHT]:
                me.MoveRight()
            screen.blit(background, (0, 0))

            # 绘制全屏炸d并检测是否获得
            if bomb_supply.active:
                bomb_supply.move()
                screen.blit(bomb_supply.image, bomb_supply.rect)
                if pygame.sprite.collide_mask(bomb_supply, me):
                    get_bomb_sound.play()
                    if bomb_num < 3:
                        bomb_num += 1
                    bomb_supply.active = False

            # 绘制超级子d并检测是否获得
            if bullet_supply.active:
                bullet_supply.move()
                screen.blit(bullet_supply.image, bullet_supply.rect)
                if pygame.sprite.collide_mask(bullet_supply, me):
                    get_bullet_sound.play()
                    is_double_bullet = True
                    pygame.time.set_timer(DOUBLE_BULLET_TIME, 18*1000)
                    bullet_supply.active = False

            # 绘制普通子d
            if not (delay % 10):
                bullet_sound.play()
                if is_double_bullet:
                    bullets = bullet2
                    bullets[bullet2_index].reset(me.rect.midtop)
                    bullet2_index = (bullet2_index+1) % BULLET2_NUM
                else:
                    bullets = bullet1
                    bullet1[bullet1_index].reset(me.rect.midtop)
                    bullet1_index = (bullet1_index + 1) % BULLET1_NUM


            # 检测子d是否击中敌机
            for b in bullets:
                if b.active:
                    b.move()
                    screen.blit(b.image, b.rect)
                    enemy_hit = pygame.sprite.spritecollide(b, enemies, False, pygame.sprite.collide_mask)
                    if enemy_hit:
                        b.active = False
                        for e in enemy_hit:
                            if e in mid_enemies or e in big_enemies:
                                e.energy -= 1
                                e.hit = True
                                if e.energy == 0:
                                    e.active = False
                            else:
                                e.active = False

            # 绘制大型敌机
            for each in big_enemies:
                if each.active:
                    each.move()
                    if each.hit:
                        screen.blit(each.image_hit, each.rect)
                        each.hit = False
                    else:
                        if switch_image:
                            screen.blit(each.image1, each.rect)
                        else:
                            screen.blit(each.image2, each.rect)

                    # 绘制血槽
                    pygame.draw.line(screen, BLACK, (each.rect.left, each.rect.top - 5),
                                     (each.rect.right, each.rect.top - 5), 2)
                    # 当生命大于百分之20显示绿色，否则显示红色
                    energy_remain = each.energy / enemy.BigEnemy.energy
                    if energy_remain > 0.2:
                        energy_color = GREEN
                    else:
                        energy_color = RED
                    pygame.draw.line(screen, energy_color, (each.rect.left, each.rect.top - 5),
                                     (each.rect.left + each.rect.width * energy_remain, each.rect.top - 5), 2)

                    # 即将出现在画面中，播放音效
                    if each.rect.bottom == -50:
                        enemy3_fly_sound.play(-1)
                else:
                    # 毁灭
                    if not (delay % 3):
                        if e2_destory_index == 0:
                            enemy3_down_sound.play()
                        screen.blit(each.destory_images[e3_destory_index], each.rect)
                        e3_destory_index = (e3_destory_index + 1) % 6
                        if e3_destory_index == 0:
                            enemy3_fly_sound.stop()
                            score += 5
                            each.reset()

            # 绘制中型机
            for each in mid_enemies:
                if each.active:
                    each.move()
                    if each.hit:
                        screen.blit(each.image_hit, each.rect)
                        each.hit = False
                    else:
                        screen.blit(each.image, each.rect)
                    # 绘制血槽
                    pygame.draw.line(screen, BLACK, (each.rect.left, each.rect.top - 5),
                                     (each.rect.right, each.rect.top - 5), 2)
                    # 当生命大于百分之20显示绿色，否则显示红色
                    energy_remain = each.energy / enemy.MidEnemy.energy
                    if energy_remain > 0.2:
                        energy_color = GREEN
                    else:
                        energy_color = RED
                    pygame.draw.line(screen, energy_color, (each.rect.left, each.rect.top - 5),
                                     (each.rect.left + each.rect.width * energy_remain, each.rect.top - 5), 2)
                else:
                    # 毁灭
                    if not (delay % 3):
                        if e2_destory_index == 0:
                            enemy2_down_sound.play()
                        screen.blit(each.destory_images[e2_destory_index], each.rect)
                        e2_destory_index = (e2_destory_index + 1) % 4
                        if e2_destory_index == 0:
                            score += 3
                            each.reset()

            # 绘制小型敌机
            for each in small_enemies:
                if each.active:
                    each.move()
                    screen.blit(each.image, each.rect)
                else:
                    # 毁灭

                    if not (delay % 3):
                        if e1_destory_index == 0:
                            enemy1_down_sound.play()
                        screen.blit(each.destory_images[e1_destory_index], each.rect)
                        e1_destory_index = (e1_destory_index + 1) % 4
                        if e1_destory_index == 0:
                            score += 1
                            each.reset()

            # 检测我方飞机是否被撞
            enemies_down = pygame.sprite.spritecollide(me, enemies, False, pygame.sprite.collide_mask)
            if enemies_down and not me.invincible:
                me.active = False
                for e in enemies_down:
                    e.active = False

            # 绘制我方飞机
            if me.active:
                if switch_image:
                    screen.blit(me.image1, me.rect)
                else:
                    screen.blit(me.image2, me.rect)
                    # 5帧切换一次
                if not (delay % 5):
                    switch_image = not switch_image
            else:
                # 毁灭
                me_down_sound.play()
                if not (delay % 3):
                    screen.blit(me.destory_images[me_destory_index], me.rect)
                    me_destory_index = (me_destory_index + 1) % 4
                    if me_destory_index == 0:
                       life_num -= 1
                       me.reset()
                       pygame.time.set_timer(INVINCIBLE_TIME, 3*1000)

            # 绘制全屏炸d数量
            bomb_text = bomb_font.render("× %d" % bomb_num, True, WHITE)
            text_rect = bomb_text.get_rect()
            screen.blit(bomb_image, (10, height - 10 - bomb_rect.height))
            screen.blit(bomb_text, (20 + text_rect.width, height - 5 - text_rect.height))

            # 绘制剩余生命数量
            if life_num:
                for i in range(life_num):
                    screen.blit(life_image, (width-10-(i+1) * life_rect.width, height - 10 - life_rect.height))
        # 绘制游戏结束画面
        elif life_num == 0:
            # 背景音乐停止
            pygame.mixer.music.stop()
            # 停止全部音效
            pygame.mixer.stop()
            # 停止发放补给
            pygame.time.set_timer(SUPLY_TIME, 0)
            if not recorded:
                recorded = True
                # 打开记录文件
                with open("record.txt", 'r') as f:
                    record_score = int(f.read())
                # 判断历史最高分
                if score > record_score:
                    with open("record.txt", 'w') as f:
                        f.write(str(score))
            # 绘制结束界面
            record_score_text = score_font.render("Best: %d" % record_score, True, WHITE)
            screen.blit(record_score_text, (50, 50))

            gameover_text1 = gameover_font.render("Your Score: ", True, WHITE)
            gameover_text1_rect = gameover_text1.get_rect()
            gameover_text1_rect.left, gameover_text1_rect.top = \
                (width - gameover_text1_rect.width) // 2, height // 2
            screen.blit(gameover_text1, gameover_text1_rect)

            gameover_text2 = gameover_font.render(str(score), True, WHITE)
            gameover_text2_rect = gameover_text2.get_rect()
            gameover_text2_rect.left, gameover_text2_rect.top = \
                (width - gameover_text2_rect.width) // 2, \
                gameover_text1_rect.bottom + 10
            screen.blit(gameover_text2, gameover_text2_rect)

            again_rect.left, again_rect.top = \
                (width - again_rect.width) // 2, \
                gameover_text2_rect.bottom + 50
            screen.blit(again_image, again_rect)

            gameover_rect.left, gameover_rect.top = \
                (width - again_rect.width) // 2, \
                again_rect.bottom + 10
            screen.blit(gameover_image, gameover_rect)

            # 检测用户的鼠标 *** 作
            # 如果用户按下鼠标左键
            if pygame.mouse.get_pressed()[0]:
                pos = pygame.mouse.get_pos()
                if again_rect.left < pos[0] < again_rect.right and \
                        again_rect.top < pos[1] < again_rect.bottom:
                    main()
                elif gameover_rect.left < pos[0] < gameover_rect.right and \
                        gameover_rect.top < pos[1] < gameover_rect.bottom:
                    pygame.quit()
                    sys.exit()

        # 绘制得分
        score_text = score_font.render("Score : %s" % str(score), True, WHITE)
        screen.blit(score_text, (10, 5))

        # 绘制暂停按钮
        screen.blit(paused_image, paused_rect)


        delay -= 1
        if not delay:
            delay = 100
        pygame.display.flip()  # 更新整个待显示的Surface对象到屏幕上
        clock.tick(60)  # 这个循环应当每秒运行60次


if __name__ == "__main__":
    try:
        main()
    except SystemExit:
        pass
    except:
        traceback.print_exc()  # 显示错误行
        pygame.quit()
        input()  # 停留作用

子d函数

import pygame


class Bullet1(pygame.sprite.Sprite):

    def __init__(self, position):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load("images/bullet1.png").convert_alpha()
        self.rect = self.image.get_rect()
        self.rect.left, self.rect.top = position
        self.speed = 12
        self.active = False
        self.mask = pygame.mask.from_surface(self.image)

    def move(self):
        self.rect.top -= self.speed
        if self.rect.top<0:
            self.active = False

    def reset(self, position):
        self.rect.left, self.rect.top = position
        self.active = True


class Bullet2(pygame.sprite.Sprite):

    def __init__(self, position):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load("images/bullet2.png").convert_alpha()
        self.rect = self.image.get_rect()
        self.rect.left, self.rect.top = position
        self.speed = 30
        self.active = False
        self.mask = pygame.mask.from_surface(self.image)

    def move(self):
        self.rect.top -= self.speed
        if self.rect.top < 0:
            self.active = False

    def reset(self, position):
        self.rect.left, self.rect.top = position
        self.active = True

供给函数

import pygame
from random import *


class Bullet_Supply (pygame.sprite.Sprite):
    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)

        self.image = pygame.image.load("images/bullet_supply.png").convert_alpha()
        self.rect = self.image.get_rect()
        self.width, self.height = bg_size
        self.rect.left, self.rect.bottom = randint(0, self.width-self.rect.width), -100
        self.speed = 5
        self.active = False
        self.mask = pygame.mask.from_surface(self.image)

    def move(self):
        if self.rect.top < self.height:
            self.rect.top += self.speed
        else:
            self.active = False

    def reset(self):
        self.active = True
        self.rect.left, self.rect.bottom = randint(0, self.width - self.rect.width), -100


class Bomb_Supply(pygame.sprite.Sprite):
    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)

        self.image = pygame.image.load("images/bomb_supply.png").convert_alpha()
        self.rect = self.image.get_rect()
        self.width, self.height = bg_size
        self.rect.left, self.rect.bottom = randint(0, self.width-self.rect.width), -100
        self.speed = 5
        self.active = False
        self.mask = pygame.mask.from_surface(self.image)

    def move(self):
        if self.rect.top < self.height:
            self.rect.top += self.speed
        else:
            self.active = False

    def reset(self):
        self.active = True
        self.rect.left, self.rect.bottom = randint(0, self.width - self.rect.width), -100

主机函数

import pygame
class MyPlane(pygame.sprite.Sprite):
    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)
        self.image1 = pygame.image.load("images\me1.png").convert_alpha()
        self.image2 = pygame.image.load("images\me2.png").convert_alpha()
        self.destory_images = []
        self.destory_images.extend([\
            pygame.image.load("images\me_destroy_1.png").convert_alpha(),
            pygame.image.load("images\me_destroy_2.png").convert_alpha(),
            pygame.image.load("images\me_destroy_3.png").convert_alpha(),
            pygame.image.load("images\me_destroy_4.png").convert_alpha()
            ])
        self.rect = self.image1.get_rect()  # 获取图片的矩形
        self.width, self.height = bg_size[0], bg_size[1]
        # 我方飞机的位置
        self.rect.left, self.rect.top = (self.width - self.rect.width)//2, self.height-self.rect.height-60
        self.speed = 10
        self.active = True
        self.mask = pygame.mask.from_surface(self.image1)
        self.invincible = False

    # 飞机向上走
    def MoveUp(self):
        # 飞机在区域内，减小top表示向上移动，top的值是飞机与上边框的距离
        if self.rect.top > 0:
            self.rect.top -= self.speed
        else:
            self.rect.top = 0

    # 飞机向下走
    def MoveDown(self):
        if self.rect.bottom < self.height-60:
            self.rect.top += self.speed
        else:
            self.rect.bottom = self.height-60

    # 飞机向左走
    def MoveLeft(self):
        if self.rect.left > 0:
            self.rect.left -= self.speed
        else:
            self.rect.left = 0

    #飞机向右走
    def MoveRight(self):
        if self.rect.right < self.width:
            self.rect.left += self.speed
        else:
            self.rect.right = self.width

    def reset(self):
        self.rect.left, self.rect.top = (self.width - self.rect.width) // 2, self.height - self.rect.height - 60
        self.active = True
        self.invincible = True

敌机函数

import pygame
from random import *


class SmallEnemy(pygame.sprite.Sprite):
    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load("images/enemy1.png").convert_alpha()
        self.destory_images = []
        self.destory_images.extend([
            pygame.image.load("images/enemy1_down1.png").convert_alpha(),
            pygame.image.load("images/enemy1_down2.png").convert_alpha(),
            pygame.image.load("images/enemy1_down3.png").convert_alpha(),
            pygame.image.load("images/enemy1_down4.png").convert_alpha()
            ])
        self.rect = self.image.get_rect()
        self.width, self.height = bg_size[0], bg_size[1]
        self.speed = 2
        self.active = True
        self.rect.left, self.rect.top = randint(0, self.width-self.rect.width), randint(-5*self.height, 0)
        self.mask = pygame.mask.from_surface(self.image)

    def move(self):
        if self.rect.top < self.height:
            self.rect.top += self.speed
        else:
            self.reset()

    def reset(self):
        self.active = True
        self.rect.left, self.rect.top = randint(0, self.width - self.rect.width), randint(-5 * self.height, 0)


class MidEnemy(pygame.sprite.Sprite):
    energy = 8

    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load("images/enemy2.png").convert_alpha()
        self.destory_images = []
        self.destory_images.extend([
            pygame.image.load("images/enemy2_down1.png").convert_alpha(),
            pygame.image.load("images/enemy2_down2.png").convert_alpha(),
            pygame.image.load("images/enemy2_down3.png").convert_alpha(),
            pygame.image.load("images/enemy2_down4.png").convert_alpha()
        ])
        self.rect = self.image.get_rect()
        self.width, self.height = bg_size[0], bg_size[1]
        self.speed = 1
        self.active = True
        self.rect.left, self.rect.top = randint(0, self.width-self.rect.width), randint(-10*self.height, -self.height)
        self.mask = pygame.mask.from_surface(self.image)
        self.energy = MidEnemy.energy
        self.image_hit = pygame.image.load("images/enemy2_hit.png").convert_alpha()
        self.hit = False

    def move(self):
        if self.rect.top < self.height:
            self.rect.top += self.speed
        else:
            self.reset()

    def reset(self):
        self.active = True
        self.energy = MidEnemy.energy
        self.rect.left, self.rect.top = randint(0, self.width - self.rect.width), randint(-10 * self.height, -self.height)


class BigEnemy(pygame.sprite.Sprite):
    energy = 20

    def __init__(self, bg_size):
        pygame.sprite.Sprite.__init__(self)
        self.image1 = pygame.image.load("images/enemy3_n1.png").convert_alpha()
        self.image2 = pygame.image.load("images/enemy3_n2.png").convert_alpha()
        self.destory_images = []
        self.destory_images.extend([
            pygame.image.load("images/enemy3_down1.png").convert_alpha(),
            pygame.image.load("images/enemy3_down2.png").convert_alpha(),
            pygame.image.load("images/enemy3_down3.png").convert_alpha(),
            pygame.image.load("images/enemy3_down4.png").convert_alpha(),
            pygame.image.load("images/enemy3_down5.png").convert_alpha(),
            pygame.image.load("images/enemy3_down6.png").convert_alpha()
        ])
        self.rect = self.image1.get_rect()
        self.width, self.height = bg_size[0], bg_size[1]
        self.speed = 1
        self.active = True
        self.rect.left, self.rect.top = randint(0, self.width-self.rect.width), randint(-15*self.height, -5*self.height)
        self.mask = pygame.mask.from_surface(self.image1)
        self.energy = BigEnemy.energy
        self.image_hit = pygame.image.load("images/enemy3_hit.png").convert_alpha()
        self.hit = False

    def move(self):
        if self.rect.top < self.height:
            self.rect.top += self.speed
        else:
            self.reset()

    def reset(self):
        self.active = True
        self.energy = BigEnemy.energy
        self.rect.left, self.rect.top = randint(0, self.width - self.rect.width), randint(-15*self.height, -5*self.height)

素材

链接：https://pan.baidu.com/s/1Y5EA7eW8uBv-KFeF-P7a_Q?pwd=1111
提取码：1111

这个项目超级适合刚学完python基础急需巩固的人群，难度并不大，如果有兴趣还可以加入自己的创新，加油吧！