300行 教你用Python实现飞机大战

import pygame
from sys import exit
from pygame.locals import *
import random

# 设置游戏屏幕大小
SCREEN_WIDTH = 683
SCREEN_HEIGHT = 1024


# 子弹类
class Bullet(pygame.sprite.Sprite):
    def __init__(self, bullet_img, init_pos):
        pygame.sprite.Sprite.__init__(self)
        self.image = bullet_img
        self.rect = self.image.get_rect()
        self.rect.midbottom = init_pos
        self.speed = 10

    def move(self):
        self.rect.top -= self.speed


# 玩家飞机类
class Player(pygame.sprite.Sprite):
    def __init__(self, plane_img, player_rect, init_pos):
        pygame.sprite.Sprite.__init__(self)
        self.image = []  # 用来存储玩家飞机图片的列表
        for i in range(len(player_rect)):
            self.image.append(plane_img.subsurface(player_rect[i]).convert_alpha())
        self.rect = player_rect[0]  # 初始化图片所在的矩形
        self.rect.topleft = init_pos  # 初始化矩形的左上角坐标
        self.speed = 10  # 初始化玩家飞机速度，这里是一个确定的值
        self.bullets = pygame.sprite.Group()  # 玩家飞机所发射的子弹的集合
        self.img_index = 0  # 玩家飞机图片索引
        self.is_hit = False  # 玩家是否被击中

    # 发射子弹
    def shoot(self, bullet_img):
        bullet = Bullet(bullet_img, self.rect.midtop)
        self.bullets.add(bullet)

    # 向上移动，需要判断边界
    def moveUp(self):
        if self.rect.top <= 0:
            self.rect.top = 0
        else:
            self.rect.top -= self.speed

    # 向下移动，需要判断边界
    def moveDown(self):
        if self.rect.top >= SCREEN_HEIGHT - self.rect.height:
            self.rect.top = SCREEN_HEIGHT - self.rect.height
        else:
            self.rect.top += self.speed

    # 向左移动，需要判断边界
    def moveLeft(self):
        if self.rect.left <= 0:
            self.rect.left = 0
        else:
            self.rect.left -= self.speed

    # 向右移动，需要判断边界
    def moveRight(self):
        if self.rect.left >= SCREEN_WIDTH - self.rect.width:
            self.rect.left = SCREEN_WIDTH - self.rect.width
        else:
            self.rect.left += self.speed



class Enemy(pygame.sprite.Sprite):
    def __init__(self, enemy_img, enemy_down_imgs, init_pos,sp):
        pygame.sprite.Sprite.__init__(self)
        self.image = enemy_img
        self.rect = self.image.get_rect()
        self.rect.topleft = init_pos
        self.down_imgs = enemy_down_imgs
        self.speed = sp
        self.down_index = 0

    def move(self):
        self.rect.top += self.speed


# 初始化 pygame
pygame.init()

# 设置游戏界面大小、背景图片及标题
# 游戏界面像素大小
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))

# 游戏界面标题
pygame.display.set_caption('打月饼')

# 背景图
background = pygame.image.load('beijing.jpg').convert()

# Game Over 的背景图
game_over = pygame.image.load('zqkl.jpg')

# 飞机及子弹图片集合
plane_img = pygame.image.load('feiji.png').convert_alpha()
yuebing = pygame.image.load('yuebing.png').convert_alpha()
print(plane_img.get_rect())

# 设置玩家飞机不同状态的图片列表，多张图片展示为动画效果
player_rect = []
player_rect.append(pygame.Rect(40, 490, 87, 126))  # 玩家飞机图片
player_rect.append(pygame.Rect(40, 490, 87, 126))
player_rect.append(pygame.Rect(244, 490, 102, 126))  # 玩家爆炸图片
player_rect.append(pygame.Rect(346, 490, 102, 126))
player_rect.append(pygame.Rect(448, 490, 102, 126))
player_rect.append(pygame.Rect(550, 490, 102, 126))
player_pos = [200, 600]
player = Player(plane_img, player_rect, player_pos)

# 子弹图片
bullet_rect = pygame.Rect(96,227, 30, 30)
bullet_img = plane_img.subsurface(bullet_rect)

# 不同状态的图片列表，多张图片展示为动画效果
enemy1_rect = pygame.Rect(180, 10, 110,130)
enemy1_img = yuebing.subsurface(enemy1_rect).convert_alpha()
enemy1_down_imgs = []
enemy1_down_imgs.append(yuebing.subsurface(pygame.Rect(0, 10, 110,130)).convert_alpha())
enemy1_down_imgs.append(plane_img.subsurface(pygame.Rect(166, 137, 70,70)).convert_alpha())
enemy1_down_imgs.append(plane_img.subsurface(pygame.Rect(236, 207, 70,70)).convert_alpha())
enemy1_down_imgs.append(plane_img.subsurface(pygame.Rect(306, 277,70,70)).convert_alpha())

enemies1 = pygame.sprite.Group()

# 存储被击毁的飞机，用来渲染击毁动画
enemies_down = pygame.sprite.Group()

# 初始化射击及敌机移动频率
shoot_frequency = 0
enemy_frequency = 0

# 玩家飞机被击中后的效果处理
player_down_index = 16

# 初始化分数
score = 0
sp = 6

# 游戏循环帧率设置
clock = pygame.time.Clock()

# 判断游戏循环退出的参数
running = True
yb = pygame.image.load("111111.png").convert_alpha()
# 游戏主循环
while running:
    # 控制游戏最大帧率为 60
    clock.tick(60)

    # 生成子弹，需要控制发射频率
    # 首先判断玩家飞机没有被击中
    if not player.is_hit:
        if shoot_frequency % 15 == 0:
            player.shoot(bullet_img)
        shoot_frequency += 1
        if shoot_frequency >= 15:
            shoot_frequency = 0

    # 需要控制生成频率
    if enemy_frequency % 50 == 0:
        enemy1_pos = [random.randint(0, SCREEN_WIDTH - enemy1_rect.width), 0]
        if score>30000:
            sp+=0.3
            enemy1 = Enemy(enemy1_img, enemy1_down_imgs, enemy1_pos,sp)
        else:
            enemy1 = Enemy(enemy1_img, enemy1_down_imgs, enemy1_pos, sp)
        enemies1.add(enemy1)
    enemy_frequency += 1
    if enemy_frequency >= 100:
        enemy_frequency = 0

    for bullet in player.bullets:
        # 以固定速度移动子弹
        bullet.move()
        # 移动出屏幕后删除子弹
        if bullet.rect.bottom < 0:
            player.bullets.remove(bullet)

    for enemy in enemies1:
        enemy.move()
        # 3. 玩家飞机碰撞效果处理
        if pygame.sprite.collide_circle(enemy, player):
            enemies_down.add(enemy)
            enemies1.remove(enemy)
            player.is_hit = True
            break
        # 4. 移动出屏幕后
        if enemy.rect.top < 0:
            enemies1.remove(enemy)

    # 被子弹击中效果处理
    # 将被击中的对象添加到击毁 Group 中，用来渲染击毁动画
    enemies1_down = pygame.sprite.groupcollide(enemies1, player.bullets, 1, 1)
    for enemy_down in enemies1_down:
        enemies_down.add(enemy_down)

    # 绘制背景
    screen.fill(0)
    screen.blit(background, (0, 0))

    # 绘制玩家飞机
    if not player.is_hit:
        screen.blit(player.image[player.img_index], player.rect)
        # 更换图片索引使飞机有动画效果
        player.img_index = shoot_frequency // 8
    else:
        # 玩家飞机被击中后的效果处理
        player.img_index = player_down_index // 8
        screen.blit(player.image[player.img_index], player.rect)
        player_down_index += 1
        if player_down_index > 47:
            # 击中效果处理完成后游戏结束
            running = False

    # 被子弹击中效果显示
    for enemy_down in enemies_down:
        if enemy_down.down_index == 0:
            pass
        if enemy_down.down_index > 7:


            enemies_down.remove(enemy_down)
            score += 1000
            continue
        screen.blit(enemy_down.down_imgs[enemy_down.down_index // 2], enemy_down.rect)
        enemy_down.down_index += 1

    # 显示子弹
    player.bullets.draw(screen)
    # 显示敌机
    enemies1.draw(screen)

    # 绘制得分
    score_font = pygame.font.Font(None, 36)
    score_text = score_font.render(str(score), True, (128, 128, 128))
    text_rect = score_text.get_rect()
    text_rect.topleft = [10, 10]

    screen.blit(score_text, text_rect)

    # 更新屏幕
    pygame.display.update()


    # 处理游戏退出
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            exit()

    # 获取键盘事件（上下左右按键）
    key_pressed = pygame.key.get_pressed()

    # 处理键盘事件（移动飞机的位置）
    if key_pressed[K_w] or key_pressed[K_UP]:
        player.moveUp()
    if key_pressed[K_s] or key_pressed[K_DOWN]:
        player.moveDown()
    if key_pressed[K_a] or key_pressed[K_LEFT]:
        player.moveLeft()
    if key_pressed[K_d] or key_pressed[K_RIGHT]:
        player.moveRight()

# 游戏 Game Over 后显示最终得分
SCREEN_WIDTH, SCREEN_HEIGHT = 1024,1024
font = pygame.font.SysFont('SimHei',32)
text = font.render('Score: ' + str(score)+'\r', True, (0, 55, 0))
text_rect = text.get_rect()
text_rect.centerx = screen.get_rect().centerx
text_rect.centery = screen.get_rect().centery + 24
print(text_rect.centerx,text_rect.centery)
screen.blit(game_over, (0, 0))
screen.blit(text, text_rect)
if score > 100000:
    text2 =font.render( '哇，你打到好多月饼，你也可以吃一块了 ',True, (0, 55, 0))
    text2_rect = text2.get_rect()
    text2_rect.centerx = screen.get_rect().centerx
    text2_rect.centery = screen.get_rect().centery + 56
    screen.blit(text2, text2_rect)

print( text_rect)


# 显示得分并处理游戏退出
while 1:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            exit()
    pygame.display.update()