python 坦克大战游戏

Python 坦克大战游戏是一个非常经典的游戏，可以锻炼玩家的反应能力和策略思维。下面是一个简单的 Python 坦克大战游戏的示例代码，你可以根据自己的需求进行修改和完善。

import pygame
import random

pygame.init()

# 游戏区域大小
game_width, game_height = 800, 600

# 创建游戏窗口
game_display = pygame.display.set_mode((game_width, game_height))
pygame.display.set_caption('坦克大战')

# 定义颜色
black = (0, 0, 0)
white = (255, 255, 255)
red = (200, 0, 0)
bright_red = (255, 0, 0)
green = (0, 200, 0)
bright_green = (0, 255, 0)

# 加载图片
tank_img = pygame.image.load('tank.png')
bullet_img = pygame.image.load('bullet.png')
enemy_tank_img = pygame.image.load('enemy_tank.png')
explosion_anim = ['./explosion1.png', './explosion2.png', './explosion3.png', './explosion4.png',
                  './explosion5.png', './explosion6.png', './explosion7.png', './explosion8.png']

# 设置字体
font = pygame.font.SysFont(None, 25)

# 定义游戏物体类
class GameObject(pygame.sprite.Sprite):
    def __init__(self, x, y, img):
        pygame.sprite.Sprite.__init__(self)
        self.image = img
        self.rect = self.image.get_rect()
        self.rect.x = x
        self.rect.y = y

# 定义坦克类
class Tank(GameObject):
    def __init__(self, x, y, img, speed=5):
        GameObject.__init__(self, x, y, img)
        self.speed = speed
        self.direction = 'up'
        self.health = 100
        self.bullet_list = pygame.sprite.Group()

    def move(self):
        if self.direction == 'up':
            self.rect.y -= self.speed
        elif self.direction == 'down':
            self.rect.y += self.speed
        elif self.direction == 'left':
            self.rect.x -= self.speed
        elif self.direction == 'right':
            self.rect.x += self.speed

    def shoot(self):
        if len(self.bullet_list) < 3:
            bullet = Bullet(self.rect.centerx, self.rect.centery, self.direction)
            self.bullet_list.add(bullet)

    def update(self):
        self.move()
        self.screen_border_check()

    def screen_border_check(self):
        if self.rect.top < 0:
            self.rect.top = 0
        elif self.rect.bottom > game_height:
            self.rect.bottom = game_height
        elif self.rect.left < 0:
            self.rect.left = 0
        elif self.rect.right > game_width:
            self.rect.right = game_width

# 定义子弹类
class Bullet(GameObject):
    def __init__(self, x, y, direction, speed=10):
        GameObject.__init__(self, x, y, bullet_img)
        self.speed = speed
        self.direction = direction

    def update(self):
        if self.direction == 'up':
            self.rect.y -= self.speed
        elif self.direction == 'down':
            self.rect.y += self.speed
        elif self.direction == 'left':
            self.rect.x -= self.speed
        elif self.direction == 'right':
            self.rect.x += self.speed
        if self.rect.top < 0 or self.rect.bottom > game_height or self.rect.left < 0 or self.rect.right > game_width:
            self.kill()

# 定义敌方坦克类
class EnemyTank(Tank):
    def __init__(self, x, y, img, speed=3):
        Tank.__init__(self, x, y, img, speed)
        self.direction = random.choice(['up', 'down', 'left', 'right'])
        self.bullet_list = pygame.sprite.Group()
        self.move_counter = 0
        self.shoot_counter = 0
        self.shoot_frequency = random.randint(30, 60)

    def update(self):
        self.move_counter += 1
        if self.move_counter == 25:
            self.move_counter = 0
            self.direction = random.choice(['up', 'down', 'left', 'right'])
        self.move()
        self.screen_border_check()
        self.shoot_counter += 1
        if self.shoot_counter == self.shoot_frequency:
            self.shoot_counter = 0
            self.shoot()

    def shoot(self):
        bullet = Bullet(self.rect.centerx, self.rect.centery, self.direction)
        self.bullet_list.add(bullet)

# 定义爆炸类
class Explosion(pygame.sprite.Sprite):
    def __init__(self, center, anim):
        pygame.sprite.Sprite.__init__(self)
        self.anim = anim
        self.image = self.anim[0]
        self.rect = self.image.get_rect()
        self.rect.center = center
        self.frame = 0
        self.last_update = pygame.time.get_ticks()
        self.frame_rate = 50

    def update(self):
        now = pygame.time.get_ticks()
        if now - self.last_update > self.frame_rate:
            self.last_update = now
            self.frame += 1
            if self.frame == len(self.anim):
                self.kill()
            else:
                center = self.rect.center
                self.image = self.anim[self.frame]
                self.rect = self.image.get_rect()
                self.rect.center = center

# 定义游戏主循环
def game_loop():
    player_tank = Tank(200, 200, tank_img)
    enemy_tank_list = pygame.sprite.Group()
    bullet_list = pygame.sprite.Group()
    explosion_list = pygame.sprite.Group()

    for i in range(5):
        enemy_tank = EnemyTank(random.randint(0, game_width), random.randint(0, game_height), enemy_tank_img)
        enemy_tank_list.add(enemy_tank)

    game_exit = False
    game_over = False

    while not game_exit:

        while game_over:
            game_display.fill(black)
            message_text = font.render('游戏结束，按 R 重新开始，按 Q 退出', True, white)
            message_rect = message_text.get_rect(center=(game_width / 2, game_height / 2))
            game_display.blit(message_text, message_rect)
            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    game_exit = True
                    game_over = False
                elif event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_exit = True
                        game_over = False
                    elif event.key == pygame.K_r:
                        game_loop()

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_exit = True

            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_UP:
                    player_tank.direction = 'up'
                elif event.key == pygame.K_DOWN:
                    player_tank.direction = 'down'
                elif event.key == pygame.K_LEFT:
                    player_tank.direction = 'left'
                elif event.key == pygame.K_RIGHT:
                    player_tank.direction = 'right'
                elif event.key == pygame.K_SPACE:
                    player_tank.shoot()

        game_display.fill(white)

        player_tank.bullet_list.update()
        enemy_tank_list.update()
        bullet_list.update()
        explosion_list.update()

        # 碰撞检测
        for bullet in player_tank.bullet_list:
            enemy_tank_hit_list = pygame.sprite.spritecollide(bullet, enemy_tank_list, True)
            for enemy_tank in enemy_tank_hit_list:
                explosion = Explosion(enemy_tank.rect.center, explosion_anim)
                explosion_list.add(explosion)
                bullet.kill()
        for bullet in bullet_list:
            if pygame.sprite.collide_rect(player_tank, bullet):
                explosion = Explosion(player_tank.rect.center, explosion_anim)
                explosion_list.add(explosion)
                bullet.kill()
                player_tank.health -= 10
                if player_tank.health <= 0:
                    game_over = True

        # 绘制游戏物体
        player_tank.bullet_list.draw(game_display)
        enemy_tank_list.draw(game_display)
        bullet_list.draw(game_display)
        explosion_list.draw(game_display)
        game_display.blit(player_tank.image, player_tank.rect)

        # 显示血量条
        pygame.draw.rect(game_display, green, (player_tank.rect.left, player_tank.rect.top - 10, player_tank.health, 5))
        pygame.draw.rect(game_display, red, (player_tank.rect.left + player_tank.health, player_tank.rect.top - 10,
                                             100 - player_tank.health, 5))

        # 刷新屏幕
        pygame.display.update()

    pygame.quit()
    quit()

if __name__ == '__main__':
    game_loop()

这个示例代码中包括了坦克、子弹、敌方坦克、爆炸等多个类，实现了基本的游戏功能，包括移动、开火、碰撞检测、血量显示等。你可以根据需要进行修改和完善。