372 lines
12 KiB
Python
372 lines
12 KiB
Python
import pygame
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import random
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import os
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import sys
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# 获取当前脚本的目录
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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# 初始化Pygame
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pygame.init()
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# 游戏常量设置
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SCREEN_WIDTH = 800
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SCREEN_HEIGHT = 600
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FPS = 60
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PLAYER_SPEED = 8
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BULLET_SPEED = 15
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ALIEN_COUNT = 8
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PLAYER_SIZE = (50, 50)
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ALIEN_SIZE = (50, 50)
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BULLET_SIZE = (20, 40)
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# 颜色定义
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BACKGROUND_COLOR = (25, 62, 11)
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TEXT_COLOR = (255, 0, 255)
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SCORE_COLOR = (255, 0, 0)
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# 创建游戏窗口
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screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
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pygame.display.set_caption("外星人大战")
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# 字体设置
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def load_chinese_font(size=48):
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"""尝试多种方式加载中文字体"""
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font_paths = [
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"c:/Windows/Fonts/simhei.ttf",
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"c:/Windows/Fonts/msyh.ttc",
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"c:/Windows/Fonts/simsun.ttc",
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"/System/Library/Fonts/PingFang.ttc",
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"/usr/share/fonts/truetype/droid/DroidSansFallbackFull.ttf",
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]
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for path in font_paths:
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try:
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if os.path.exists(path):
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return pygame.font.Font(path, size)
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except:
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continue
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try:
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return pygame.font.SysFont('simhei', size)
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except:
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pass
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print("警告: 无法加载中文字体，将使用默认字体")
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return pygame.font.Font(None, size)
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# 加载字体
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chinese_font_large = load_chinese_font(48)
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chinese_font_medium = load_chinese_font(36)
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# 创建默认图像
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def create_default_image(size, color):
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"""创建一个默认图像，带有透明背景"""
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image = pygame.Surface(size, pygame.SRCALPHA)
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pygame.draw.circle(image, color, (size[0] // 2, size[1] // 2), min(size[0], size[1]) // 2)
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return image
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# 创建默认玩家图像（蓝色飞船）
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def create_default_player():
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image = pygame.Surface(PLAYER_SIZE, pygame.SRCALPHA)
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# 飞船主体（三角形）
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pygame.draw.polygon(image, (30, 144, 255), [
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(PLAYER_SIZE[0] // 2, 0), # 顶点
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(0, PLAYER_SIZE[1]), # 左下
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(PLAYER_SIZE[0], PLAYER_SIZE[1]) # 右下
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])
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# 飞船窗口（小圆）
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pygame.draw.circle(image, (200, 200, 255), (PLAYER_SIZE[0] // 2, PLAYER_SIZE[1] // 3), PLAYER_SIZE[0] // 6)
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return image
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# 创建默认外星人图像（绿色UFO）
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def create_default_alien():
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image = pygame.Surface(ALIEN_SIZE, pygame.SRCALPHA)
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# UFO主体（椭圆）
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pygame.draw.ellipse(image, (50, 205, 50), (0, ALIEN_SIZE[1] // 4, ALIEN_SIZE[0], ALIEN_SIZE[1] // 2))
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# UFO顶部（半圆）
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pygame.draw.circle(image, (180, 230, 180), (ALIEN_SIZE[0] // 2, ALIEN_SIZE[1] // 2), ALIEN_SIZE[0] // 3)
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return image
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# 创建默认子弹图像（红色激光）
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def create_default_bullet():
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image = pygame.Surface(BULLET_SIZE, pygame.SRCALPHA)
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# 激光束
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pygame.draw.line(image, (255, 0, 0), (BULLET_SIZE[0] // 2, 0), (BULLET_SIZE[0] // 2, BULLET_SIZE[1]), 3)
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# 激光光晕
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pygame.draw.circle(image, (255, 100, 100, 128), (BULLET_SIZE[0] // 2, BULLET_SIZE[1] // 2), BULLET_SIZE[0] // 2)
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return image
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# 加载图片并处理可能的错误
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def load_image(filename, size, default_creator=None):
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"""加载并缩放图片，处理可能的错误"""
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try:
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path = os.path.join(BASE_DIR, filename)
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if os.path.exists(path):
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image = pygame.image.load(path).convert_alpha() # 使用convert_alpha()支持透明度
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return pygame.transform.scale(image, size)
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except Exception as e:
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print(f"无法加载图片 {filename}: {e}")
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# 如果无法加载图片，使用默认创建器或创建彩色占位符
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if default_creator:
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return default_creator()
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else:
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return create_default_image(size, (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
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# 加载游戏图片
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player_img = load_image('player.png', PLAYER_SIZE, create_default_player)
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alien_img = load_image('alien.png', ALIEN_SIZE, create_default_alien)
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bullet_img = load_image('bullet.png', BULLET_SIZE, create_default_bullet)
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# 玩家类
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class Player(pygame.sprite.Sprite):
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def __init__(self):
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"""初始化玩家对象"""
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super().__init__()
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self.image = player_img
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self.rect = self.image.get_rect()
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self.rect.centerx = SCREEN_WIDTH // 2
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self.rect.bottom = SCREEN_HEIGHT - 10
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self.speed = PLAYER_SPEED
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self.last_shot = pygame.time.get_ticks()
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self.shoot_delay = 250
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def update(self):
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"""更新玩家位置"""
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keys = pygame.key.get_pressed()
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if keys[pygame.K_LEFT] and self.rect.left > 0:
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self.rect.x -= self.speed
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if keys[pygame.K_RIGHT] and self.rect.right < SCREEN_WIDTH:
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self.rect.x += self.speed
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# 自动射击功能
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now = pygame.time.get_ticks()
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if keys[pygame.K_SPACE] and now - self.last_shot > self.shoot_delay:
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self.shoot()
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self.last_shot = now
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def shoot(self):
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"""创建一个新子弹"""
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bullet = Bullet(self.rect.centerx, self.rect.top)
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all_sprites.add(bullet)
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bullets.add(bullet)
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# 外星人类
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class Alien(pygame.sprite.Sprite):
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def __init__(self):
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"""初始化外星人对象"""
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super().__init__()
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self.image = alien_img
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self.rect = self.image.get_rect()
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self.reset_position()
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def reset_position(self):
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"""重置外星人位置和速度"""
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self.rect.x = random.randint(0, SCREEN_WIDTH - self.rect.width)
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self.rect.y = random.randint(-150, -40)
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self.speed = random.randint(2, 5)
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def update(self):
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"""更新外星人位置"""
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self.rect.y += self.speed
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if self.rect.top > SCREEN_HEIGHT:
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self.reset_position()
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# 子弹类
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class Bullet(pygame.sprite.Sprite):
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def __init__(self, x, y):
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"""初始化子弹对象"""
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super().__init__()
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self.image = bullet_img
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self.rect = self.image.get_rect()
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self.rect.centerx = x
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self.rect.bottom = y
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self.speed = BULLET_SPEED
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def update(self):
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"""更新子弹位置"""
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self.rect.y -= self.speed
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if self.rect.bottom < 0:
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self.kill()
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# 爆炸效果类
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class Explosion(pygame.sprite.Sprite):
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def __init__(self, center, size):
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super().__init__()
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self.size = size
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self.frame = 0
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self.image = self.create_explosion_frame(self.frame, self.size)
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self.rect = self.image.get_rect()
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self.rect.center = center
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self.last_update = pygame.time.get_ticks()
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self.frame_rate = 50 # 爆炸动画帧率
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def create_explosion_frame(self, frame, size):
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"""创建爆炸动画的一帧"""
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# 根据帧数创建不同大小的爆炸圆圈
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image = pygame.Surface((size, size), pygame.SRCALPHA)
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max_radius = size // 2
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if frame < 5: # 爆炸扩大阶段
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radius = max_radius * (frame + 1) // 5
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alpha = 255
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else: # 爆炸消失阶段
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radius = max_radius
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alpha = 255 * (10 - frame) // 5
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# 绘制爆炸圆圈
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pygame.draw.circle(image, (255, 200, 50, alpha), (size // 2, size // 2), radius)
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pygame.draw.circle(image, (255, 120, 0, alpha), (size // 2, size // 2), radius * 3 // 4)
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pygame.draw.circle(image, (255, 255, 255, alpha), (size // 2, size // 2), radius // 2)
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return image
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def update(self):
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now = pygame.time.get_ticks()
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if now - self.last_update > self.frame_rate:
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self.last_update = now
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self.frame += 1
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if self.frame < 10: # 总共10帧动画
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self.image = self.create_explosion_frame(self.frame, self.size)
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else:
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self.kill() # 动画结束后删除精灵
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# 游戏状态类
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class GameState:
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def __init__(self):
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"""初始化游戏状态"""
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self.score = 0
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self.game_over = False
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self.reset_game()
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def reset_game(self):
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"""重置游戏状态和精灵组"""
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global all_sprites, aliens, bullets, player, explosions
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# 创建精灵组
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all_sprites = pygame.sprite.Group()
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aliens = pygame.sprite.Group()
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bullets = pygame.sprite.Group()
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explosions = pygame.sprite.Group()
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# 创建玩家实例并添加到精灵组
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player = Player()
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all_sprites.add(player)
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# 创建多个外星人实例并添加到精灵组
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for i in range(ALIEN_COUNT):
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alien = Alien()
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all_sprites.add(alien)
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aliens.add(alien)
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# 重置游戏状态
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self.score = 0
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self.game_over = False
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# 创建游戏状态实例
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game_state = GameState()
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# 预渲染文本
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try:
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game_over_text = chinese_font_large.render("游戏结束", True, SCORE_COLOR)
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restart_text = chinese_font_medium.render("按 R 键重新开始", True, SCORE_COLOR)
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score_label = chinese_font_medium.render("得分: ", True, SCORE_COLOR)
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except:
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game_over_text = pygame.font.Font(None, 48).render("GAME OVER", True, SCORE_COLOR)
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restart_text = pygame.font.Font(None, 36).render("Press R to Restart", True, SCORE_COLOR)
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score_label = pygame.font.Font(None, 36).render("Score: ", True, SCORE_COLOR)
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# 游戏主循环
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clock = pygame.time.Clock()
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running = True
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while running:
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# 处理事件
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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running = False
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elif event.type == pygame.KEYDOWN:
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if event.key == pygame.K_ESCAPE:
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running = False
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elif event.key == pygame.K_r and game_state.game_over:
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game_state.reset_game()
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elif event.key == pygame.K_SPACE and not game_state.game_over:
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player.shoot()
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# 更新游戏状态
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if not game_state.game_over:
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# 更新所有精灵
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all_sprites.update()
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# 检查子弹和外星人的碰撞
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hits = pygame.sprite.groupcollide(bullets, aliens, True, True)
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for hit in hits:
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game_state.score += 10
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# 创建爆炸效果
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explosion = Explosion(hit.rect.center, 50)
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all_sprites.add(explosion)
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explosions.add(explosion)
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# 创建新的外星人
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alien = Alien()
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all_sprites.add(alien)
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aliens.add(alien)
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# 检查玩家和外星人的碰撞
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hits = pygame.sprite.spritecollide(player, aliens, True)
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if hits:
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# 创建大爆炸效果
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explosion = Explosion(player.rect.center, 100)
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all_sprites.add(explosion)
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explosions.add(explosion)
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game_state.game_over = True
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# 绘制
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screen.fill(BACKGROUND_COLOR)
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all_sprites.draw(screen)
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# 显示得分
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screen.blit(score_label, (10, 10))
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try:
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score_value = chinese_font_medium.render(str(game_state.score), True, SCORE_COLOR)
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except:
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score_value = pygame.font.Font(None, 36).render(str(game_state.score), True, SCORE_COLOR)
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screen.blit(score_value, (10 + score_label.get_width(), 10))
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# 游戏结束逻辑
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if game_state.game_over:
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# 绘制半透明覆盖层
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overlay = pygame.Surface((SCREEN_WIDTH, SCREEN_HEIGHT), pygame.SRCALPHA)
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overlay.fill((0, 0, 0, 128))
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screen.blit(overlay, (0, 0))
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# 显示游戏结束文本
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screen.blit(game_over_text, (SCREEN_WIDTH // 2 - game_over_text.get_width() // 2,
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SCREEN_HEIGHT // 2 - game_over_text.get_height() // 2))
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# 显示重新开始提示
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screen.blit(restart_text, (SCREEN_WIDTH // 2 - restart_text.get_width() // 2,
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SCREEN_HEIGHT // 2 + game_over_text.get_height()))
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# 更新屏幕
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pygame.display.flip()
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# 控制帧率
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clock.tick(FPS)
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# 退出Pygame
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pygame.quit()
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sys.exit() |