import pygame.font
class Button:
def __init__(self, ai_game, msg):
"""初始化按钮的属性"""
self.screen = ai_game.screen
self.screen_rect = self.screen.get_rect()
# 设置按钮的尺寸和其他属性
self.width, self.height = 200, 50
self.button_color = (0, 255, 0)
self.text_color = (255, 255, 255)
self.font = pygame.font.SysFont("Arial", 48)
# 创建按钮的rect对象,并使其居中
self.rect = pygame.Rect(0, 0, self.width, self.height)
self.rect.center = self.screen_rect.center
# 按钮的标签只需创建一次
self._prep_msg(msg)
def _prep_msg(self, msg):
"""将msg渲染为图像,并使其在按钮上居中"""
self.msg_image = self.font.render(msg, True, self.text_color,
self.button_color)
self.msg_image_rect = self.msg_image.get_rect()
self.msg_image_rect.center = self.rect.center
def draw_button(self):
# 绘制一个用颜色填充的按钮,再绘制文本
self.screen.fill(self.button_color, self.rect)
self.screen.blit(self.msg_image, self.msg_image_rect)
这是按钮的类。
import sys
from time import sleep
import pygame
from settings import Settings
from game_stats import GameStats
from scoreboard import Scoreboard
from button import Button
from ship import Ship
from bullet import Bullet
from alien import Alien
class AlienInvasion:
"""管理游戏和行为的类"""
def __init__(self):
"""初始化游戏并创建游戏资源"""
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode((self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption('Alien Invasion')
# 创建存储游戏统计信息的实例
# 并创建积分牌
# 设置背景颜色
self.bg_color = (230, 230, 230)
# 创建一个用于存储游戏统计信息的实例
self.stats = GameStats(self)
self.sb = Scoreboard(self)
self.ship = Ship(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
self._create_fleet()
# 创建Play按钮
self.play_button = Button(self, 'Play')
def _check_events(self):
# 响应键盘和鼠标事件。
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
def _check_play_button(self, mouse_pos):
"""在玩家单击Play按钮式开始新游戏"""
# button_clicked = self.play_button.rect.collidepoint(mouse_pos)
if self.play_button.rect.collidepoint(mouse_pos):
# 重置游戏设置
self.settings.initialize_dynamic_settings()
# 重置游戏统计信息
self.stats.reset_stats()
self.stats.game_active = True
self.sb.prep_score()
self.sb.prep_level()
self.sb.prep_ships()
# 清空余下的外星人和子弹
self.aliens.empty()
self.bullets.empty()
# 创建一群新的外星人并让飞船居中
self._create_fleet()
self.ship.center_ship()
# 隐藏鼠标光标
# pygame.mouse.set_visible(False)
def _check_keydown_events(self, event):
"""响应按键"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = True
elif event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_q:
sys.exit()
elif event.key == pygame.K_SPACE:
self._fire_bullet()
def _check_keyup_events(self, event):
"""响应松开"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
elif event.key == pygame.K_LEFT:
self.ship.moving_left = False
def _fire_bullet(self):
"""创建一颗子弹,并将其加入编组bullets中。"""
if len(self.bullets) < self.settings.bullet_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _create_fleet(self):
"""创建外星人群并计算一行能容纳多少个外星人"""
# 外星人的间距为外星人宽度
alien = Alien(self)
alien_width, alien_height = alien.rect.size
available_space_x = self.settings.screen_width - (2*alien_width)
number_aliens_x = available_space_x // (2*alien_width)
# 计算屏幕可容纳多少行外星人
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_height -
(3 * alien_height) - ship_height)
number_rows = available_space_y // (2 * alien_height)
# 创建第一行外星人群
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
def _create_alien(self, alien_number, row_number):
# 创建一个外星人并将其加入当前行
alien = Alien(self)
alien_width, aline_height = alien.rect.size
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
self.aliens.add(alien)
def _check_fleet_edages(self):
"""有外星人到达边缘时采取措施"""
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _change_fleet_direction(self):
"""将整群外星人下移,并改变他们的方向"""
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_drop_speed
self.settings.fleet_direction *= -1
def _update_bullets(self):
"""更新子弹的位置并删除消失的子弹"""
# 更新子弹的位置。
self.bullets.update()
# 删除消失的子弹。
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
self._check_bullet_alien_collisions()
def _check_bullet_alien_collisions(self):
"""响应子弹和外星人碰撞"""
# 删除发生碰撞的子弹和外星人
collisions = pygame.sprite.groupcollide(self.bullets, self.aliens, True, True)
if collisions:
for aliens in collisions.values():
self.stats.score += self.settings.alien_points * len(aliens)
self.sb.prep_score()
self.sb.check_high_score()
if not self.aliens:
# 删除现有的所有子弹,并创建一群新的外星人
self.bullets.empty()
self._create_fleet()
self.settings.increase_speed()
# 提高等级
self.stats.level += 1
self.sb.prep_level()
def _update_aliens(self):
"""更新外星人群中所有外星人的位置"""
self._check_fleet_edages()
self.aliens.update()
# 检测外星人和飞船之间的碰撞
if pygame.sprite.spritecollideany(self.ship, self.aliens):
self._ship_hit()
# 检查是否有外星人到达了屏幕底端
self._check_aliens_bottom()
def _ship_hit(self):
"""响应飞船被外星人撞到"""
if self.stats.ships_left > 0:
# 将ship_left减 1 。
self.stats.ships_left -= 1
self.sb.prep_ships()
# 清空余下的外星人和子弹
self.aliens.empty()
self.bullets.empty()
# 创建一群新的外星人,并将飞船放到屏幕底端的中央
self._create_fleet()
self.ship.center_ship()
# 暂停
sleep(0.5)
else:
self.stats.game_active = False
# pygame.mouse.set_visible(True)
def _check_aliens_bottom(self):
"""检查是否有外星人到达了屏幕底端"""
screen_rect = self.screen.get_rect()
for alien in self.aliens.sprites():
if alien.rect.bottom >= screen_rect.bottom:
# 像飞船被撞一样处理
self._ship_hit()
break
def _update_screen(self):
# 更新屏幕上的图像,并切换到新屏幕
self.screen.fill(self.settings.bg_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
# 显示得分
self.sb.show_score()
# 如果游戏处于非活动状态,就绘制Play按钮
if not self.stats.game_active:
self.play_button.draw_button()
# 让最近绘制的屏幕可见
pygame.display.flip()
def run_game(self):
"""开始游戏的主循环"""
while True:
self._check_events()
if self.stats.game_active:
self.ship.update()
self._update_bullets()
self._update_screen()
self._update_aliens()
if __name__ == '__main__':
# 创建游戏实例并运行游戏
ai = AlienInvasion()
ai.run_game()
这是主程序的类
麻烦前辈帮我看看,是哪里出问题了,谢谢啊 |