import pygame.font class Button(): def __init__(self, ai_settings, screen, msg): """初始化按钮的属性""" self.screen = screen self.screen_rect = 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