scoreboard.py

import pygame.font


class Scoreboard:
    """游戏信息统计面板"""
    def __init__(self, ai_settings, screen, stats):
        """初始化显示得分涉及的属性"""
        self.screen = screen
        self.screen_rect = screen.get_rect()
        self.ai_settings = ai_settings
        self.stats = stats

        # 显示得分信息时使用的字体设置
        self.text_color = (30, 30, 30)
        self.font = pygame.font.SysFont(None, 46)

        # 准备初始得分图像
        self.prep_score()
        self.prep_high_score()

    def prep_score(self):
        """将得分渲染为一副显示得分信息的图像"""
        rounded_score = round(self.stats.score, -1)
        score_str = "{:,}".format(rounded_score)
        self.score_image = self.font.render(score_str, True, self.text_color, self.ai_settings.bg_color)

        # 将得分放在屏幕右上角
        self.score_rect = self.score_image.get_rect()
        self.score_rect.right = self.screen_rect.right - 20
        self.score_rect.top = 20

    def prep_high_score(self):
        rounded_high_score = round(self.stats.high_score, -1)
        high_score_str = "{:,}".format(rounded_high_score)
        self.high_score_image = self.font.render(high_score_str, True, self.text_color, self.ai_settings.bg_color)

        # 将最高得分放在屏幕上方的中间
        self.high_score_rect = self.high_score_image.get_rect()
        self.high_score_rect.centerx = self.screen_rect.centerx
        self.high_score_rect.top = 20

    def show_score(self):
        """ 在屏幕上显示得分 """
        self.screen.blit(self.score_image, self.score_rect)
        self.screen.blit(self.high_score_image, self.high_score_rect)