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74 lines
2.8 KiB
74 lines
2.8 KiB
import pygame.font
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from pygame.sprite import Group
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from ship import Ship
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class Scoreboard():
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"""显示得分信息类"""
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def __init__(self, ai_settings, screen, stats):
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"""初始化得分涉及的属性"""
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pygame.init()
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self.screen = screen
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self.screen_rect = screen.get_rect()
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self.ai_settings = ai_settings
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self.stats = stats
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# 显示得分信息使用的字体设置
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self.text_color = (30, 30, 30)
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# self.font = pygame.font.SysFont(None, 48)
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self.font = pygame.font.SysFont("arial", 48)
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# 准备包含最高得分和当前得分、当前等级的图像
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self.prep_score()
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self.prep_high_score()
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self.prep_level()
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self.prep_ships()
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def prep_score(self):
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"""将得分转换为一种渲染的图像"""
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rounded_score = int(round(self.stats.score, -1))
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score_str = "{:,}".format(rounded_score)
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self.score_image = self.font.render(score_str, True, self.text_color, self.ai_settings.bg_color)
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# 将得分放在屏幕右下角
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self.score_rect = self.score_image.get_rect()
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self.score_rect.right = self.screen_rect.right - 20
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self.score_rect.top = 20
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def prep_high_score(self):
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"""将最高得分转换为渲染图像"""
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high_score = int(round(self.stats.high_score, -1))
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high_score_str = "{:,}".format(high_score)
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self.high_score_image = self.font.render(high_score_str, True, self.text_color, self.ai_settings.bg_color)
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# 将最高得分放在屏幕中央
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self.high_score_rect = self.high_score_image.get_rect()
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self.high_score_rect.centerx = self.screen_rect.centerx
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self.high_score_rect.top = self.score_rect.top
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def prep_level(self):
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"""将等级转换成渲染的图像"""
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self.level_image = self.font.render(str(self.stats.level), True, self.text_color, self.ai_settings.bg_color)
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# 将等级放在得分下方
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self.level_rect = self.level_image.get_rect()
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self.level_rect.right = self.score_rect.right
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self.level_rect.top = self.score_rect.bottom + 10
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def prep_ships(self):
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"""显示还余下多少艘飞船"""
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self.ships = Group()
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for ship_number in range(self.stats.ships_left):
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ship = Ship(self.ai_settings, self.screen)
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ship.rect.x = 10 + ship_number * ship.rect.width
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ship.rect.y = 10
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self.ships.add(ship)
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def show_score(self):
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"""在屏幕上显示飞船和得分"""
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self.screen.blit(self.score_image, self.score_rect)
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self.screen.blit(self.high_score_image, self.high_score_rect)
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self.screen.blit(self.level_image, self.level_rect)
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# 绘制飞船
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self.ships.draw(self.screen)
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