97 lines
3.5 KiB
Python
97 lines
3.5 KiB
Python
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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"""显示得分信息的类"""
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def __init__(self, ai_settings, screen, stats):
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"""初始化相关参数"""
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self.ai_settings = ai_settings
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self.screen = screen
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self.screen_rect = screen.get_rect()
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self.stats = stats
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# 字体设置
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self.text_color = (230, 230, 230)
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self.font = pygame.font.SysFont("Calibri, Arial", 28)
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# 准备得分图像、等级及剩余飞船图像
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self.prep_images()
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def show_score(self):
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"""在屏幕上显示得分、历史记录、等级、大招数"""
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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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self.screen.blit(self.power_image, self.power_rect)
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def prep_images(self):
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"""准备各个图像(得分,历史记录,等级,剩余飞船)"""
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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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self.prep_power()
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def prep_score(self):
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"""将得分渲染为图像"""
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rounded_score = 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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# 将得分放在屏幕右上角
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self.score_rect = self.score_image.get_rect()
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self.score_rect.top = 20
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self.score_rect.right = self.screen_rect.right - 20
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def prep_high_score(self):
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"""将历史记录渲染为图像"""
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rounded_high_score = round(self.stats.high_score, -1)
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high_score_str = "Record: " + "{:,}".format(rounded_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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# 将历史记录放在屏幕左下角
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self.high_score_rect = self.high_score_image.get_rect()
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self.high_score_rect.bottom = self.screen_rect.bottom - 10
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self.high_score_rect.left = self.screen_rect.left + 10
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def prep_level(self):
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"""将等级渲染为图像"""
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level_str = "Level: " + str(self.stats.level)
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self.level_image = self.font.render(level_str, True, self.text_color, self.ai_settings.bg_color)
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# 将等级放在得分下面
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self.level_rect = self.level_image.get_rect()
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self.level_rect.top = self.score_rect.bottom
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self.level_rect.right = self.screen_rect.right - 20
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def prep_ships(self):
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"""显示剩余飞船"""
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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.image = pygame.transform.scale(ship.image,(25, 27))
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ship.rect = ship.image.get_rect()
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ship.rect.x = ship.rect.width * ship_number + 10
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ship.rect.y = 10
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self.ships.add(ship)
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def prep_power(self):
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"""将大招渲染为图像"""
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power_num = int(self.stats.power / self.ai_settings.points_of_power)
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power_str = "Power: " + str(power_num)
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self.power_image = self.font.render(power_str, True, self.text_color, self.ai_settings.bg_color)
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# 将大招数放在屏幕右下
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self.power_rect = self.power_image.get_rect()
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self.power_rect.bottom = self.screen_rect.bottom - 10
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self.power_rect.right = self.screen_rect.right - 10
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