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scoreboard.py
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scoreboard.py
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import pygame.font
#为了在屏幕上显示剩余飞船
from pygame.sprite import Group
from ship import Ship
class Scoreboard():
"""显示得分信息的类"""
def __init__(self,screen,stats,ai_settings):
"""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,48) #实例化一个字体对象
#准备初始得分,最高分,,,图像
self.prep_score()
self.prep_high_score()
self.prep_level()
self.prep_ships()
def prep_score(self):
"""将得分转换为一幅渲染的图像"""
#将得分圆整到10的整数倍,并插入','表示的千位分隔符
rounded_score=int(round(self.stats.score,-1)) #精确到小数点后几位,负数表示圆整
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):
"""将最高分渲染成图像"""
high_score = int(round(self.stats.high_score, -1))
high_score_str = "{:,}".format(high_score)
self.high_score_image = self.font.render(high_score_str, True, self.text_color, self.ai_settings.bg_color)
# 将最高分放在屏幕顶部中央
self.high_score_rect = self.high_score_image.get_rect()
self.high_score_rect.centerx = self.screen_rect.centerx
self.high_score_rect.top = self.score_rect.top
def prep_level(self):
"""将等级渲染成图像"""
self.level_image=self.font.render(str(self.stats.level),True,self.text_color,self.ai_settings.bg_color)
#将等级放在得分下面
self.level_rect=self.level_image.get_rect()
self.level_rect.right=self.score_rect.right
self.level_rect.top=self.score_rect.bottom+10
def prep_ships(self):
"""显示还剩多少飞船"""
self.ships=Group()
for ships_number in range(self.stats.ships_left):
ship=Ship(self.ai_settings,self.screen)
ship.rect.x=10+ships_number*ship.rect.width
ship.rect.y=10
self.ships.add(ship)
def show_score(self):
"""在屏幕上显示得分,最高分,,,图像"""
self.screen.blit(self.score_image,self.score_rect)
self.screen.blit(self.high_score_image,self.high_score_rect)
self.screen.blit(self.level_image,self.level_rect)
self.ships.draw(self.screen)