scoreboard.py

import pygame.font
from pygame.sprite import Group
from ship import Ship

class Scoreboard():
	#显示分数
	def __init__(self,ai_settings,screen,stats):

		self.screen=screen
		self.screen_rect=screen.get_rect()
		self.ai_settings = ai_settings
		self.stats = stats

		#初始化文字
		self.text_color=(30,30,30)
		self.font = pygame.font.SysFont(None,48)

		#初始化图像 文字转化为图像
		self.prep_score()
		self.prep_high_score()
		self.prep_level()
		self.prep_ships()

	def prep_score(self):
		#文字转化为图像
		score_str = str(self.stats.score)

		rounded_score = int(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)


		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):
		#最高分
		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)

		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):
		#等级
		self.level_image = self.font.render(str(self.stats.level),True,self.text_color,self.ai_settings.bg_color)

		#放置位置
		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):
		#船的个数
		self.ships =Group()
		for ship_number in range(self.stats.ships_left):
			ship = Ship(self.ai_settings,self.screen)
			ship.rect.x = 10 + ship_number * ship.rect.width
			ship.rect.y = 10
			self.ships.add(ship)





	def show_score(self):
		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)