You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

74 lines
2.8 KiB

import pygame.font
from pygame.sprite import Group
from ship import Ship
class Scoreboard():
"""显示得分信息类"""
def __init__(self, ai_settings, screen, stats):
"""初始化得分涉及的属性"""
pygame.init()
self.screen = screen
self.screen_rect = screen.get_rect()
self.ai_settings = ai_settings
self.stats = stats
# 显示得分信息使用的字体设置
self.text_color = (30, 30, 30)
# self.font = pygame.font.SysFont(None, 48)
self.font = pygame.font.SysFont("arial", 48)
# 准备包含最高得分和当前得分、当前等级的图像
self.prep_score()
self.prep_high_score()
self.prep_level()
self.prep_ships()
def prep_score(self):
"""将得分转换为一种渲染的图像"""
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)
# 将得分放在屏幕右下角
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):
"""将最高得分转换为渲染图像"""
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)
# 将最高得分放在屏幕中央
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):
"""将等级转换成渲染的图像"""
self.level_image = self.font.render(str(self.stats.level), True, self.text_color, self.ai_settings.bg_color)
# 将等级放在得分下方
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):
"""显示还余下多少艘飞船"""
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):
"""在屏幕上显示飞船和得分"""
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)
# 绘制飞船
self.ships.draw(self.screen)