class Item: def init(self,l,t,w,h,index,font): self.rect = pygame.Rect(l,t,w,h) self.index = index self.font = font def display_names(self,surface,name,cost,selected): color = TEXT_COLOR_SELECTED if selected else TEXT_COLOR title_surf = self.font.render(name,False,color) title_rect = title_surf.get_rect(midtop = self.rect.midtop + pygame.math.Vector2(0,20)) cost_surf = self.font.render(f'{int(cost)}',False,color) cost_rect = cost_surf.get_rect(midbottom = self.rect.midbottom - pygame.math.Vector2(0,20)) surface.blit(title_surf,title_rect) surface.blit(cost_surf,cost_rect) def display_bar(self,surface,value,max_value,selected): # drawing setup top = self.rect.midtop + pygame.math.Vector2(0,60) bottom = self.rect.midbottom - pygame.math.Vector2(0,60) color = BAR_COLOR_SELECTED if selected else BAR_COLOR # bar setup full_height = bottom[1] - top[1] relative_number = (value / max_value) * full_height value_rect = pygame.Rect(top[0] - 15,bottom[1] - relative_number,30,10) # draw elements pygame.draw.line(surface,color,top,bottom,5) pygame.draw.rect(surface,color,value_rect) def trigger(self,player): upgrade_attribute = list(player.stats.keys())[self.index] if player.exp >= player.upgrade_cost[upgrade_attribute] and player.stats[upgrade_attribute] < player.max_stats[upgrade_attribute]: player.exp -= player.upgrade_cost[upgrade_attribute] player.stats[upgrade_attribute] *= 1.2 player.upgrade_cost[upgrade_attribute] *= 1.4 if player.stats[upgrade_attribute] > player.max_stats[upgrade_attribute]: player.stats[upgrade_attribute] = player.max_stats[upgrade_attribute] def display(self,surface,selection_num,name,value,max_value,cost): if self.index == selection_num: pygame.draw.rect(surface,UPGRADE_BG_COLOR_SELECTED,self.rect) pygame.draw.rect(surface,UI_BORDER_COLOR,self.rect,4) else: pygame.draw.rect(surface,UI_BG_COLOR,self.rect) pygame.draw.rect(surface,UI_BORDER_COLOR,self.rect,4) self.display_names(surface,name,cost,self.index == selection_num) self.display_bar(surface,value,max_value,self.index == selection_num)
时间: 2024-02-29 09:53:55 浏览: 98
Python项目开发实战:坦克大战游戏(案例教程实例课程).pdf
这段代码是用 Python 编写的一个类 Item,其中定义了一些方法,包括 display_names、display_bar 和 trigger。这些方法分别用于显示物品名称和花费、显示进度条和触发物品效果。该类的实例可以在界面上显示物品信息,并且在玩家选中该物品时会显示不同的背景颜色。该类的实例还可以被玩家触发,以实现物品效果。
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