它加载图像、渲染显示、响应用户动作(鼠标和键盘事件)并控制游戏的整个进程。
It loads images, renders the display, responds to user actions (mouse and keyboard events), and controls the whole process of the game.
这个显示实例允许您处理每个用户输入(鼠标或键盘)来处理您的GUI。
The display allows you to process each user input (mouse or keyboard) to drive your GUI.
鼠标或者键盘事件必须显示相同的输出结果。
Mouse or keyboard events must always produce the same output.
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