没用的，这是我坚不可摧的堡垒。

It's futile, this is my unshakeable bastion.

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MOUSE

鼠标点击画布，可以看到画面的结构。

After the mouse clicks on the canvas, the 'surface' is peeled off to reveal the 'structure' at the bottom.

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KEY

按 i 键查看真结构。

Press the 'i' key on the keyboard to see the actual structure of the project.
(On a phone, touch the canvas and hold for 1s)

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