# Tianke Youke

A Base for Secreting and Running at Night

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Code Typing Practice (or source code on Github: here) is a tiny web page that I wrote for fun last semester, which is for me myself to practice code typing. It is a naive Django web app (with bugs🤪). BUT! I find a service to deploy it lively today. That's what is worth noting down now.

Okayyyyyyyy!!!

1. Vertices order determines face orientation.

e.g., f 1 2 3 and f 1 3 2 are 2 opposite faces

2. Another thing is, faces are invisible from backside by default!!!

In Meshlab here is a setting back-face which by default is single. If set it as double, then the face will be visible from backside.

Meanwhile, the Preview of MacOS also makes faces transparent from opposite orientation. Like this:

Finally my sphere is correct:

——晏殊《浣溪沙》