Greggman

``` // Then let's make a function to // re-draw everything. We can call this // function after we update the translation. ```

Sorry about that. I agree it's not as clear as it could be

installing modules from github is normal. What errors are you getting?

You could try deleting package-lock.json and editing package.json these 2 lines "@gfxfundamentals/lesson-builder": "git://github.com/gfxfundamentals/lesson-builder.git#v1.4.1", "@gfxfundamentals/live-editor": "git://github.com/gfxfundamentals/live-editor.git#v1.0.8", Change to this "@gfxfundamentals/lesson-builder": "https://github.com/gfxfundamentals/lesson-builder.git#v1.4.1", "@gfxfundamentals/live-editor": "https://github.com/gfxfundamentals/live-editor.git#v1.0.8", or this "@gfxfundamentals/lesson-builder": "git+https://github.com/gfxfundamentals/lesson-builder.git#v1.4.1", "@gfxfundamentals/live-editor": "git+https://github.com/gfxfundamentals/live-editor.git#v1.0.8", and see...

You should almost never use `sudo` with npm this repo certainly doesn't need `sudo`. I am not an npm expert. If it was me I'd probably delete `/Users/mirocros/.npm` or rename...

I'm sorry you're running into problems. I don't know how to help. It's should be as simple as ``` git clone https://github.com/gfxfundamentals/webgl2-fundamentals.git cd webgl2-fundamentals npm install npm run build npm...

Note: you can download the built site [here](https://github.com/gfxfundamentals/webgl2-fundamentals/archive/gh-pages.zip)

Oh, one more thing, building doesn't do anything except build the articles from .md files into .html files and generate the table of contents. All the examples and diagrams just...

The reason you can take the lines out is because there is only one VAO in those samples. As soon as you have 2 VAOs you'd have to put the...

Thanks for the report and sorry it's confusing The first example is manually dividing by Z. The problem with manually dividing by Z is the sign is lost. Example (-6...