Game Development

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5:21 AM

I got carried away updating this one too. ;) I wasn't happy with the way I organized that answer, so I tried restructuring and explaining more along the way.

Q: How does a 4x4 matrix represent an object in space and matrix lore?

I have been following some tutorials on how Matrix maths works, with adding, dividing, scaling, etc, but I am struggling to understand how the 4x4 matrix represents an object's position in space. There are 16 elements in the array but to my knowledge you only need to use 7 of them? (I am most li...

Fixed some errors along the way, and also learned how to rotate stuff (when I probably shouldn't)! #mathjax-edits

A: Is it possible for me to rotate symbols and operations?

This is possible using the HTML extension $$\require{HTML} \style{display: inline-block; transform: rotate(45deg)}{\Box}$$ $$\require{HTML}\style{display: inline-block; transform: rotate(45deg)}{\Box}$$

DMGregory

5:50 AM

Hm, turns out this breaks in the Android app. :( Alternatives to diagram the column vector are appreciated. ;)

8 hours later…

Pikalek

2:18 PM

@DMGregory Confirming that it renders incorrectly on Android app for me as well.

Pikalek

2:29 PM

I didn't see that error posted when I searched Math Meta. Is it possible to search questions directly for mathjax markdown terms?

Almo

POWER USER ALERT

vwoop vwoop vwoop

Pikalek

Huh, I can't reply to my own message in chat.. Weird. Anyway, you can only sometimes sort of search for mathjax: math.meta.stackexchange.com/questions/6180/…

Pikalek

2:53 PM

Well, here's something that doesn't work: I thought maybe you could replicate the look of a rotated vector bracket by stringing together the characters "┌─┐" and "└─┘". But when I tried to use them in mathjax, their horizontal alignment changes: