Snazz

u/Snazz@lemmy.world
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Quaternions are useful, but no means necessary or intrinsic to 3d graphics.

They are useful for describing rotations in 3d space, but the same can be done with a matrix, or even Euler angles. It’s just a more calculations.

That said, basically all the major game engines use quaternions, so unless you are creating your own 3d renderer, you have to learn at least the basics about them.

Quaternions really shine at spherical interpolation (Slerp - yes thats the real terminology) between two rotations.

on don't worry · c/lemmyshitpost · 1 pts · 6d

My identity matrix is so strong it has identities of its own! A string of the multiplicative identity along the diagonal and additive identities everywhere else.

on Which is it Lemmy? · c/lemmyshitpost · 1 pts · 6d

Moving the orange portal kinda does ‘drag the whole surroundings’. It moves an entire universe.

The cube is stationary relative to the universe of the platform it’s on, but it has momentum relative to the universe through the portal. The question is which universe is the cube in? What is the boundary of the portal surface?

on That's a shit beer! · c/lemmyshitpost · 1 pts · 17d

They gave free beer to everyone they pranked in this video, and although we can’t know for sure, the dude seems to be in high spirits at the end.

Worth noting here that correlation does not imply causation and political identity is mutable.

It could be the case that people near the end of their lives are more likely to align with conservative values.

This is so sloppy. Did you even read it? Even disregarding where it’s incorrect, you should be able to catch this of you possess a brain:

When a slime or honey block is pushed or pulled, it attempts to drag every movable block it is directly adjacent to (face, edge, or corner — faces only in Java; faces only in Bedrock too, corners excluded in both).

Edit: here are some actual resources on piston mechanics and flying machines from people who know what they are talking about:

Piston Mechanics writeup by Space Walker

First video of a series explaining flying machines by Voiding

Seems like an odd thing to do. The compiled binary is already available and mod makers tend to use yarn mappings because they were available before Mojang’s.

Yes you can but it’s kind of hidden.

In Prism, it’s super easy to set up an instance, throw in a mod loader, and filter, download, and update compatible mods in the app. It also allows you to choose and configure the Java version easily per instance, view logs, and export instances.

It also has the cat button, which shows a cat :3

on 123 + 456 = 123456 · c/memes · 6 pts · 64d

Base-n is a numeral positioning system where the value of each digit is n times the value of the dight directly to its right.

We typically don’t let the maximum digit we use to be greater than or equal to n because then there would be multiple ways to express the same number.

However when working with weird bases, sometimes it’s useful to forgo this convention.

Disregarding whether it would really be you…

Would you trust the company that made the teleporter with the blueprints of your body?

This whole trolly situation is suspicious. Seems like a setup by big teleport to build their clone army.

Don’t believe me? Take a closer look at the people on the rail… each of them are the same person!

Very cool!

I suspect that the minecart issue could also be solved by launching the cart upwards through the portal with a slime block. Then on the end side, use a rail on top of scaffolding 3 blocks above the obsidian platform to catch it.

Scaffold has no bottom collision, so the cart can fly upwards through it and land on the rail.

What I would have done is started filling in letters randomly and every time a C or W ends up next to an O, choose the same letter or an O to put on the opposite side of the O.

Its hard to prove, but I’m pretty sure there isn't a situation where a space can’t be filled in with this algorithm.