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- Turning 8-Bit Sprites into Printable 3D Models
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- Implementing Multidimensional Arrays in JavaScript
- Comparing Sequences Without Sorting
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# Author Archives: mikolalysenko

## Texture atlases, wrapping and mip mapping

Today I want to write about what is probably the single most common question that gets asked regarding greedy meshes. Specifically: How can greedy meshes be texture mapped? One naive solution might be to create a separate texture for each … Continue reading Continue reading

Posted in Miscellaneous
17 Comments

## Ambient occlusion for Minecraft-like worlds

It has been a while since I’ve written about Minecraft-like games, and so today I figured I’d take a moment to discuss something which seems to come up a lot in online discussions, specifically how to implement ambient occlusion in … Continue reading

Posted in Programming, Voxels
15 Comments

## Relations are hard to model in category theory

WARNING: This is a somewhat rambling post about category theory. If half-baked mathematical philosophy is not your thing, please consider navigating away right now. Anyway, the thing that I want to write about today is the difference between category theory … Continue reading

Posted in Mathematics, Rambling
2 Comments

## ndarray modules

In the last two posts I introduced ndarrays, and explained the rationale and implementation details of the library. In this post I am going to show a few of the libraries that I have written using ndarrays. All of this … Continue reading

Posted in Mathematics, Programming
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## Cache oblivious array operations

I must confess that secretly the article I wrote last time (in which I introduced ndarrays) was just a pretext to introduce the stuff that I am going to write about today: which is the cwise library for array operations … Continue reading

Posted in Mathematics, Programming
3 Comments

## Implementing Multidimensional Arrays in JavaScript

The past few months I’ve been working to move more of my work into JavaScript, and in particular the node.js ecosystem. I hope that by doing this I will be able to create better demos and applications that are easier … Continue reading

Posted in Mathematics, Programming
19 Comments

## Comparing Sequences Without Sorting

This is a post about a silly (and mostly pointless) optimization. To motivate this, consider the following problem which you see all the time in mesh processing: Given a collection of triangles represented as ordered tuples of indices, find all … Continue reading

Posted in Mathematics, Programming
24 Comments

## CommonJS: Why and How

As I said last time, I want to start moving more of my stuff into npm, and so I think perhaps today would be a good time to explain why I think this is the right way to go, and … Continue reading

## New Year’s Resolution: Post more stuff on npm

First thing, I’d like to help announce/promote a project which I think is pretty cool (but am not directly involved in) which is voxeljs. It is being developed by @maxogden and @substack, both of which are very active in the … Continue reading

## Shapes and Coordinates

In a previous post, I talked a bit about solid modeling and discussed at a fairly high level what a solid object is. This time I’m going to talk in generalities about how one actually represent shapes in practice. My … Continue reading

Posted in Mathematics, Shape Modeling
1 Comment