Blobs in Games

You may know me for my interactive tutorials. But before that, I was writing visual but non-interactive tutorials. In particular, there wasn't a lot of information about A* on the web, so I deci...

https://www.redblobgames.com/blog/2024-04-27-flow-field-pathfinding/

On my pages I often want to be able to move an object around in a diagram using the mouse or touch. Last year I spent some time learning about browser mouse+touch events, and wrote a page about ...

https://www.redblobgames.com/blog/2024-04-17-draggable-examples/

Earlier this year I was trying to improve font rendering in some of my C++ projects , and that led me down a rabbit hole of learning signed distance field (SDF) font rendering. I wanted to try o...

https://www.redblobgames.com/blog/2024-04-13-testing-font-code/

In Week 4 of the year, I tried out various ways of using distances in signed distance field fonts. In Week 5 I wanted to do something different. I decided to explore what I could do treating eac...

https://www.redblobgames.com/blog/2024-03-30-text-effects/

In the last post I described how I fell into the font rendering rabbit hole. I try to put some time limits on each topic — otherwise I would explore forever! I try to pick a theme each week: ...

https://www.redblobgames.com/blog/2024-03-27-distance-field-effects/

Each week I pick one or two things to work on. In week 2 of this year, I decided I should update my "hello world" OpenGL+Emscripten code from 2015. It's boilerplate I use occasionally in other ...

https://www.redblobgames.com/blog/2024-03-21-sdf-fonts/

For some time now I've been unhappy with how much more friction there is when posting to my blog than posting to twitter . I keep wanting to blog more but I don't. Part of the problem is conten...

https://www.redblobgames.com/blog/2024-03-08-new-blog/