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Tower Defense page: distance fields

One reason I prefer having web pages instead of videos or academic papers is that they're easy to update over time. I'm still updati...

In my articles I have to make a tradeoff between making things approachable and including all the little details you might need in a real pr...

One of the things that's bothered me about my Introduction to A* page and also my older A* pages is that I use grids everywhere. I fear...

One thing that annoys me about my own A* pages is that they use grids for the examples. A* is not restricted to grids. A* works on any direc...

People sometimes ask about pathfinding on isometric grids. This is the wrong way to look at it. You're finding paths in the game world ....

I've been working on updating my pathfinding articles with interactive diagrams. While doing so, I realized that I don't like the wa...

I'm working on a tutorial showing how Breadth First Search, Dijkstra's Algorithm, Greedy Best-First Search, and A* are related. I...

The usual pathfinding algorithms I use — Breadth First Search, Dijsktra's Algorithm, A* — run on graphs. In my previous post I described...