![]() From the start node, it starts considering nodes that could lead it to the goal, judging them by relative merit - the cost to get to them plus an estimated cost to get to the goal from them (more on this heuristic estimation later). I'll just post a short reminder, for those who've learned about A* before and can't be bothered to read a full tutorial:Ī* is a greedy best-first search algorithm. Oh, so you know how A* works now! That's really cool, so let's proceed with the tutorial. time passes as you engorge yourself with A* knowledge. I'm sure there are many other articles online - just Google the Amit's is a great resource if you want to learn more about theĪlgorithm. Patrick's article is sufficient for you to understand the algorithm and the rest Pathfinding for Beginners and Amit's A* Pages. ![]() ![]() Two I recommend highly are (in this order): Patrick Lester's A* Others have done itĪlready, and there are wonderful introductions, full of nice diagrams, online. I have no intention of teaching A* in this tutorial.
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