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Unity 5.x 2D Game Development Blueprints

You're reading from   Unity 5.x 2D Game Development Blueprints Explore the features of Unity 5 for 2D game development by building three amazing game projects

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781784393106
Length 252 pages
Edition 1st Edition
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Authors (2):
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Francesco Sapio Francesco Sapio
Author Profile Icon Francesco Sapio
Francesco Sapio
Abdelrahman Elsayegh Abdelrahman Elsayegh
Author Profile Icon Abdelrahman Elsayegh
Abdelrahman Elsayegh
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AStar Algorithm in Unity


The AStar Algorithm is famous for being one of the most reliable pathfinding algorithms out there. It is mainly used to find a proper traversable path between two points, as shown in the preceding figure.

We won't be diving into the specifics of the AStar Algorithm, but we will use it in our game to plan the paths of AI characters.

A tool for Unity

Luckily, a great tool to make the process of implementing AStar in Unity already exists, and it is also freely available. It can be downloaded here: http://arongranberg.com/astar/download. I suggest downloading the latest stable release and avoid any beta version for any bugs that it may have, as shown in the following image:

After extracting the downloaded archive, double-click on the package in order to import the necessary files inside Unity. The following screen should appear, and then click on Import:

Afterwards, a new folder will be created, named AstarPathfindingProject, containing all of the files we are going to...

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