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Learn Unity ML-Agents ??? Fundamentals of Unity Machine Learning

You're reading from   Learn Unity ML-Agents ??? Fundamentals of Unity Machine Learning Incorporate new powerful ML algorithms such as Deep Reinforcement Learning for games

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781789138139
Length 204 pages
Edition 1st Edition
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Author (1):
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Micheal Lanham Micheal Lanham
Author Profile Icon Micheal Lanham
Micheal Lanham
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Multi-agent environments

It likely started out as a fun experiment, but as it turns out, letting agents compete against themselves can really amp up training, and, well, it's just cool. There are a few configurations we can set up when working with multiple agents. The BananaCollector example we will look at uses a single brain shared among multiple competing agents. Open up Unity and follow this exercise to set up the scene:

  1. Load the BananaCollectorBananaRL scene file located in the Assets/ML-Agents/Examples/BananaCollectors/ folder.
  2. Leave the Brain on Player; if you changed it, change it back.
  3. Run the scene in Unity. Use the WASD keys to move the agent cubes around the scene and collect bananas. Notice how there are multiple cubes responding identically. That is because each agent is using the same brain.
  4. Expand the RLArea object in the Hierarchy window, as shown in the...
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