Learn Unity ML-Agents - Fundamentals of Unity Machine Learning

Setting the agent Brain

As you witnessed, the scene is currently set for Player control, but obviously we want to see how some of this ML-Agents stuff works. In order to do that, we need to change the Brain type the agent is using. Follow along to switch the Brain type in the 3D Ball agent:

1. Locate the Ball3DAcademy object in the Hierarchy window and expand it to reveal the Ball3DBrain object.
2. Select the Ball3DBrain object and then look to the Inspector window, as shown in the following screenshot:

Switching the Brain on the Ball3DBrain object

3. Switch the Brain component, as shown in the preceding excerpt, to the Heuristic setting. The