| # Background: Unity | |
| If you are not familiar with the [Unity Engine](https://unity3d.com/unity), we | |
| highly recommend the [Unity Manual](https://docs.unity3d.com/Manual/index.html) | |
| and [Tutorials page](https://unity3d.com/learn/tutorials). The | |
| [Roll-a-ball tutorial](https://learn.unity.com/project/roll-a-ball) | |
| is a fantastic resource to learn all the basic concepts of Unity to get started | |
| with the ML-Agents Toolkit: | |
| - [Editor](https://docs.unity3d.com/Manual/UsingTheEditor.html) | |
| - [Scene](https://docs.unity3d.com/Manual/CreatingScenes.html) | |
| - [GameObject](https://docs.unity3d.com/Manual/GameObjects.html) | |
| - [Rigidbody](https://docs.unity3d.com/ScriptReference/Rigidbody.html) | |
| - [Camera](https://docs.unity3d.com/Manual/Cameras.html) | |
| - [Scripting](https://docs.unity3d.com/Manual/ScriptingSection.html) | |
| - [Physics](https://docs.unity3d.com/Manual/PhysicsSection.html) | |
| - [Ordering of event functions](https://docs.unity3d.com/Manual/ExecutionOrder.html) | |
| (e.g. FixedUpdate, Update) | |
| - [Prefabs](https://docs.unity3d.com/Manual/Prefabs.html) | |