bigmanager / entitycomponentsystemsamples

DOTS Samples

• Entities samples
• Netcode samples
• Physics samples
• Entities.Graphics HDRP samples
• Entities.Graphics URP samples

Learning DOTS

For those new to DOTS, here's the recommended sequence to follow through the introductory material in the Entities samples project:

A few short videos introduce the basic concepts of the job system and ECS:

1. Video: The C# Job system (11 minutes)
2. Video: ECS Entities and components (10 minutes)
3. Video: ECS Systems (7 minutes)

You may also want to read the Entities API overview, which is briefer and more sequentially structured than the manual.

These starter samples each have an explanatory video:

• The Jobs Tutorial sample (17 minute walkthrough video) demonstrates creation and scheduling of jobs.
• The HelloCube samples (30 minute walkthrough video) demonstrate very basic Entities usage, such as creating and moving rendered entities in systems and jobs.
• The Tanks tutorial (23 minute walkthrough video) puts the basic elements of Entities and jobs together to demonstrate a small simulation.
• The Kickball tutorial (55 minute walkthrough video) also demonstrates a small simulation, but with a bit more depth.
• The StateChange sample (14 minute walkthrough video) demonstrates three different ways to handle state representation in Entities.

Beyond the above starter samples, there are samples covering Baking, Streaming (for large worlds and scene management), and Miscellaneous.

For quick reference of basic API usage, use these example code snippets and cheat sheets:

• Example code: jobs
• Example code: components and systems
• Example code: baking
• Cheat sheet: collections
• Cheat sheet: mathematics

Finally, there's the ECS Network Racing sample, which is a working DOTS game using DOTS Netcode and Physics.

Release notes

This is the samples release for Unity 2022.3 LTS and the 1.0 release of the Entities, Netcode, Physics, and Entities.Graphics packages.