Interesting simulation! Would you mind sharing some of the resources you have used while learning Unity DOTS?
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Yes, here they are (however I must say that there is not much good video tutorials):
ECS overview: https://docs.unity3d.com/Packages/com.unity.entities@0.17/manual/index.html
Samples to look at: https://github.com/Unity-Technologies/EntityComponentSystemSamples
Unity Physics (= physics engine for DOTS): https://docs.unity3d.com/Packages/com.unity.physics@0.6/manual/index.html
Youtube tutorials: https://www.youtube.com/c/CodeMonkeyUnity