unityecs02

using Unity.Entities;
using Unity.Rendering;
using Unity.Transforms;

public class Main : MonoBehaviour
{
    private World _world;

    void OnEnable()
    {
        _world = World.Active = new World("MyWorld");
        _world.CreateManager<EntityManager>();

        ScriptBehaviourUpdateOrder.UpdatePlayerLoop(_world);
    }

    void OnDisable()
    {
        ScriptBehaviourUpdateOrder.UpdatePlayerLoop(null);
        _world.Dispose();
    }
}