ECS ハイブリットその１

JumpSystem.cs

using UnityEngine;
using Unity.Entities;

public class JumpSystem : ComponentSystem
{
    struct Group
    {
        public ComponentArray<Rigidbody2D> rigidbody2ds;
    }

    [Inject] Group group;

    protected override void OnUpdate()
    {
        if (Input.GetMouseButtonDown(0))
            group.rigidbody2ds[0].velocity = new Vector2(0, 3f);
    }
}