lanlib/Samples/UpdateManager/TestFollowTarget.cs

using LanLib.UpdateManager;
using UnityEngine;

namespace Samples.UpdateManager
{
    public class TestFollowTarget : AManagedBehaviour, IUpdatable
    {
        [SerializeField] private Camera camera;

        private void Awake()
        {
            if (!camera)
            {
                camera = Camera.main;
            }
        }

        public void ManagedUpdate()
        {
            if (!Input.GetMouseButton(0))
            {
                return;
            }

            var ray = camera.ScreenPointToRay(Input.mousePosition);
            var xz = new Plane(transform.up * 10, transform.position);
            if (xz.Raycast(ray, out float z))
            {
                transform.position = ray.GetPoint(z);
            }
        }
    }
}