DragPhysics2DObjectVer2

using UnityEngine;
using UnityEngine.EventSystems;

namespace Levels.Logic
{
    public class DragPhysics2DObjectVer2 : MonoBehaviour, IDragHandler, IEndDragHandler
    {
        [SerializeField] private Camera _camera;
        [SerializeField] private Rigidbody2D _rigidbody2D = null;
        [SerializeField] private float _velocityMultiplier = 10f;
        [SerializeField] private bool _otherRigidbody;
        [SerializeField] private MoveType _moveType = MoveType.XY;
        [SerializeField] private bool _isFreezePositionWhenNotMoved = false;

        private Vector3 _previousDragPosition;
        private Vector2 _direction;
        private Vector3 _currentDragPosition;
        private Vector2 _newPosition;
        private bool _isCanDrag = true;
        private bool _isCanMove = false;

        private Vector2 _offset;
        private bool _isInput = false;
        private bool _isClickOnObject = false;
        private RigidbodyConstraints2D _previousConstraint;
        public bool IsClickOnObject => _isClickOnObject;

        public bool IsCanDrag
        {
            get => _isCanDrag;
            set => _isCanDrag = value;
        }

        public Rigidbody2D Rigidbody2D => _otherRigidbody
            ? _rigidbody2D
            : _rigidbody2D != null && ReferenceEquals(_rigidbody2D.gameObject, gameObject)
                ? _rigidbody2D
                : _rigidbody2D = GetComponent<Rigidbody2D>();

        public Camera Camera => _camera != null ? _camera : _camera = Camera.main;

#if UNITY_EDITOR
        private void OnValidate()
        {
            var rigidbody2D1 = Rigidbody2D;
            var camera1 = Camera;
        }
#endif

        private void Awake()
        {
            var camera1 = Camera;
            IsCanDrag = true;
            _previousConstraint = Rigidbody2D.constraints;
        }

        public void OnDrag(PointerEventData eventData)
        {
            if (IsCanDrag == false)
            {
                Rigidbody2D.velocity = Vector2.zero;
                return;
            }

            var screenToWorldPoint = (Vector2) Camera.ScreenToWorldPoint(eventData.position);
            Rigidbody2D.velocity = (screenToWorldPoint - (Rigidbody2D.position + _offset)) * _velocityMultiplier;
        }


        public void OnEndDrag(PointerEventData eventData)
        {
            Rigidbody2D.velocity = Vector2.zero;
        }

        private enum MoveType
        {
            XY,
            X,
            Y,
        }
    }
}