EditorWindowからDOTweenのDOMoveを実行するサンプル

DOTweenMoveWindow.cs

using DG.Tweening;
using UnityEditor;
using UnityEngine;

public class DOTweenMoveWindow : EditorWindow
{
    #region Class
    /// <summary>
    /// Tweenの状態
    /// </summary>
    private class TweenStatusData
    {
        public bool IsMove { get; set; }
        public Tween Tween { get; set; } // 実行中のTween
        public float LastUpdateTime { get; set; }
    }

    /// <summary>
    /// EditorWindowの入力値
    /// </summary>
    [System.Serializable]
    private class EditorInputValue
    {
        [field: SerializeField] public Transform Transform { get; set; } // 動かしたい対象のTransform
        [field: SerializeField] public Vector3 Movement { get; set; } = new Vector3(1, 0, 0); // 移動量
        [field: SerializeField] public float TimeLength { get; set; } = 1f; // 移動時間
        [field: SerializeField] public Ease Ease { get; set; } = Ease.OutCubic;
    }
    #endregion // End of Class

    const float TargetFrameRate = 30f;
    const float TargetDeltaTime = 1f / TargetFrameRate;
    [SerializeField] EditorInputValue inputValue = new EditorInputValue();
    [System.NonSerialized] readonly TweenStatusData _tweenStatus = new TweenStatusData();
    float CurrentTime => Time.realtimeSinceStartup;

    [MenuItem("Tools/Tween Move Window")]
    static void ShowWindow()
    {
        GetWindow<DOTweenMoveWindow>();
    }

    private void OnGUI()
    {
        inputValue.Transform = EditorGUILayout.ObjectField("Transform", inputValue.Transform, typeof(Transform), true)
            as Transform;
        inputValue.Movement = EditorGUILayout.Vector3Field("Movement", inputValue.Movement);
        inputValue.Ease = (Ease) EditorGUILayout.EnumPopup("Ease", inputValue.Ease);
        inputValue.TimeLength = EditorGUILayout.FloatField("Duration[s]", inputValue.TimeLength);

        // Moveボタンを押すと、DOTweenで移動を開始
        EditorGUI.BeginDisabledGroup(inputValue.Transform == null || _tweenStatus.IsMove);
        if (GUILayout.Button("Move"))
        {
            // 移動開始
            StartMove(inputValue);
            this.Repaint();
        }
        EditorGUI.EndDisabledGroup();

        if (inputValue.Transform == null)
        {
            EditorGUILayout.HelpBox($"{nameof(inputValue.Transform)}が指定されていません", MessageType.Error);
        }
    }

    private void StartMove(EditorInputValue inputValue)
    {
        _tweenStatus.LastUpdateTime = CurrentTime;

        var targetTransform = inputValue.Transform;
        var moveTo = targetTransform.position + inputValue.Movement;
        _tweenStatus.Tween = targetTransform.DOMove(moveTo, inputValue.TimeLength)
            .SetEase(inputValue.Ease)
            .OnComplete(() => _tweenStatus.IsMove = false);

        _tweenStatus.IsMove = true; // 移動開始
    }

    private void Update()
    {
        UpdateTween();
    }

    private void UpdateTween()
    {
        if (!_tweenStatus.IsMove) return;
        
        float deltaTime = CurrentTime - _tweenStatus.LastUpdateTime;
        if (deltaTime > TargetDeltaTime)
        {
            UnityEngine.Debug.Log($"Update Tween : deltaTime = {deltaTime}");
            _tweenStatus.Tween.ManualUpdate(deltaTime, deltaTime);
            _tweenStatus.LastUpdateTime = CurrentTime;
        }
    }
}

動かしたい対象のTransformを指定して、Moveを押すとTransformが動きます