Unity MegaSnap

MegaSnap

using UnityEditor;
using UnityEngine;
using UnityEngine.SceneManagement;

public class SnapUtils
{
  [MenuItem("Tools/Megasnap")] 
  private static void Snap()
  {
      GameObject[] rootObjects = SceneManager.GetSceneAt(0).GetRootGameObjects();
      foreach (GameObject rootObject in rootObjects)
      {
          Snap(rootObject.transform);
      }
  }

  private static void Snap(Transform t)
  {
      t.localPosition = new Vector3(
          Mathf.Round(t.localPosition.x),
          Mathf.Round(t.localPosition.y),
          Mathf.Round(t.localPosition.z)
          );
      for(int i = 0; i < t.childCount; i++)
      {
          Snap(t.GetChild(i));
      }
  }
}