Unity 3D very simple auto lightprobe placer editor script

using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;

public class PlaceLightProbes {

    [MenuItem ("GameObject/Place Light Probes")]
    static void DoPlaceLightProbes () {

        Bounds bounds = new Bounds(Vector3.zero,Vector3.zero);

        foreach (Renderer r in GameObject.FindObjectsOfType(typeof(Renderer)))
        {
            if (GameObjectUtility.AreStaticEditorFlagsSet(r.gameObject, StaticEditorFlags.LightmapStatic))
            {
                bounds.Encapsulate(r.bounds);
            }

        }

        Debug.Log ("Lightprobe Area Bounds:"+bounds);

        LightProbeGroup probes = (LightProbeGroup)GameObject.FindObjectOfType(typeof(LightProbeGroup));

        List<Vector3> probePositions = new List<Vector3>();

        for (float x = bounds.min.x; x<bounds.max.x; x += 2)
        for (float z = bounds.min.z; z<bounds.max.z; z += 2)
        {
            probePositions.Add(new Vector3(x,0.3f,z));
            probePositions.Add(new Vector3(x,2.3f,z));
        }

        probes.probePositions = probePositions.ToArray();

    }
}