GeneraLadrillos.cs

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

public class GeneraLadrillos : MonoBehaviour
{

	public GameObject PrefabLadrilloBase;
	private Color32[] colores;
	public Texture2D[] patrones;
	public Vector2 posicionCreacion;

	public void GeneraNiveles ()
	{
		//var gameScene = EditorSceneManager.GetActiveScene ();
		for (int n = 0; n < patrones.Length; n++) {
			//EditorSceneManager.OpenScene ("Assets/Scenes/Level" + (n+1).ToString () + ".unity", OpenSceneMode.Additive);
			var escena = EditorSceneManager.NewScene (NewSceneSetup.EmptyScene, NewSceneMode.Additive);
			EditorSceneManager.SetActiveScene (escena);
			colores = patrones [n].GetPixels32 ();
			int count = 0;
			float altura = PrefabLadrilloBase.GetComponent<SpriteRenderer> ().bounds.size.y;
			float anchura = PrefabLadrilloBase.GetComponent<SpriteRenderer> ().bounds.size.x;
			for (int i = 0; i < patrones [n].height; i++) {
				for (int j = 0; j < patrones [n].width; j++) {
					if (colores [count] != Color.white) {
						PrefabLadrilloBase.GetComponent<SpriteRenderer> ().color = colores [count];
						GameObject nuevo = Instantiate (PrefabLadrilloBase, new Vector3 ((j * anchura) + posicionCreacion.x, (i * altura) + posicionCreacion.y, 0), Quaternion.identity);
						nuevo.tag = "ladrillo";
						nuevo.name = "cuadro " + i + "_" + j;
					}
					count++;
				}
			}
			var path = "Assets/Scenes/Level" + (n + 1).ToString () + ".unity";
			EditorSceneManager.SaveScene (escena, path);
			var newEscenas = new List<EditorBuildSettingsScene> ();
			newEscenas.AddRange (EditorBuildSettings.scenes);
			if (!newEscenas.Exists (t => t.path == path)) {
				newEscenas.Add (new EditorBuildSettingsScene (path, true));
			}
			EditorBuildSettings.scenes = newEscenas.ToArray ();
			EditorSceneManager.UnloadSceneAsync (escena);
		}
		//EditorSceneManager.SetActiveScene (gameScene);
	}
}