[Unity v5.3] Create brick wall

WallSpawner.cs

/**
 * Spawns a wall along the X and Y axes of the WallSpawner, using cubes of given size and materials
 */

using UnityEngine;
using System.Collections;

public class WallSpawner : MonoBehaviour {
	public int Nx = 10;
	public int Ny = 10;
	public float CubeSize = 2;
	public Material[] Materials = new Material[0];

	private float Gap = 0.1f;

	// Use this for initialization
	void Start () {
		CreateBricks ();
	}

	void Update () {
		// things to try out: rotate the entire wall slowly
		// transform.RotateAround(Vector3.up, 0.01f);
	}

	public void CreateBricks() {
		for (var j = 0; j < Ny; ++j) {
			var m = j % Materials.Length;
			for (var i = 0; i < Nx; ++i) {
				var cube = GameObject.CreatePrimitive (PrimitiveType.Cube);
				cube.transform.SetParent(transform, false);
				cube.transform.localScale = new Vector3(CubeSize, CubeSize, CubeSize);

				var x = i * (CubeSize + Gap) + Gap;
				var y = j * (CubeSize + Gap) + Gap;

				cube.transform.localPosition = new Vector3 (x, y, 0);
				cube.AddComponent<Rigidbody>();
				cube.AddComponent<BoxCollider>();

				cube.GetComponent<MeshRenderer> ().material = Materials[m];
				m = (m + 1) % Materials.Length;
			}
		}
	}
}