DepthCamera.cs

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(Camera))]
public class DepthCamera : MonoBehaviour {

	#region Serialized
	public DepthTextureMode m_DepthMode = DepthTextureMode.Depth;
	#endregion

	#region Components
	private Camera _Camera = null;
	public Camera m_Camera {
		get {
			if (_Camera == null) {
				_Camera = GetComponent<Camera> ();
			}
			return _Camera;
		}
	}
	#endregion

	#region Lifecycle
	private void Awake()
	{
		m_Camera.depthTextureMode = m_DepthMode;
	}
	#endregion
}