Demo 50 - Camera script

using UnityEngine;

[ExecuteInEditMode]
public class CameraScript : MonoBehaviour {

        public Material mat;

        void Start()
        {
            GetComponent<Camera>().depthTextureMode = DepthTextureMode.Depth;
        }

        void OnRenderImage(RenderTexture source, RenderTexture destination)
        {
            Graphics.Blit(source, destination, mat);
        }
}