DevCap

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

public class DevCap : EditorWindow
{
	//put script in an Editor folder
	//add a new Tag matching the cameraTag string
	//create a prefab with Camera component (remove all other components, audio listener, flare etc)
	//set GameObject's tag in prefab to match the new tag you created
	//DISABLE the camera in prefab, to avoid unnecessary rendering in play mode
	//place the prefab around your scenes at those chill spots
	//ritually run DevCap when checking in work, make a timelapse gif, ????
	//screenshots are in project root folder (above Assets folder)

	public static string cameraTag = "DevCam";
	public static int imageWidth = 1920;
	public static int imageHeight = 1080;
	public static int imageQuality = 60;

	[MenuItem("Tools/DevCap this scene", false, 0)]
	public static void CaptureDevCams()
	{
		GameObject[] devCams = (GameObject[])GameObject.FindGameObjectsWithTag( cameraTag );
		RenderTexture rt = new RenderTexture( imageWidth, imageHeight, 24 );
		Camera camera = null;

		for( int i=0; i<devCams.Length; i++ )
		{
			RenderTexture.active = rt;
			camera = devCams[i].GetComponent<Camera>();
			if ( camera != null )
			{
				camera.targetTexture = rt;
				camera.Render();

				Texture2D screenShot = new Texture2D( imageWidth, imageHeight );
				screenShot.ReadPixels(new Rect( 0, 0, imageWidth, imageHeight ), 0, 0);
				screenShot.Apply();

				RenderTexture.active = null;
				camera.targetTexture = null;

				string sceneName = EditorApplication.currentScene;
				sceneName = sceneName.Substring( sceneName.LastIndexOf("/")+1 );
				sceneName = sceneName.Substring( 0, sceneName.LastIndexOf(".") );

				string camName = devCams[i].name;

				DateTime dateTime = DateTime.Now;
				string dateTimeFormat = "yyyy-M-d-H-mm";
				string date = dateTime.ToString( dateTimeFormat );

				string filename = sceneName+"_"+camName+"_"+date+".jpg";

				byte[] bytes = screenShot.EncodeToJPG( imageQuality );
				System.IO.File.WriteAllBytes( filename, bytes );
				Debug.Log( string.Format("[DevCap] Captured: {0}", filename) );
			}
		}

		DestroyImmediate(rt);
	}
}