Creates a ray starting at origin along direction.

	// Create a ray from the transform position along the transform's z-axis
	var ray = new Ray (transform.position, transform.forward);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Ray ray = new Ray(transform.position, transform.forward);
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public ray as Ray = Ray(transform.position, transform.forward)