Camera Shake for Unity3D in C#. Built and testing in Unity 4.2 + 4.3

CameraShakeController

using UnityEngine;
using System.Collections;

public class CameraShakeController : MonoBehaviour {

	public Camera theCamera;
	public float magnitude = 5.0f;
	public float duration = 2.0f;
	public Vector3 direction;


	void Start () {
		if(theCamera == null) theCamera = GetComponent<Camera>();

		if(theCamera == null){ // STILL == NULL?
			Debug.LogWarning("CAN'T FIND THE CAMERA FOR CAMERA SHAKING");
			return;
		}
	}

	public void Shake(Notification note = null)
	{
		//Debug.Log("START CAMERA SHAKE");
		if(theCamera.orthographic){
			StartCoroutine(ShakeOrtho());
		}else{
			StartCoroutine(ShakePerspective());
		}
	}
	

	IEnumerator ShakePerspective()
	{
        //Debug.Log("PERSPECTIVE SHAKE");
	    float elapsed = 0.0f;
	    
	    Vector3 originalCamPos = theCamera.transform.position;
	    
	    while (elapsed < duration) {
	        
	        elapsed += Time.deltaTime;          
	        
	        float percentComplete = elapsed / duration;         
	        float damper = 1.0f - Mathf.Clamp(4.0f * percentComplete - 3.0f, 0.0f, 1.0f);
	        
	        // map noise to [-1, 1]
	        float x = Random.value * 2.0f - 1.0f;
	        float y = Random.value * 2.0f - 1.0f;
	        float z = Random.value * 2.0f - 1.0f;
	        x *= magnitude * damper * direction.x;
	        y *= magnitude * damper * direction.y;
	        z *= magnitude * damper * direction.z;
	        
	        theCamera.transform.position = (new Vector3(x, y, z) + originalCamPos);
	            
	        yield return null;
	    }
	    
	    theCamera.transform.position = originalCamPos;
	    yield return null;
	}

	IEnumerator ShakeOrtho()
	{
		//Debug.Log("ORTHO SHAKE");
		float elapsed = 0.0f;

		float originalCamOrtho = theCamera.orthographicSize;

		 while (elapsed < duration) {
	        
	        elapsed += Time.deltaTime;   
	        float percentComplete = elapsed / duration;         
	        float damper = 1.0f - Mathf.Clamp(4.0f * percentComplete - 3.0f, 0.0f, 1.0f);
	        
	        // ONLY EFFECT Z
	        float z = Random.value * 2.0f - 1.0f;
	        z *= magnitude * damper * direction.z;
	        theCamera.orthographicSize = originalCamOrtho - Mathf.Abs(z);

	        yield return null;
	    }

	    theCamera.orthographicSize = originalCamOrtho;
	    yield return null;
	}
}