PerlinShake.cs

using UnityEngine;
using System.Collections;

// based on http://unitytipsandtricks.blogspot.com/2013/05/camera-shake.html
public class PerlinShake : MonoBehaviour 
{	
	public float duration = 2f;
	public float speed = 20f;
	public float magnitude = 2f;
	public AnimationCurve damper = new AnimationCurve(new Keyframe(0f, 1f), new Keyframe(0.9f, .33f, -2f, -2f), new Keyframe(1f, 0f, -5.65f, -5.65f));
	public bool testPosition = false;
	public bool testRotation = false;
	public bool testProjection = false;

	Vector3 originalPos;
	Quaternion originalRot;


	void OnEnable()
	{
		originalPos = transform.localPosition;
		originalRot = transform.localRotation;
	}	
	

	void Update() 
	{
		if (testPosition) 
		{
			testPosition = false;
			StopAllCoroutines();
			StartCoroutine(ShakePosition(transform, originalPos, duration, speed, magnitude, damper));
		}
		else if (testRotation) 
		{
			testRotation = false;
			StopAllCoroutines();
			StartCoroutine(ShakeRotation(transform, originalRot, duration, speed, magnitude, damper));
		}
		else if (testProjection) 
		{
			testProjection = false;
			StopAllCoroutines();
			StartCoroutine(ShakeCameraProjection(Camera.main, duration, speed, magnitude, damper));
		}
	}


	IEnumerator ShakePosition(Transform transform, Vector3 originalPosition, float duration, float speed, float magnitude, AnimationCurve damper = null)
	{
		float elapsed = 0f;
		while (elapsed < duration) 
		{
			elapsed += Time.deltaTime;			
			float damperedMag = (damper != null) ? (damper.Evaluate(elapsed / duration) * magnitude) : magnitude;
			float x = (Mathf.PerlinNoise(Time.time * speed, 0f) * damperedMag) - (damperedMag / 2f);
			float y = (Mathf.PerlinNoise(0f, Time.time * speed) * damperedMag) - (damperedMag / 2f);
			transform.localPosition = new Vector3(originalPosition.x + x, originalPosition.y + y, originalPosition.z);
			yield return null;
		}
		transform.localPosition = originalPosition;
	}


	IEnumerator ShakeRotation(Transform transform, Quaternion originalRotation, float duration, float speed, float magnitude, AnimationCurve damper = null)
	{
		Vector3 originalEuler = originalRotation.eulerAngles;
		float elapsed = 0f;
		while (elapsed < duration) 
		{
			elapsed += Time.deltaTime;			
			float damperedMag = (damper != null) ? (damper.Evaluate(elapsed / duration) * magnitude) : magnitude;
			float x = (Mathf.PerlinNoise(Time.time * speed, 0f) * damperedMag) - (damperedMag / 2f);
			float y = (Mathf.PerlinNoise(0f, Time.time * speed) * damperedMag) - (damperedMag / 2f);
			float z = (Mathf.PerlinNoise(0.5f, Time.time * speed * 0.5f) * damperedMag) - (damperedMag / 2f);
			transform.localRotation = Quaternion.Euler(new Vector3(originalEuler.x + x, originalEuler.y + y, originalEuler.z + z));
			yield return null;
		}
		transform.localRotation = originalRotation;
	}


	IEnumerator ShakeCameraProjection(Camera camera, float duration, float speed, float magnitude, AnimationCurve damper = null)
	{
		float elapsed = 0f;
		while (elapsed < duration) 
		{
			elapsed += Time.deltaTime;			
			float damperedMag = (damper != null) ? (damper.Evaluate(elapsed / duration) * magnitude) : magnitude;
			float x = (Mathf.PerlinNoise(Time.time * speed, 0f) * damperedMag) - (damperedMag / 2f);
			float y = (Mathf.PerlinNoise(0f, Time.time * speed) * damperedMag) - (damperedMag / 2f);
			// offset camera obliqueness - http://answers.unity3d.com/questions/774164/is-it-possible-to-shake-the-screen-rather-than-sha.html
			float frustrumHeight = 2 * camera.nearClipPlane * Mathf.Tan(camera.fieldOfView * 0.5f * Mathf.Deg2Rad);
			float frustrumWidth = frustrumHeight * camera.aspect;
			Matrix4x4 mat = camera.projectionMatrix;
			mat[0, 2] = 2 * x / frustrumWidth;
			mat[1, 2] = 2 * y / frustrumHeight;
			camera.projectionMatrix = mat;
			yield return null;
		}
		camera.ResetProjectionMatrix();
	}

}

Thank you very much

Thank you, perfect script !

Adds the juiciness! Thanks!