[Unity] Easy Transform/Camera shaker

TransformShaker.cs

using UnityEngine;
using System.Collections;

public class TransformShaker : MonoBehaviour 
{
	public Vector3 defaultDirection = new Vector3(0,1,0);
	public float defaultSeconds = 0.3f;
	public float defaultAmplitude = 0.05f;
	public float defaultPeriod = 0.02f;
	
	private Vector3 startPosition = Vector3.zero;
	
	
	public IEnumerator Shake()
	{
		yield return StartCoroutine(Shake(defaultDirection, defaultSeconds, defaultAmplitude, defaultPeriod));
	}
	public IEnumerator Shake(Vector3 direction)
	{
		yield return StartCoroutine(Shake(direction, defaultSeconds, defaultAmplitude, defaultPeriod));
	}
	public IEnumerator Shake(Vector3 direction, float seconds)
	{
		yield return StartCoroutine(Shake(direction, seconds, defaultAmplitude, defaultPeriod));
	}
	public IEnumerator Shake(Vector3 direction, float seconds, float amplitude, float period)
	{
        startPosition = transform.position;
        direction = direction.normalized;
		
		var endTime = Time.time + seconds;
		var invert = false;
		while (Time.time < endTime)
		{
			transform.position = startPosition + (invert ? -1 : 1) * direction * amplitude;
			invert = !invert;
			yield return new WaitForSeconds(period);
		}

        var hack = gameObject.name == "Level Camera";
        if (hack)
            transform.localPosition = new Vector3(0, 0, -10);
        else
            transform.position = startPosition;
	}
	
}