Unity Script that shakes the camera!

CameraShake.cs

using UnityEngine;

//! Script that shakes the camera
public class CameraShake : MonoBehaviour
{
	//! The amplitude/strength of the shake.
	//! Higher values shake the camera harder.
	public float shakeAmplitude = 0.7f;
	//! Dampen is how fast our shake stops. Default is 1.
	public float dampenFactor = 1.0f;

	//! The cache for this object's transform component
	private Transform _transformCache;
	//! The original location of this objcet before a shake
	private Vector3 _originalPos;
	//! How long to shake for.
	private float _shakeDuration = 0f;

	//! Runs when the object is created
	private void Awake()
	{
		// Cache the transform position
		_transformCache = GetComponent<Transform>();
	}

	//! Shake the camera during our UI/late update
	private void LateUpdate()
	{
		// If we have shaking left to do
		if (_shakeDuration > 0f)
		{
			// Update our local position to our original position
			// plus a randomized location inside a sphere that is
			// the size of our amplitude
			_transformCache.localPosition = _originalPos +
				(Random.insideUnitSphere * shakeAmplitude);

			// Reduce our shake time by the amount of time that has passed
			// times our dampen factor
			_shakeDuration -= Time.deltaTime * dampenFactor;
		}
		// No shaking left
		else
		{
			// Ensure our duration is reset
			_shakeDuration = 0f;
			// Reset our local position back to its original location
			_transformCache.localPosition = _originalPos;
		}
	}

	//! Shakes the camera!
	//! @param[in] duration the Duration of the shake
	public void Shake(float duration)
	{
		// Hold onto the original position of the camera
		_originalPos = _transformCache.localPosition;

		// Set our duration of the shake
		_shakeDuration = duration;
	}
}