2D Unity Screen Shake

	using UnityEngine;

	public class ScreenShakeController : MonoBehaviour
	{
	// This is a singleton
	public static ScreenShakeController _instance;

	public float shakeTimeRemaining = 1f;
	private float shakePower = 0.5f;
	private float shakeFadeTime;
	private float shakeRotation;

	public float rotationMultiplier = 7.5f;
	public bool screenShaking = false;

	// Start is called before the first frame update
	void Start()
	{
	// This is a singleton
	_instance = this;
	}

	// Update is called once per frame
	void Update()
	{
	if (Input.GetKeyDown(KeyCode.Z)
	&& !screenShaking)
	{
	StartShake(shakeTimeRemaining, shakePower);
	}
	}

	private void LateUpdate()
	{
	if (shakeTimeRemaining > 0
	&& screenShaking)
	{
	shakeTimeRemaining -= Time.deltaTime;
	float xAmount = Random.Range(-1f, 1f) * shakePower;
	float yAmount = Random.Range(-1f, 1f) * shakePower;
	transform.position += new Vector3(xAmount, yAmount, 0f);
	shakePower = Mathf.MoveTowards(shakePower, 0f, (shakeFadeTime * Time.deltaTime));
	shakeRotation = Mathf.MoveTowards(shakeRotation, 0f, (shakeFadeTime * rotationMultiplier * Time.deltaTime));
	}
	else
	{
	ResetShakeValues();
	}

	transform.rotation = Quaternion.Euler(0f, 0f, shakeRotation * Random.Range(-1f, 1f));
	}

	public void StartShake(float length, float power)
	{
	screenShaking = true;
	shakeTimeRemaining = length;
	shakePower = power;
	shakeFadeTime = power / length;
	shakeRotation = power * rotationMultiplier;
	}

	public void ResetShakeValues()
	{
	screenShaking = false;
	shakeFadeTime = 0;
	shakeTimeRemaining = 1f;
	shakePower = 0.5f;
	}
	}

spaghettiSyntax