I know it’s not much, but still made me happy 
using System.Collections;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using UnityEngine;
public class Health : MonoBehaviour
{
[Header("General")]
[SerializeField] private int health = 50;
[SerializeField] private ParticleSystem explosionFX;
[Header("Camera Shake")]
[SerializeField] private bool applyCameraShake = false;
CameraShake cameraShake;
[Header("Slow Motion")]
[SerializeField] private bool applySlowMotion = false;
[SerializeField] private float slowMotionDuration = 2f;
[SerializeField] private float slowMotionTimeScale = 0.5f;
private float sloMoTimer = 0f;
private bool gotHit = false;
private void Awake() {
cameraShake = Camera.main.GetComponent<CameraShake>();
}
private void OnTriggerEnter2D(Collider2D collision) {
DamageDealer damageDealer = collision.GetComponent<DamageDealer>();
if(damageDealer != null) {
TakeDamage(damageDealer.GetDamageValue());
PlayExplosionFX();
damageDealer.Hit();
ShakeCamera();
gotHit = true;
}
}
private void Update() {
if (applySlowMotion && gotHit) {
SlowMotion();
}
}
private void TakeDamage(int damageValue) {
health -= damageValue;
if(health <= 0) {
Destroy(gameObject);
}
}
private void PlayExplosionFX() {
if (explosionFX != null) {
ParticleSystem instance = Instantiate(explosionFX, transform.position, Quaternion.identity);
Destroy(instance.gameObject, instance.main.duration + instance.main.startLifetime.constantMax);
}
}
private void ShakeCamera() {
if (cameraShake != null && applyCameraShake) {
cameraShake.Play();
}
}
private void SlowMotion() {
Time.timeScale = slowMotionTimeScale + ((1 - slowMotionTimeScale) * (sloMoTimer / slowMotionDuration));
sloMoTimer += Time.deltaTime;
if (Time.timeScale >= 1) {
Time.timeScale = 1;
gotHit = false;
sloMoTimer = 0f;
}
}
}