Dummy Controller

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CombatDummyController : MonoBehaviour
{
    [SerializeField]
    private float maxHealth, knockbackspeedX, knockbackspeedY, knockbackDuration, knockbackDeathspeedX, knockbackDeathspeedY, deathTorque;
    [SerializeField]
    private bool applyKnockback;

    private float currentHealth, knockbackStart;

    private int playerFacingDirection;

    private bool playerOnLeft, knockback;

    private PlayerController pc;
    private GameObject aliveGO, brokenTopGO, brokenBotGO;
    private Rigidbody2D rbAlive, rbBrokenTop, rbBrokenBot;
    private Animator aliveAnim;

    public GameObject hitParticle;

    private void Start()
    {
        currentHealth = maxHealth;

        pc = GameObject.Find("Player").GetComponent<PlayerController>();

        aliveGO = transform.Find("Alive").gameObject;
        brokenTopGO = transform.Find("Broken Top").gameObject;
        brokenBotGO = transform.Find("Broken Bottom").gameObject;

        aliveAnim = aliveGO.GetComponent<Animator>();
        rbAlive = aliveGO.GetComponent<Rigidbody2D>();
        rbBrokenTop = brokenTopGO.GetComponent<Rigidbody2D>();
        rbBrokenBot = brokenBotGO.GetComponent<Rigidbody2D>();

        aliveGO.SetActive(true);
        brokenTopGO.SetActive(false);
        brokenBotGO.SetActive(false);
    }

    public void Damage(float amount)
    {
        currentHealth -= amount;
        playerFacingDirection = pc.GetFacingDirection();

        Instantiate(hitParticle, aliveGO.transform.position, Quaternion.Euler(0.0f, 0.0f, Random.Range(0.0f, 360.0f)));

        if (playerFacingDirection == 1)
        {
            playerOnLeft = true;
        }
        else
        {
            playerOnLeft = false;
        }

        aliveAnim.SetBool("playerOnLeft", playerOnLeft);
        aliveAnim.SetTrigger("damage");

        if (applyKnockback && currentHealth > 0.0f)
        {
            // Knockback();
            Knockback();
        }

        if (currentHealth <= 0.0f)
        {
            // Die();
            Die();

        }
    }

    private void Knockback()
    {
        knockback = true;
        knockbackStart = Time.time;

        rbAlive.velocity = new Vector2(knockbackspeedX * playerFacingDirection, knockbackspeedY);
    }

    private void CheckKnockback()
    {
        if(Time.time >= knockbackStart + knockbackDuration && knockback)
        {
            knockback = false;
            rbAlive.velocity = new Vector2(0.0f, rbAlive.velocity.y);
        }
    }

    private void Die()
    {
        aliveGO.SetActive(false);
        brokenTopGO.SetActive(true);
        brokenBotGO.SetActive(true);

        brokenTopGO.transform.position = aliveGO.transform.position;
        brokenBotGO.transform.position = aliveGO.transform.position;

        rbBrokenBot.velocity = new Vector2(knockbackspeedX * playerFacingDirection, knockbackspeedY);
        rbBrokenTop.velocity = new Vector2(knockbackDeathspeedX * playerFacingDirection, knockbackDeathspeedY);
        rbBrokenTop.AddTorque(deathTorque * -playerFacingDirection, ForceMode2D.Impulse);

    }

}