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Assets/Scripts/Enemies/CircleEnemyController.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CircleEnemyController : MonoBehaviour, IPooledObject{
+
+    public float speed;
+    public GameObject spikes2;
+    [HideInInspector]
+    public int hp, maxHp = 2;
+    public GameObject spawnParticles;
+    public Color level1Color;
+    public Color level2Color;
+    public Color level3Color;
+    public SpriteRenderer[] spriteRenderers;
+
+    GameController gameController;
+    Animator anim;
+    CircleCollider2D cirCol;
+    bool ready;
+    Rigidbody2D rb2d;
+    Transform target;
+    Vector2 targetPos;
+
+    public void OnObjectSpawn(){
+        gameController = FindObjectOfType<GameController>();
+        if (gameController.level == 1 || gameController.level == 0){
+            foreach(SpriteRenderer r in spriteRenderers){
+                r.color = level1Color;
+            }
+            ParticleSystem ps = spawnParticles.GetComponent<ParticleSystem>();
+            var main = ps.main;
+            main.startColor = level1Color;
+        }
+        if (gameController.level == 2){
+            foreach (SpriteRenderer r in spriteRenderers){
+                r.color = level2Color;
+            }
+            ParticleSystem ps = spawnParticles.GetComponent<ParticleSystem>();
+            var main = ps.main;
+            main.startColor = level2Color;
+        }
+        if (gameController.level == 3){
+            foreach (SpriteRenderer r in spriteRenderers){
+                r.color = level3Color;
+            }
+            ParticleSystem ps = spawnParticles.GetComponent<ParticleSystem>();
+            var main = ps.main;
+            main.startColor = level3Color;
+        }
+        anim = GetComponent<Animator>();
+        anim.SetBool("Spawned", false);
+        cirCol = GetComponent<CircleCollider2D>();
+        cirCol.enabled = false;
+        hp = maxHp;
+        spikes2.SetActive(true);
+        target = GameObject.FindGameObjectWithTag("Player").GetComponent<Transform>();
+        rb2d = GetComponent<Rigidbody2D>();
+        ready = false;
+        Invoke(nameof(StopAnimation), 1f);
+        Invoke(nameof(Ready), 2f);
+    }
+
+    // Update is called once per frame
+    void Update(){
+        targetPos = target.position - transform.position;
+    }
+
+    void FixedUpdate(){
+        if (ready){
+            rb2d.MovePosition(rb2d.position + (targetPos.normalized * speed * Time.fixedDeltaTime));
+        }
+    }
+
+    void OnTriggerEnter2D(Collider2D col){
+        if (col.CompareTag("Bullet") && hp == 2){
+            spikes2.SetActive(false);
+            hp = 1;
+        }else if(col.CompareTag("Bullet") && hp == 1){
+            gameObject.SetActive(false);
+            AudioManager.instance.Play("EnemyDeath");
+            hp = 0;
+            ScreenShake.Shake(1f, .15f);
+            ObjectPooler.Instance.SpawnFromPool("CircleEnemyDeath", transform.position, Quaternion.identity);
+        }
+        if (col.CompareTag("BigBullet") && hp == 2){
+            gameObject.SetActive(false);
+            AudioManager.instance.Play("EnemyDeath");
+            hp = 0;
+            ScreenShake.Shake(1f, .15f);
+            ObjectPooler.Instance.SpawnFromPool("CircleEnemyDeath", transform.position, Quaternion.identity);
+        }else if (col.CompareTag("BigBullet") && hp == 1){
+            gameObject.SetActive(false);
+            AudioManager.instance.Play("EnemyDeath");
+            hp = 0;
+            ScreenShake.Shake(1f, .15f);
+            ObjectPooler.Instance.SpawnFromPool("CircleEnemyDeath", transform.position, Quaternion.identity);
+        }
+    }
+
+    #region OnSpawn
+    void StopAnimation(){
+        anim.SetBool("Spawned", true);
+    }
+
+    void Ready(){
+        Invoke(nameof(StartRunning), 0.5f);
+        Invoke(nameof(EnableCollider), 0.25f);
+    }
+
+    void EnableCollider(){
+        cirCol.enabled = true;
+    }
+
+    void StartRunning(){
+        ready = true;
+    }
+    #endregion
+}