basically the whole game

Assets/Scripts/Projectiles/Projectile.cs

@@ -3,14 +3,23 @@ using UnityEngine;
 
 public class Projectile : MonoBehaviour
 {
-	[SerializeField] private Rigidbody2D rb;
+	[Header("Flags")]
+	public bool deflectable = true;
+	[SerializeField] private bool isPiercing;
+	public bool playerBullet; //bad code
+	[Header("Stats")]
+	[SerializeField] private int projectileHealth = 2;
 	public int damage;
 	public float speed;
 	public float lifetime;
+	[Header("CACHE")]
 	public Vector2 direction;
+	public AudioClip projectileShootSFX;
+	public float volume;
+	[SerializeField] private Rigidbody2D rb;
+	public SpriteRenderer sprite;
 
-
-	private void Start()
+	protected virtual void Start()
 	{
 		Destroy(gameObject, lifetime);
 		direction = transform.right;
@@ -21,11 +30,27 @@ public class Projectile : MonoBehaviour
 		rb.linearVelocity = direction * speed;
 	}
 
-	private void OnTriggerEnter2D(Collider2D other)
+	protected virtual void OnTriggerEnter2D(Collider2D other)
 	{
 		if (!other.CompareTag(tag) && other.TryGetComponent(out Entity isEntity))
 		{
+			if (playerBullet)
+			{
+				GameManager.instance.projectilesHit++; //bad. very bad. but i don't care right now 
+			}
 			isEntity.TakeDamage(damage);
+			if (!isPiercing)
+			{
+				Destroy(gameObject);
+			}
+		}
+	}
+
+	public void Deflected()
+	{
+		projectileHealth--;
+		if (projectileHealth <= 0)
+		{
 			Destroy(gameObject);
 		}
 	}