basically the whole game

Assets/Scripts/Projectiles/ExplosiveProjectile.cs

@@ -0,0 +1,26 @@
+using System;
+using UnityEngine;
+
+public class ExplosiveProjectile : Projectile
+{
+	[SerializeField] private GameObject explosionEffect;
+	[SerializeField] private float blastRadius;
+	[SerializeField] private LayerMask enemyLayer;
+	protected override void OnTriggerEnter2D(Collider2D other)
+	{
+		base.OnTriggerEnter2D(other);
+		if (!other.CompareTag(tag))
+		{
+			GameObject newExplosionEffect = Instantiate(explosionEffect, transform.position, Quaternion.identity);
+			newExplosionEffect.transform.localScale = new Vector3(blastRadius, blastRadius, blastRadius);
+			Collider2D[] enemiesInRange = Physics2D.OverlapCircleAll(transform.position, enemyLayer, enemyLayer);
+			foreach (Collider2D enemy in enemiesInRange)
+			{
+				if (enemy.TryGetComponent(out Entity isEntity))
+				{
+					isEntity.TakeDamage(damage);
+				}
+			}
+		}
+	}
+}