Implement player punch and crude damage system

Assets/Scripts/Damageable.cs

@@ -0,0 +1,35 @@
+using UnityEngine;
+
+[RequireComponent(typeof(Rigidbody2D))]
+[RequireComponent(typeof(Collider2D))]
+[RequireComponent(typeof(RespawnOnTriggerEnter))]
+public class Damageable : MonoBehaviour
+{
+    public float force = 50f;
+    public float damage = 0f;
+
+    private void OnTriggerEnter2D(Collider2D collision)
+    {
+        if (collision.gameObject.CompareTag("Punch Hurtbox"))
+        {
+            print($"{name}: Ouch");
+            Damage();
+            Recoil(collision.transform.parent.gameObject);
+        }
+    }
+
+    private void Recoil(GameObject damageSource)
+    {
+        GetComponent<Rigidbody2D>().AddForce(((transform.position - damageSource.transform.position).normalized + Vector3.up) * damage, ForceMode2D.Force);
+    }
+
+    private void Damage()
+    {
+        damage += force;
+    }
+
+    public void ResetDamage()
+    {
+        damage = 0f;
+    }
+}