Add new meta files and interfaces for project structure

Assets/Scripts/Weapons/Projectile.cs

@@ -0,0 +1,47 @@
+using System;
+using Data;
+using Interfaces;
+using KBCore.Refs;
+using Systems;
+using UnityEngine;
+
+namespace Weapons
+{
+    public class Projectile : MonoBehaviour, IDamageInflector, IDamageInflectorSetup
+    {
+        [Self, SerializeField] private Rigidbody2D rb;
+        [SerializeField] private float speed = 10f;
+        [SerializeField] private float lifeTime = 5f;
+        
+        public float Damage { get; private set; }
+        public GameObject Owner { get; private set; }
+        public DamageType Type => DamageType.Ranged;
+        
+        public void Setup(Character attacker)
+        {
+            Damage = attacker.attributes.Damage * attacker.attributes.RangedDamage;
+            Owner = attacker.gameObject;
+        }
+        
+        private void Start()
+        {
+            Destroy(gameObject, lifeTime);
+        }
+
+        private void FixedUpdate()
+        {
+            var direction = transform.up.normalized;
+            var movement = direction * (speed * Time.fixedDeltaTime);
+            rb.MovePosition(rb.position + (Vector2)movement);
+        }
+
+        private void OnTriggerEnter2D(Collider2D other)
+        {
+            other.TryGetComponent<Health>(out var health);
+            if (other.gameObject == Owner) return;
+            
+            health.TakeDamage(Damage);
+            Destroy(gameObject);
+        }
+    }
+}