add: rocket launcher scripts

Assets/Scripts/Player/RocketProjectile.cs

@@ -0,0 +1,34 @@
+using UnityEngine;
+
+public class RocketProjectile : MonoBehaviour
+{
+    public float speed = 1f;
+    public float damage = 50f;
+    public float explosionRadius = 5f;
+    public float timeToLive = 3f;
+
+    float currentTime = 0;
+
+    Rigidbody rb;
+
+    void Start() {
+        rb = GetComponent<Rigidbody>();
+        rb.linearVelocity = transform.forward * speed;
+    }
+
+    void Update() {
+        currentTime += Time.deltaTime;
+        if (currentTime >= timeToLive) Destroy(gameObject);
+    }
+
+    void OnTriggerEnter(Collider other) {
+        Collider[] colliders = Physics.OverlapSphere(transform.position, explosionRadius);
+        foreach (Collider collider in colliders) {
+            if (collider.gameObject.CompareTag("Enemy")) {
+                Enemy enemy = other.GetComponent<Enemy>();
+                enemy.DealDamage(damage);
+            }
+        }
+        Destroy(gameObject);
+    }
+}