Laser beam

Assets/Weapons/Laser/Laser Beam.cs

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+using System.Collections;
+using UnityEngine;
+
+[RequireComponent (typeof(BoxCollider2D))]
+public class LaserBeam : MonoBehaviour
+{
+    public int Damages = 50;
+
+    public float lifeSeconds = 1f;
+
+    public void Start()
+    {
+        StartCoroutine(nameof(EndLifeAfterXSeconds));
+    }
+
+    private void OnTriggerEnter2D(Collider2D collision)
+    {
+        if (collision.CompareTag("Ennemy"))
+        {
+            collision.gameObject.GetComponent<Ennemy>().Life -= Damages;
+        }
+    }
+
+    private IEnumerator EndLifeAfterXSeconds()
+    {
+        yield return new WaitForSeconds(lifeSeconds);
+        Destroy(gameObject);
+    }
+}