feat: Enemies

Assets/_Content/Scripts/Combat/Projectile.cs

@@ -3,7 +3,8 @@ using UnityEngine;
 namespace Arena.Combat
 {
     /// <summary>
-    /// Moves straight ahead and damages the first IDamageable it touches.
+    /// Moves straight ahead and damages the first IDamageable of the targeted team it touches.
+    /// It goes through the other teams: no friendly fire.
     /// Needs a trigger collider and a kinematic Rigidbody.
     /// </summary>
     [RequireComponent(typeof(Rigidbody))]
@@ -36,12 +37,21 @@ namespace Arena.Combat
 
         private void OnTriggerEnter(Collider other)
         {
-            // Ignore the shooter and the other trigger zones
-            if (other.isTrigger || other.gameObject == _damage.Source)
+            // Ignore the other trigger zones, and the shooter with all its children
+            if (other.isTrigger || IsFromShooter(other))
                 return;
 
-            if (other.TryGetComponent(out IDamageable target))
+            // The collider can be on a child of the IDamageable: arm, head, model...
+            IDamageable target = other.GetComponentInParent<IDamageable>();
+
+            if (target != null)
+            {
+                // A friend is crossed, not hit
+                if (!_damage.CanHit(target.Team))
+                    return;
+
                 target.TakeDamage(_damage);
+            }
 
             Destroy(gameObject);
         }
@@ -61,5 +71,15 @@ namespace Arena.Combat
         }
 
         #endregion
+
+        #region PRIVATE METHODS
+
+        private bool IsFromShooter(Collider other)
+        {
+            GameObject shooter = _damage.Source;
+            return shooter && other.transform.IsChildOf(shooter.transform);
+        }
+
+        #endregion
     }
 }