choose single unit for attack

scripts/Player.gd

@@ -136,9 +136,9 @@ func _do_kick() -> void:
 	forward.y = 0.0
 	forward = forward.normalized() if forward.length() > 0.01 else Vector3(0.0, 0.0, -1.0)
 	var half_cos: float = cos(deg_to_rad(kick_angle * 0.5))
-	var targets := get_tree().get_nodes_in_group("enemies") + get_tree().get_nodes_in_group("kickable")
-	var kicked_any := false
-	for e in targets:
+	var candidates: Array[Node3D] = []
+	var candidate_dists: Array[float] = []
+	for e in get_tree().get_nodes_in_group("enemies") + get_tree().get_nodes_in_group("kickable"):
 		if not is_instance_valid(e):
 			continue
 		var en := e as Node3D
@@ -150,7 +150,22 @@ func _do_kick() -> void:
 		if dist < 0.1 or dist > kick_range:
 			continue
 		if (diff / dist).dot(forward) >= half_cos:
-			var obj_tier: int = en.get("tier") if en.get("tier") != null else 0
+			candidates.append(en)
+			candidate_dists.append(dist)
+
+	if candidates.is_empty():
+		return
+
+	var nearest_idx := 0
+	for i in range(1, candidates.size()):
+		if candidate_dists[i] < candidate_dists[nearest_idx]:
+			nearest_idx = i
+
+	var best := candidates[nearest_idx]
+	var best_diff := best.global_position - global_position
+	best_diff.y = 0.0
+	var best_dir := best_diff.normalized()
+	var obj_tier: int = best.get("tier") if best.get("tier") != null else 0
 	var diff_tier := tier - obj_tier
 	var force: float
 	if diff_tier < 0:
@@ -161,9 +176,7 @@ func _do_kick() -> void:
 		force = 70.0
 	else:
 		force = 80.0
-			en.call("receive_kick", diff / dist, force)
-			kicked_any = true
-	if kicked_any:
+	best.call("receive_kick", best_dir, force)
 	_squish_effect()
 
 func _try_interact() -> void: