trying to figure out the targeting algorithm

scenes/testScrollScene.tscn

@@ -12,6 +12,8 @@ grow_vertical = 2
 script = ExtResource("1_gc1kb")
 debug = true
 
+[node name="SpawnTimer" type="Timer" parent="."]
+
 [node name="SpawnArea" type="PanelContainer" parent="."]
 unique_name_in_owner = true
 layout_mode = 1
@@ -19,8 +21,6 @@ anchors_preset = 10
 anchor_right = 1.0
 grow_horizontal = 2
 
-[node name="SpawnTimer" type="Timer" parent="SpawnArea"]
-
 [node name="MarginContainer" type="MarginContainer" parent="."]
 layout_mode = 1
 anchors_preset = 15
@@ -76,7 +76,7 @@ size_flags_vertical = 8
 layout_mode = 2
 size_flags_horizontal = 4
 size_flags_vertical = 8
-text = "Spawn Enemies"
+text = "Complete Quest"
 
 [node name="TouchScreenButton" type="TouchScreenButton" parent="MarginContainer/Menus/MenuButtons/DebugMenu/ButtonTest"]
 
@@ -88,6 +88,6 @@ text = "Exit"
 
 [node name="TouchScreenButton" type="TouchScreenButton" parent="MarginContainer/Menus/MenuButtons/DebugMenu/ButtonExit"]
 
-[connection signal="timeout" from="SpawnArea/SpawnTimer" to="." method="_on_spawn_timer_timeout"]
+[connection signal="timeout" from="SpawnTimer" to="." method="_on_spawn_timer_timeout"]
 [connection signal="pressed" from="MarginContainer/Menus/MenuButtons/DebugMenu/ButtonTest" to="." method="_on_button_test_pressed"]
 [connection signal="pressed" from="MarginContainer/Menus/MenuButtons/DebugMenu/ButtonExit" to="." method="_on_button_exit_pressed"]

scripts/equipmentGen.gd

@@ -12,6 +12,5 @@ var gearItem = load("gearRand.gd")
 
 
 func _init() -> void:
-    var gearPiece = gearItem.new(tier=2, quality=4)
+    var gearPiece = gearItem.new()
     print (gearPiece.statValues)
-    quit(

scripts/npc.gd

@@ -27,13 +27,24 @@ func _random_mod_health() -> void:
             self.maxHealth *= 16
     # npcTier factor
     self.maxHealth *= exp(self.npcTier)
-    
     # fun factor (just additional factor to tweak)
     self.maxHealth *= 10
 
 
-func _init(npcDifficulty: npcDifficulties = npcDifficulties.NORMAL,
-            npcTier: npcTiers = npcTiers.I) -> void:
-    self.npcDifficulty = npcDifficulty
-    self.npcTier = npcTier
+func _init() -> void:
+    self.npcDifficulty = npcDifficulties.NORMAL
+    self.npcTier = npcTiers.I
+ 
+
+func _ready() -> void:
+    # add to enemies
+    add_to_group("enemies")
+
+    # modify max health value based on the various factors
     _random_mod_health()
+    
+func _process(delta: float) -> void:
+    # if damageTaken > maxHealth:
+    #    self.free()?
+    #    send signal that I died to be counted, etc.
+    pass

scripts/styling.gd

@@ -10,7 +10,7 @@ func format_label_difficulty(label: Node, difficulty: NPC.npcDifficulties) -> vo
         NPC.npcDifficulties.NORMAL:
             label.label_settings.outline_color = Color.DARK_GREEN
             label.label_settings.font_color = Color.LIME_GREEN
-        NPC.npcDifficulties.MINIBOSS:
+        NPC.npcDifficulties.ELITE:
             label.label_settings.outline_color = Color.DARK_BLUE
             label.label_settings.font_color = Color.DARK_CYAN
         NPC.npcDifficulties.BOSS:

scripts/test_scroll_scene.gd

@@ -8,11 +8,16 @@ var deltaCount := 0
 var enemyMoveSpeed := 5.0
 var questsComplete := false
 
+var middleX
+var playerPos
+
 
 func _ready() -> void:
+    middleX = get_viewport_rect().size.x/2
+    playerPos = Vector2(middleX, get_viewport_rect().size.y*(0.75))
     if not debug:
         $MarginContainer/Menus/MenuButtons/DebugMenu.hide()
-    $SpawnArea/SpawnTimer.start(spawnTimerValue)
+    $SpawnTimer.start(spawnTimerValue)
     
 func _create_enemy():
     var enemy = load("res://scenes/npc.tscn").instantiate()
@@ -21,30 +26,75 @@ func _create_enemy():
     #enemy.get_node("%NPCNameLabel").text = "Test"
     
     return enemy
+    
+func _get_enemies() -> Array:
+    var enemies := get_tree().get_nodes_in_group("enemies")
+    return enemies
+    
+    
+func _get_num_enemies() -> int:
+    var enemies := get_tree().get_nodes_in_group("enemies")
+    return len(enemies)
+    
+
+func _get_distance_to_player(enemy: Node) -> float:
+    return enemy.position.distance_squared_to(playerPos)
+
+    
+func _get_target() -> Node:
+    # arrays of enemies by difficulty
+    var enemies := _get_enemies()
+    var numEnemies := _get_num_enemies()
+    #var highestDifficulty
+    var enemyDists
+    var closestEnemy
+    # get array of difficulties using map
+    if not enemies.is_empty():
+        # get index of largest non-zero val in numEnemies array, ignoring minions
+        #highestDifficulty = numEnemies.find(0, 1) - 1
+        enemyDists = enemies.map(_get_distance_to_player)
+        closestEnemy = enemies[enemyDists.find(enemyDists.min())]
+    #var closestDist = INF
+    #for enemy in enemies:
+        #var enemyPos = enemy.position
+        #var enemyDist = playerPos.distance_squared_to(enemyPos)
+        #if enemyDist < closestDist:
+            #closestEnemy = enemy
+    print(enemies)
+    #print(highestDifficulty)
+    print(enemyDists)
+    print(closestEnemy)
+            
+    return closestEnemy
 
 
-func _spawn_enemies() -> void:
+func _spawn_enemies(maxEnemies: int) -> void:
     #await get_tree().create_timer(time).timeout
-    var middleX := get_viewport_rect().size.x/2
-    var targetPosition = Vector2(middleX, get_viewport_rect().size.y*(0.75))
-    var numEnemies = randi_range(1, 5)
+    var numEnemies = randi_range(1, maxEnemies)
     for i in range(numEnemies):
         var enemy = _create_enemy()
         %SpawnArea.add_child(enemy)
         var randEnemyMoveSpeed := randf_range(0.5, 2.0)*enemyMoveSpeed
-        create_tween().tween_property(enemy, "position", targetPosition, randEnemyMoveSpeed)
+        create_tween().tween_property(enemy, "position", playerPos, randEnemyMoveSpeed)
         
 
 func _process(delta: float) -> void:
+    #var closestEnemy = _get_closest_enemy()
     deltaCount += 1
-    var enemies := %SpawnArea.get_children()
-    var numEnemies := %SpawnArea.get_child_count()
-    if numEnemies != 0 and (deltaCount % 60) == 0:
+    #if numEnemies != 0:
+        #print(playerPos.distance_squared_to(closestEnemy.position))
         # change movement test, not sure it's working right...
         #create_tween().tween_property(enemies[randi_range(0, numEnemies-1)], "position", Vector2(100, 100), 1.0)
-        pass
+        #if deltaCount % 200 == 0:
+            #%SpawnArea.remove_child(closestEnemy)
+    if not _get_enemies().is_empty() and deltaCount % 100 == 0:
+        var targetEnemy = _get_target()
+        $SpawnArea.remove_child(targetEnemy)
+    # change to signal
     if questsComplete:
-        %SpawnArea/SpawnTimer.stop()
+        $SpawnTimer.stop()
+        if _get_enemies().is_empty():
+            print("Area Complete!")
 
 
 func _on_button_test_pressed() -> void:
@@ -61,4 +111,4 @@ func _on_button_exit_pressed() -> void:
 
 
 func _on_spawn_timer_timeout() -> void:
-    _spawn_enemies()
+    _spawn_enemies(5)