Proper action indication

proto2/autoloads/controls.gd

@@ -2,17 +2,12 @@ extends Node
 signal user_click
 
 var frame_tf: Transform = Transform()
-# Declare member variables here. Examples:
-# var a = 2
-# var b = "text"
-
-# Called when the node enters the scene tree for the first time.
 var master_node: Node
 var camera: Camera
+var monitored_objects = []
+var mon_labels = {}
 func _ready():
-	pass # Replace with function body.
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
+	pass
 func _process(delta):
 	if !master_node:
 		return
@@ -30,6 +25,45 @@ func _process(delta):
 	if Input.is_action_pressed("move_west"):
 		var tf_turn = Transform(Quat(Vector3(0, 1, 0), PI * 0.6 * delta))
 		frame_tf *= tf_turn
+	var act_obj = null
+	var act_dist = -1.0
+	var opos =  master_node.global_transform.origin
+	for k in get_tree().get_nodes_in_group("activatable"):
+		if k == master_node:
+			continue
+		var epos = k.global_transform.origin
+		var new_dist = opos.distance_squared_to(epos)
+		if act_dist < 0:
+			act_obj = k
+			act_dist = new_dist
+			continue
+		elif act_dist > new_dist:
+			act_dist = new_dist
+			act_obj = k
+#	if act_obj != null && act_dist < 3.0:
+#		print("act: ", act_obj, " ", act_dist)
+	if act_obj != null && !act_obj in monitored_objects:
+		if act_dist < 4.0 && monitored_objects.size() < 4:
+			print("act2: ", act_obj, " ", act_dist)
+			monitored_objects.push_back(act_obj)
+			mon_labels[act_obj] = Label.new()
+			mon_labels[act_obj].text = act_obj.get_act()
+			add_child(mon_labels[act_obj])
+			mon_labels[act_obj].rect_position = camera.unproject_position(act_obj.global_transform.origin)
+			print("act3:", mon_labels[act_obj].text)
+	for k in  monitored_objects:
+		var epos = k.global_transform.origin
+		var new_dist = opos.distance_squared_to(epos)
+		if new_dist > 6.0:
+			monitored_objects.erase(k)
+			mon_labels[k].queue_free()
+			mon_labels.erase(k)
+			print("removed label")
+			break
+		else:
+			mon_labels[k].rect_position = camera.unproject_position(k.global_transform.origin)
+		
+		
 var click2d: Vector2 = Vector2()
 var click2d_update: bool = false
 var click3d: Vector3 = Vector3()