Implemented simple quest system

proto3/godot/ui/quest_indicator.gd

@@ -0,0 +1,27 @@
+extends Node2D
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+var target: = Vector3()
+var rect: = Rect2()
+func _ready():
+	var pos = get_viewport().get_camera().unproject_position(target)
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	var pos = get_viewport().get_camera().unproject_position(target)
+	rect = get_viewport_rect()
+	if rect.has_point(pos):
+		if !visible:
+			show()
+	else:
+		pos.x = clamp(pos.x, rect.position.x, rect.position.x + rect.size.x)
+		pos.y = clamp(pos.x, rect.position.x, rect.position.x + rect.size.x)
+	position = position.linear_interpolate(pos, delta)
+