Added descriptions

scripts/3DUI/SubViewport.gd

@@ -0,0 +1,12 @@
+extends SubViewport
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	size = $Label3D.rect_size
+	pass

scripts/3DUI/dreieck.gd

@@ -1,7 +1,11 @@
 extends Node3D
 
+func _ready():
+	self.get_node("play").hide()
+
 func _on_area_3d_input_event(camera, event, position, normal, shape_idx):
 	self.scale = Vector3(1.5,1.5,1.5)
+	self.get_node("play").show()
 	if event is InputEventMouseButton:
 		if event.button_index == MOUSE_BUTTON_LEFT and event.pressed == true:
 			print("Start Game")
@@ -10,4 +14,5 @@ func _on_area_3d_input_event(camera, event, position, normal, shape_idx):
 
 
 func _on_area_3d_mouse_exited():
+	self.get_node("play").hide()
 	self.scale = Vector3(1,1,1)