improve pause menu behavior

mini-game/scenes/decor/foreground.gd

@@ -2,18 +2,23 @@ extends Node2D
 
 onready var texture : TextureRect = $TextureRect
 
+var force_stop = false
 var moving = false
 
 func stop():
 	moving = false
+	force_stop = true
 	texture.material.set_shader_param("scroll_speed", 0)
 
 func start():
 	moving = true
+	force_stop = false
 	texture.material.set_shader_param("scroll_speed", 0.2)
 
 func _process(delta):
-	if get_tree().paused and moving:
-		stop()
-	elif not get_tree().paused and not moving:
-		start()
+	if not force_stop:
+		if get_tree().paused and moving:
+			stop()
+			force_stop = false
+		elif not get_tree().paused and not moving:
+			start()

scenes/PauseMenu.tscn

@@ -11,6 +11,7 @@ font_data = ExtResource( 4 )
 
 [node name="PauseMenu" type="Control"]
 pause_mode = 2
+visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 script = ExtResource( 1 )

scenes/UI.tscn

@@ -51,6 +51,8 @@ __meta__ = {
 margin_left = 1836.0
 margin_right = 1900.0
 margin_bottom = 64.0
+focus_mode = 0
+enabled_focus_mode = 0
 texture_normal = ExtResource( 1 )
 
 [node name="ColorRect" type="ColorRect" parent="MarginContainer/HBoxContainer/TextureButton"]