Improve settings theme and add intro scroller

IntroScroller.tres.gd

@@ -0,0 +1,27 @@
+@tool
+extends SubViewportContainer
+
+var count : float = 0
+
+func _ready() -> void:
+	$SubViewport/ScrollContainer.scroll_vertical = 0
+	set_notify_transform(true)
+	material.set_shader_parameter("rect_global_position", global_position / get_viewport_rect().size)
+#	material.set_shader_parameter("rect_size", get_rect().size/2)	
+
+func _process(delta : float) -> void:
+	if Engine.is_editor_hint() == false:
+		count += delta
+		if count >= 0.2:
+			count -= 0.2
+			$SubViewport/ScrollContainer.scroll_vertical += 1
+			var vbar = $SubViewport/ScrollContainer.get_v_scroll_bar()
+			if vbar.value >= vbar.max_value - $SubViewport/ScrollContainer.size.y:
+				vbar.value = 0
+
+func _notification(what: int) -> void:
+	if what == NOTIFICATION_TRANSFORM_CHANGED:
+		var pos = global_position / get_viewport_rect().size
+		material.set_shader_parameter("rect_global_position", pos)
+#		material.set_shader_parameter("rect_size", get_rect().size / get_viewport_rect().size * 24)
+