extends ScrollContainer

var dragging = false
var drag_start_position = Vector2()
var scroll_start_position = Vector2()

func _input(event):
	if event is InputEventMouseButton or event is InputEventScreenTouch:
		if event.pressed:
			dragging = true
			drag_start_position = event.position
			scroll_start_position = Vector2(get_h_scroll(), get_v_scroll())
		else:
			dragging = false
	elif dragging and (event is InputEventMouseMotion or event is InputEventScreenDrag):
		var delta = event.position - drag_start_position
		set_h_scroll(scroll_start_position.x - delta.x)
		set_v_scroll(scroll_start_position.y - delta.y)