Stabilize scrolling with factor from input event

Author: Razoric480

ui/components/SmoothScrollContainer.gd

@@ -103,20 +103,22 @@ func _gui_input(event: InputEvent) -> void:
 		accept_event()
 	elif can_mouse_scroll:
 		if event.is_action("scroll_up") and event.pressed:
-			scroll_up()
+			scroll_up(event.factor)
 			accept_event()
 		elif event.is_action("scroll_down") and event.pressed:
-			scroll_down()
+			scroll_down(event.factor)
 			accept_event()
 
 
-func scroll_up() -> void:
-	_set_target_position(_target_position + Vector2.UP * MOUSE_SCROLL_STEP * _scroll_sensitivity)
+func scroll_up(factor: float) -> void:
+	var delta := factor * MOUSE_SCROLL_STEP * _scroll_sensitivity
+	_set_target_position(_target_position + delta * Vector2.UP)
 	_last_accepted_scroll_event_time = Time.get_ticks_msec()
 
 
-func scroll_down() -> void:
-	_set_target_position(_target_position + Vector2.DOWN * MOUSE_SCROLL_STEP * _scroll_sensitivity)
+func scroll_down(factor: float) -> void:
+	var delta := factor * MOUSE_SCROLL_STEP * _scroll_sensitivity
+	_set_target_position(_target_position + delta * Vector2.DOWN)
 	_last_accepted_scroll_event_time = Time.get_ticks_msec()