Slider.direction

説明

最小値(minimum) から最大値(maximum)に至るまでのスライダーの方向。

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when Using UI elements.

public class Example : MonoBehaviour 
{
	public Slider mainSlider;
	
	public void Start()
	{
		//Changes the direction of the slider.
		if (mainSlider.direction == Slider.Direction.BottomToTop) 
		{
			mainSlider.direction = Slider.Direction.TopToBottom;
		}
	}
}