Unity实现颜色渐变滑动条

本文实例为大家分享了Unity实现颜色渐变滑动条的具体代码，供大家参考，具体内容如下

效果展示

代码

直接挂在UGUI Slider上即可

using UnityEngine;
using UnityEngine.UI;

public class ColorFade : MonoBehaviour
{
   Color[] colors = new Color[]{
     new Color(1, 0, 0),
     new Color(1, 1, 0),
     new Color(0, 1, 0),
     new Color(0, 1, 1),
     new Color(0, 0, 1),
     new Color(1, 0, 1),
     new Color(1, 0, 0)};

private Slider slider_color;
   private Image img_handle;

private void Awake()
   {
       slider_color = transform.GetComponent<Slider>();
       slider_color.onValueChanged.AddListener(OnColorSliderValueChanged);
       // handle
       img_handle = slider_color.handleRect.GetComponent<Image>();
       img_handle.color = Color.red;
       // bg
       var hueTex = new Texture2D(colors.Length, 1);
       hueTex.SetPixels(colors);
       hueTex.Apply();
       slider_color.transform.Find("Background").GetComponent<Image>().sprite =
           Sprite.Create(hueTex, new Rect(Vector2.zero, new Vector2(colors.Length, 1)), Vector2.one * 0.5f);
       // fill
       slider_color.fillRect.GetComponent<Image>().enabled = false;
   }
   private void OnColorSliderValueChanged(float _value)
   {
       img_handle.color = Color.HSVToRGB(_value, 1, 1);
   }
}

来源：https://blog.csdn.net/qq_22955617/article/details/119039442