using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace UC
{
    public class TextureUtil
    {
        public static Texture2D Resize(Texture tex, float downScaleRatio)
        {
            RenderTexture temp = RenderTexture.GetTemporary((int)(tex.width / downScaleRatio), (int)(tex.height / downScaleRatio), 0, RenderTextureFormat.ARGB32);
            Graphics.Blit(tex, temp);
            RenderTexture current = RenderTexture.active;
            RenderTexture.active = temp;
            Texture2D newTex = new Texture2D(temp.width, temp.height, TextureFormat.ARGB32, false);
            newTex.ReadPixels(new Rect(0, 0, temp.width, temp.height), 0, 0);
            newTex.Apply();
            RenderTexture.active = current;
            RenderTexture.ReleaseTemporary(temp);
            return newTex;
        }
    }
}