garden_client/Assets/Script/Extension/SpriteExtension.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;

public static class SpriteExtension
{
    public static Texture2D ToTexture(this Sprite sprite)
    {
        int width = (int)sprite.rect.width;
        int height = (int)sprite.rect.height;
        int startX = (int)sprite.rect.x;
        int startY = (int)sprite.rect.y;
        //Debug.Log(width);
        //Debug.Log(height);
        //Debug.Log(startX);
        //Debug.Log(startY);
        Texture2D texture = new Texture2D(width, height);
        texture.SetPixels(sprite.texture.GetPixels(startX, startY, width, height));
        texture.Apply();
        return texture;
    }
}