[Unity工具]批量修改Texture

BatchModifyTexture.cs

 using UnityEngine;

 using System.Collections;

 using UnityEditor;

 using System.IO;

 public class BatchModifyTexture {

     [MenuItem("Assets/BatchModifyTexture")]

     static void Init()

     {

         //获取Project视图中的选中目录下的所有图片

         Object[] objects = Selection.GetFiltered(typeof(Object), SelectionMode.Unfiltered);

         string dir = Application.dataPath.Substring(, Application.dataPath.LastIndexOf("/")) + "/" + AssetDatabase.GetAssetPath(objects[]);

         //Debug.LogError(dir);

         string[] paths = Directory.GetFiles(dir, "*.png", SearchOption.AllDirectories);

         //创建存放目录

         string saveDir = Application.dataPath + "/BatchModifyTexture";

         if (!Directory.Exists(saveDir))

         {

             Directory.CreateDirectory(saveDir);

         }

         //图片处理

         for (int i = ; i < paths.Length; i++)

         {

             string path = paths[i];

             string assetPath = path.Substring(path.IndexOf("Assets/"));

             string name = assetPath.Substring(assetPath.LastIndexOf("\\") + );

             //Debug.LogWarning(assetPath);

             //Debug.LogWarning(name);

             //设置成可读

             TextureImporter textureImporter = AssetImporter.GetAtPath(assetPath) as TextureImporter;

             textureImporter.textureType = TextureImporterType.Advanced;

             textureImporter.isReadable = true;

             AssetDatabase.ImportAsset(assetPath);

             //图片颜色变亮

             Texture2D tex = AssetDatabase.LoadAssetAtPath<Texture2D>(assetPath);

             Color[] colors = tex.GetPixels(, , tex.width, tex.height);

             Texture2D texTemp = new Texture2D(tex.width, tex.height);

             Color[] colorsTemp = new Color[colors.Length];

             for (int j = ; j < colors.Length; j++)

             {

                 colorsTemp[j] = colors[j] * 2f;

             }

             texTemp.SetPixels(, , tex.width, tex.height, colorsTemp);

             texTemp.Apply();

             byte[] bytes = texTemp.EncodeToPNG();

             File.WriteAllBytes(saveDir + "/" + name, bytes);

         }

         AssetDatabase.Refresh();

         Debug.Log("BatchModifyTexture Finish");

     }

 }