Unity编辑器扩展：图集拆分
发表于2018-07-04
项目中需要用到图片资源有很多，如果把整个图集打包到项目则明显是不划算的，而如果让美术人员去把这些需要的图片切出来工作量又太大，此时借助工具在Project下选择要切出小图的Sprite。
代码如下：//导出单个精灵
[MenuItem("Assets/MyEditor/SingleSpritesExport &x")]
static void SingleSpritesExport()
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string resourcesPath = "Assets/Resources/";
foreach (Object obj in Selection.objects)
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string selectionPath = AssetDatabase.GetAssetPath(obj);
// 必须最上级是"Assets/Resources/"
if (selectionPath.StartsWith(resourcesPath))
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string selectionExt = System.IO.Path.GetExtension(selectionPath);
if (selectionExt.Length == 0)
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continue;
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// 得到导出路径
string loadPath = selectionPath.Remove(selectionPath.Length - selectionExt.Length);
loadPath = loadPath.Substring(resourcesPath.Length);
// 加载此文件下的所有资源
Sprite[] sprites = Resources.LoadAll<Sprite>(loadPath);
if (sprites.Length > 0)
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// 创建导出文件夹
string outPath = Application.dataPath + "/outSprite/" + loadPath;
System.IO.Directory.CreateDirectory(outPath);
foreach (Sprite sprite in sprites)
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// 创建单独的纹理
Texture2D tex = new Texture2D((int)sprite.rect.width, (int)sprite.rect.height, sprite.texture.format, false);
tex.SetPixels(sprite.texture.GetPixels((int)sprite.rect.xMin, (int)sprite.rect.yMin,
(int)sprite.rect.width, (int)sprite.rect.height));
tex.Apply();
// 写入成PNG文件
System.IO.File.WriteAllBytes(outPath + "/" + sprite.name + ".png", tex.EncodeToPNG());
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Debug.Log(string.Format("Export ｛0｝ to ｛1｝", loadPath, outPath));
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Debug.Log("Export All Sprites Finished");
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注意要把图集放到Resources文件下并勾选Read/Write Enable
拆分后
