Unity 2021.3.6I want to implement the function of partial screenshots by the following method public static void SaveRenderTexture(RenderTexture rt, string folderName) { var saveDir = Application.persistentDataPath + "/" + folderName + "/"; if (!Dire...

我用的Unity版本是2021.3.6我想实现局部截图的功能，通过下述这个方法 public static void SaveRenderTexture(RenderTexture rt, string folderName) { var saveDir = Application.persistentDataPath + "/" + folderName + "/"; if (!Directory.Exists(saveDir)) { Directory.CreateDirectory(sav...