AR初版demo

Assets/Scripts/Utils/Utils.cs

@@ -13,6 +13,7 @@ using UnityEngine;
 using UnityEngine.Events;
 using UnityEngine.Networking;
 using UnityEngine.UI;
+using UnityEngine.Video;
 
 namespace Assets.Scripts
 {
@@ -461,6 +462,52 @@ namespace Assets.Scripts
                 }
             }
         }
+        //下载video
+        public static IEnumerator DownloadVideo(string fileName,string url, UnityAction<float, UnityWebRequest> onProcessing = null, UnityAction<string> onCompleted = null)
+        {
+            string local = "";
+            var path = PFConstants.VideoFolder;
+            //根据id读取本地文件
+            if (!Directory.Exists(path))
+            {
+                Directory.CreateDirectory(path);
+            }
+            var filepath= path+$"/{fileName}.mp4";
+            if (File.Exists(filepath))
+            {
+                local = filepath;
+
+            }
+            //本地文件读取不到读取网络文件
+            else
+            {
+                UnityWebRequest request = UnityWebRequest.Get(url);
+                request.SendWebRequest();
+                while (!request.isDone)
+                {
+                    if (onProcessing != null)
+                    {
+                        onProcessing.Invoke(request.downloadProgress, request);
+                    }
+                    yield return new WaitForSeconds(1);
+                }
+                if (request.isNetworkError || request.isHttpError)
+                {
+                    Debug.Log(request.error);
+                }
+                else
+                {
+                    var fs =  File.Create(filepath);
+                    fs.Write(request.downloadHandler.data, 0, request.downloadHandler.data.Length);
+                    fs.Close();
+                    local = filepath;
+                }
+            }
+            if (onCompleted != null)
+            {
+                onCompleted.Invoke(local);
+            }
+        }
         static IEnumerator DownloadImage(MaskableGraphic img,string MediaUrl, Action<Texture> action = null,UnityAction<byte[]> callback = null)
         {
             UnityWebRequest request = UnityWebRequest.Get(MediaUrl);