优化

Assets/Script/Util/WebRTCUtil.cs

@@ -55,5 +55,27 @@ namespace Script.Util
                 Debug.LogError($"下载头像失败: {e.Message}");
             }
         }
+
+        /// <summary>
+        /// 尝试将dataUrl解码为Texture2D
+        /// </summary>
+        /// <param name="dataUrl"></param>
+        /// <param name="tex"></param>
+        /// <returns></returns>
+        public static bool TryDecodeDataUrlToTexture(string dataUrl, out Texture2D tex)
+        {
+            tex = null;
+            if (string.IsNullOrEmpty(dataUrl)) return false;
+            if (!dataUrl.StartsWith("data:image/")) return false;
+
+            var comma = dataUrl.IndexOf(',');
+            if (comma < 0) return false;
+
+            var b64 = dataUrl.Substring(comma + 1);
+            var bytes = Convert.FromBase64String(b64);
+
+            tex = new Texture2D(2, 2, TextureFormat.RGBA32, false);
+            return tex.LoadImage(bytes);
+        }
     }
 }