diff --git a/packages/three_js_advanced_loaders/lib/gltf/gltf_parser.dart b/packages/three_js_advanced_loaders/lib/gltf/gltf_parser.dart
index 2b4d3c7..794b59f 100755
--- a/packages/three_js_advanced_loaders/lib/gltf/gltf_parser.dart
+++ b/packages/three_js_advanced_loaders/lib/gltf/gltf_parser.dart
@@ -892,8 +892,8 @@ class GLTFParser {
 
       if (materialDef["normalTexture"]["scale"] != null) {
         materialParams["normalScale"] = Vector2(
-            materialDef["normalTexture"]['scale'],
-            materialDef["normalTexture"]['scale']);
+            materialDef["normalTexture"]["scale"],
+            materialDef["normalTexture"]["scale"]);
       }
     }
 
diff --git a/packages/three_js_core/lib/others/three_viewer.dart b/packages/three_js_core/lib/others/three_viewer.dart
index 57d70be..c9f6451 100644
--- a/packages/three_js_core/lib/others/three_viewer.dart
+++ b/packages/three_js_core/lib/others/three_viewer.dart
@@ -90,7 +90,7 @@ class ThreeJS with WidgetsBindingObserver{
   bool visible = true;
 
   FlutterAngleTexture? texture;
-  late final RenderingContext gl;
+  RenderingContext? gl;
 
   core.WebGLRenderTarget? renderTarget;
   core.WebGLRenderer? renderer;
@@ -301,7 +301,9 @@ class ThreeJS with WidgetsBindingObserver{
   }
 
   Future<void> initScene() async{
-    initRenderer();
+    if (renderer == null) {
+      initRenderer();
+    }
     await setup?.call();
     mounted = true;
     ticker = Ticker(animate);
@@ -327,7 +329,9 @@ class ThreeJS with WidgetsBindingObserver{
     }
 
     console.info(texture?.toMap());
-    gl = texture!.getContext();
+    if (gl == null) {
+      gl = texture!.getContext();
+    }
     await initScene();
   }
 
diff --git a/packages/three_js_core/lib/renderers/web_gl_renderer.dart b/packages/three_js_core/lib/renderers/web_gl_renderer.dart
index 599a0cb..b35422c 100755
--- a/packages/three_js_core/lib/renderers/web_gl_renderer.dart
+++ b/packages/three_js_core/lib/renderers/web_gl_renderer.dart
@@ -21,8 +21,8 @@ class WebGLRenderer {
   bool reverseDepthBuffer = false;
 
   bool renderBackground = false;
-  late WebGLRenderList? currentRenderList;
-  late WebGLRenderState? currentRenderState;
+  WebGLRenderList? currentRenderList;
+  WebGLRenderState? currentRenderState;
 
   // render() can be called from within a callback triggered by another render.
 
diff --git a/packages/three_js_core_loaders/lib/ImageLoader/image_loader_web.dart b/packages/three_js_core_loaders/lib/ImageLoader/image_loader_web.dart
index 7219084..064f070 100644
--- a/packages/three_js_core_loaders/lib/ImageLoader/image_loader_web.dart
+++ b/packages/three_js_core_loaders/lib/ImageLoader/image_loader_web.dart
@@ -4,6 +4,7 @@ import 'dart:typed_data';
 //import 'dart:ui' as ui;
 import 'package:web/web.dart' as html;
 import 'dart:convert';
+import 'dart:ui' as ui;
 import 'package:three_js_core/three_js_core.dart';
 
 import '../utils/blob.dart';
@@ -66,15 +67,15 @@ html.HTMLImageElement setDimensions(html.HTMLImageElement imageElement, String?
   return imageElement;
 }
 
-// Future<List>? _getDimensions(Uint8List bytes) async{
-//   final codec = await ui.instantiateImageCodec(bytes);
-//   final frameInfo = await codec.getNextFrame();
-//   final width = frameInfo.image.width;
-//   final height = frameInfo.image.height;
-//   frameInfo.image.dispose();
+Future<List>? _getDimensions(Uint8List bytes) async{
+  final codec = await ui.instantiateImageCodec(bytes);
+  final frameInfo = await codec.getNextFrame();
+  final width = frameInfo.image.width;
+  final height = frameInfo.image.height;
+  frameInfo.image.dispose();
 
-//   return [width, height];
-// }
+  return [width, height];
+}
 
 List? _getJpegDimensions(Uint8List bytes) {
   // Verify the JPEG header (SOI marker)
@@ -120,11 +121,11 @@ Future<html.HTMLImageElement> createImageElementFromBytes(Uint8List bytes, [Stri
   // Create an ImageElement and set its source to the data URL
   html.HTMLImageElement imageElement = html.HTMLImageElement();
   imageElement.src = dataUrl;
-  //int start = DateTime.now().millisecondsSinceEpoch;
-  //print(DateTime.now());
-  List? dimensions = _getJpegDimensions(bytes);//await _getDimensions(bytes);//
-  //print(DateTime.now().millisecondsSinceEpoch-start);
-  //imageElement = setDimensions(imageElement, dimensions);
+  // int start = DateTime.now().millisecondsSinceEpoch;
+  // print(start);
+  List? dimensions = await _getDimensions(bytes);
+  // print(DateTime.now().millisecondsSinceEpoch-start);
+  // imageElement = setDimensions(imageElement, dimensions);
   if (dimensions != null) {
     console.verbose("extracted dimension width ${dimensions[0]} and height ${dimensions[1]}");
     imageElement.width = dimensions[0];
@@ -152,8 +153,8 @@ Future<ImageElement?> processImage(Uint8List? bytes, String? url, bool flipY) as
         url: url,
         data: imageElement,
         width: imageElement.width,
-        height: imageElement.height
-      )
+        height: imageElement.height,
+      ),
     );
   }
   else{