diff --git a/res/models/box.blend b/res/models/box.blend
index 54eba0e..607800b 100644
Binary files a/res/models/box.blend and b/res/models/box.blend differ
diff --git a/res/models/box.blend1 b/res/models/box.blend1
index 0a08022..54eba0e 100644
Binary files a/res/models/box.blend1 and b/res/models/box.blend1 differ
diff --git a/res/models/box.fbx b/res/models/box.fbx
new file mode 100644
index 0000000..55eb57d
Binary files /dev/null and b/res/models/box.fbx differ
diff --git a/src/main.cpp b/src/main.cpp
index c227fc5..ff74771 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,8 +9,9 @@ int main()
   Renderer scene;
   Window window(1920, 1080);
   Camera camera = Camera{
-      .position = glm::vec3(20, 5, 5),
+      .position = glm::vec3(-30, 5, 5),
       .target = glm::vec3(0, 0, 0),
+      .S_O = 40,
   };
   RenderParameter render = RenderParameter{
       .width = 1920,
diff --git a/src/scene/Renderer.cpp b/src/scene/Renderer.cpp
index 59e13b0..fe510c1 100644
--- a/src/scene/Renderer.cpp
+++ b/src/scene/Renderer.cpp
@@ -10,7 +10,7 @@ Renderer::Renderer()
       .direction = glm::normalize(glm::vec3(-0.4f, -0.3f, -0.2f)),
       .color = glm::vec3(1, 1, 1),
   });
-  bvh.addModels(ModelLoader::loadModel("../res/models/cube.fbx"),
+  bvh.addModels(ModelLoader::loadModel("../res/models/stanford-bunny.obj"),
                 glm::mat4(glm::vec4(1.0f, 0.0f, 0.0f, 0.0f), glm::vec4(0.0f, 1.0f, 0.0f, 0.0f), glm::vec4(0.0f, 0.0f, 1.0f, 0.0f),
                           glm::vec4(0.0f, 0.0f, 0.0f, 1.0f)));
   bvh.generate();
diff --git a/src/scene/Renderer.h b/src/scene/Renderer.h
index aee5f82..a0d57be 100644
--- a/src/scene/Renderer.h
+++ b/src/scene/Renderer.h
@@ -20,7 +20,7 @@ public:
   void startRender(Camera cam, RenderParameter params);
   constexpr const std::vector<glm::vec3>& getImage() const { return image; }
   constexpr const std::vector<float>& getSampleTimes() const { return sampleTimes; }
-  constexpr const float getLastSampleTime() const { return sampleTimes.back(); }
+  constexpr const float getLastSampleTime() const { return sampleTimes.empty() ? 0 : sampleTimes.back(); }
   constexpr const float getAverageSampleTime() const
   {
     return std::accumulate(sampleTimes.begin(), sampleTimes.end(), 0.0f) / sampleTimes.size();
diff --git a/src/scene/Scene.cpp b/src/scene/Scene.cpp
index 4cff284..fc68f18 100644
--- a/src/scene/Scene.cpp
+++ b/src/scene/Scene.cpp
@@ -159,7 +159,7 @@ IntersectionInfo Scene::generateIntersections(const PNode& currentNode, const Ra
 {
   if (!currentNode->aabb.intersects(ray, tmin, tmax))
   {
-    return {};
+  //  return {};
   }
   if (currentNode->model.numIndices > 0)
   {
diff --git a/src/util/ModelLoader.cpp b/src/util/ModelLoader.cpp
index 119a430..02ffc1a 100644
--- a/src/util/ModelLoader.cpp
+++ b/src/util/ModelLoader.cpp
@@ -20,7 +20,14 @@ std::vector<PModel> ModelLoader::loadModel(std::string_view filename)
     {
       auto aiVert = mesh->mVertices[v];
       model->positions.push_back(glm::vec3(aiVert.x, aiVert.y, aiVert.z));
-      model->texCoords.push_back(glm::vec2(mesh->mTextureCoords[0][v].x, mesh->mTextureCoords[0][v].y));
+      if (mesh->HasTextureCoords(0))
+      {
+        model->texCoords.push_back(glm::vec2(mesh->mTextureCoords[0][v].x, mesh->mTextureCoords[0][v].y));
+      }
+      else
+      {
+        model->texCoords.push_back(glm::vec2(0, 0));
+      }
       aabb.adjust(model->positions.back());
     }
     for (int i = 0; i < mesh->mNumFaces; ++i)