diff --git a/src/main.cpp b/src/main.cpp
index fb9bb1b..f772a6d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,15 +8,15 @@
 int main()
 {
     Scene scene;
-    Window window(1920, 1080);
+    Window window(800, 600);
     scene.render(
         Camera{
             .position = glm::vec3(10, 0, 0),
             .direction = glm::vec3(-1, 0, 0),
         },
         RenderParameter{
-            .width = 1920,
-            .height = 1080,
+            .width = 800,
+            .height = 600,
             .numSamples = 10000,
         });
     while (true)
diff --git a/src/scene/Scene.cpp b/src/scene/Scene.cpp
index 9299677..2cc4c60 100644
--- a/src/scene/Scene.cpp
+++ b/src/scene/Scene.cpp
@@ -9,7 +9,7 @@ Scene::Scene()
                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)));
+                         glm::vec4(0.0f, 0.0f, 4.0f, 0.0f)));
   bvh.generate();
 }
 
@@ -48,10 +48,14 @@ void Scene::render(Camera cam, RenderParameter params)
                                 .origin = glm::vec3(0.0f),
                                 .direction = glm::normalize(glm::vec3((float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX))
                               };
-                              bvh.traceRay(r);
 
-                              accumulator[w + h * params.width] +=
-                                  glm::vec3(w / float(params.width * params.numSamples), h / float(params.height * params.numSamples), 0);
+                              auto intersectionInfo = bvh.traceRay(r);
+
+                              if(intersectionInfo.has_value())
+                              {
+                                accumulator[w + h * params.width] += intersectionInfo->albedo;
+                                //glm::vec3(w / float(params.width * params.numSamples), h / float(params.height * params.numSamples), 0);
+                              }
                             }
                         });
                 }