it does something

src/util/Ray.h

@@ -4,15 +4,15 @@
 struct Payload
 {
   glm::vec3 accumulatedRadiance = glm::vec3(0);
-  glm::vec3 accumulatedMaterial = glm::vec3(0);
+  glm::vec3 accumulatedMaterial = glm::vec3(1);
+  uint32_t depth = 0;
+  float emissive = 1;
 };
 
 struct Ray
 {
     glm::vec3 origin;
     glm::vec3 direction;
-    uint32_t depth = 0;
-    Payload payload;
 };
 
 struct HitInfo
@@ -20,5 +20,8 @@ struct HitInfo
   float t;
   glm::vec3 position;
   glm::vec3 normal;
+  // not entirely sure what that does
+  // its the normal being flipped based on some dot product
+  glm::vec3 normalLight;
   glm::vec2 texCoords;
 };