More boilerplate

src/util/Model.h

@@ -3,11 +3,24 @@
 #include "scene/AABB.h"
 #include <vector>
 
+// material infos
+// shading parameter
+// hit data
+struct IntersectionInfo
+{
+  float t;
+  glm::vec3 position;
+  glm::vec3 normal;
+  glm::vec3 albedo;
+  glm::vec3 emissive;
+  //....
+};
 class Model
 {
 public:
     AABB boundingBox;
 	std::vector<glm::vec3> positions;
 	std::vector<uint32_t> indices;
+	std::optional<IntersectionInfo> intersect(Ray ray);
 };
 DECLARE_REF(Model)