Add lambertian and metallic materials

1 files changed, 5 insertions, 0 deletions

diff --git a/include/hittable.hpp b/include/hittable.hpp
index 4978e57..aa55034 100644
--- a/include/hittable.hpp
+++ b/include/hittable.hpp
@@ -1,13 +1,18 @@
 #ifndef __HITTABLE_HPP_
 #define __HITTABLE_HPP_
 
+#include <memory>
+
 #include "ray.hpp"
 
+class material;
+
 struct hit_info {
     double t;
     point3 point;
     vec3 normal;
     bool front_face;
+    std::shared_ptr<material> mat_ptr;
 
     inline void set_face_normal(const ray& r, const vec3& outward_normal) {
         front_face = r.direction.dot(outward_normal) < 0.0;