Code clean up and refactoring.

light.hpp

@@ -0,0 +1,18 @@
+#pragma once
+#ifndef LIGHT_HPP
+#define LIGHT_HPP
+
+#include <glm/vec3.hpp>
+
+class Light {
+public:
+  vec3 position;
+  vec3 diffuse;
+  vec3 specular;
+  vec3 ambient;
+
+  Light(): position(vec3(0.0f)), diffuse(vec3(1.0f)), specular(vec3(1.0f)), ambient(vec3(0.1f)) { }
+  Light(vec3 _p, vec3 _d, vec3 _s, vec3 _a): position(_p), diffuse(_d), specular(_s), ambient(_a) { }
+};
+
+#endif