Add scene

src/main.cpp

@@ -1,6 +1,6 @@
 #include "gl.hpp"
 #include "program.hpp"
-#include "object.hpp"
+#include "scene.hpp"
 #include "camera.hpp"
 
 #include <cstdlib>
@@ -23,6 +23,8 @@ static GLuint texture_uniform;
 
 static bool keys[GLFW_KEY_LAST];
 
+static Scene scene;
+
 static Camera camera;
 static Camera camera1;
 static Camera camera2;
@@ -100,6 +102,8 @@ int main()
   bunny1 = new Object(*bunny);
   bunny1->position.x = 2.0;
 
+  scene << suzanne1 << teapot1 << bunny1;
+
   glEnable(GL_DEPTH_TEST);
 
   glClearColor(1, 1, 1, 0);
@@ -145,24 +149,16 @@ void iterate()
   const glm::mat4 mvp3 = camera3.transformation();
 
   glViewport(0, 0, 640 / 2, 480 / 2);
-  suzanne1->draw(mvp);
-  teapot1->draw(mvp);
-  bunny1->draw(mvp);
+  scene.draw(mvp);
 
   glViewport(640 / 2, 0, 640 / 2, 480 / 2);
-  suzanne1->draw(mvp1);
-  teapot1->draw(mvp1);
-  bunny1->draw(mvp1);
+  scene.draw(mvp1);
 
   glViewport(640 / 2, 480 / 2, 640 / 2, 480 / 2);
-  suzanne1->draw(mvp2);
-  teapot1->draw(mvp2);
-  bunny1->draw(mvp2);
+  scene.draw(mvp2);
 
   glViewport(0, 480 / 2, 640 / 2, 480 / 2);
-  suzanne1->draw(mvp3);
-  teapot1->draw(mvp3);
-  bunny1->draw(mvp3);
+  scene.draw(mvp3);
 }
 
 GLFWCALL void on_key(int key, int action)

src/scene.hpp

@@ -0,0 +1,34 @@
+#ifndef _SCENE_HPP_
+#define _SCENE_HPP_
+
+#include "object.hpp"
+
+#include <vector>
+
+#include <glm/glm.hpp>
+
+class Scene
+{
+public:
+  inline Scene &operator <<(Object *object);
+
+  inline void draw(const glm::mat4 &mvp);
+
+private:
+  std::vector<Object*> _objects;
+};
+
+Scene &Scene::operator <<(Object *object)
+{
+  _objects.push_back(object);
+
+  return *this;
+}
+
+void Scene::draw(const glm::mat4 &mvp)
+{
+  for (auto object : _objects)
+    object->draw(mvp);
+}
+
+#endif // _SCENE_HPP_