Add basic phong lighting

(ambient+diffuse+specular)

src/Controller.cpp

@@ -49,15 +49,29 @@ void Controller::run() {
 
     std::vector<Entity> scene;
 
-    //Model model_backpack("res/models/backpack.obj");
+    Model model_backpack("res/models/backpack.obj");
     Model model_cube("res/models/cube.obj");
+    Model model_sphere("res/models/sphere.obj");
 
     //Entity backpack1(&model_backpack, &shaderProgram);
-    Entity cube(&model_cube, &shaderProgram);
+    Entity cube(&model_backpack, &shaderProgram);
+    Entity sphere(&model_sphere, &shaderProgram);
     Entity lightSource(&model_cube, &lightProgram);
 
-    //scene.push_back(backpack1);
+    sphere.translate(glm::vec3(5.0f, 0.0f, 2.5f));
+
+    lightSource.translate(glm::vec3(-5.0f, 1.0f, 0.0f));
+    lightSource.scale(0.2f);
+
+    shaderProgram.bind();
+    shaderProgram.setUniform("u_lightPosition", lightSource.getPosition());
+    shaderProgram.setUniform("u_objectColor", glm::vec3(1.0f, 0.5f, 0.31f));
+    shaderProgram.setUniform("u_lightColor", glm::vec3(1.0f, 1.0f, 1.0f));
+    shaderProgram.unbind();
+
+    scene.push_back(lightSource);
     scene.push_back(cube);
+    scene.push_back(sphere);
     
     camera->translate(glm::vec3(0.0f, 0.0f, 7.5f));
 
@@ -83,8 +97,11 @@ void Controller::run() {
         camera->lookForward();
         camera->updateVPM();
 
+        for(auto it = scene.begin(); it != scene.end(); it++) {
+            it->draw(camera->getViewProj(), camera->getPosition());
+        }
         //backpack1.draw(camera->getViewProj());
-        cube.draw(camera->getViewProj());
+        //cube.draw(camera->getViewProj());
 
         glfwSwapBuffers(gameWindow->getGLFWwindow());