Created a testing skybox and got the reflection and refraction working.

24-cubemaps/src/mesh.cpp

@@ -1,9 +1,10 @@
 #include "mesh.hpp"
 #include "dbc.hpp"
 
-void Mesh::draw(Shader &shader) {
-  // CAN WE DO THIS LESS OFTEN OUTSIDE DRAWING?
-  apply_textures(shader);
+void Mesh::draw(Shader &shader, bool with_textures) {
+  if(with_textures) {
+    apply_textures(shader);
+  }
 
   glBindVertexArray(VAO);
   glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0);

24-cubemaps/src/mesh.hpp

@@ -66,7 +66,7 @@ struct Mesh {
     setup_mesh();
   }
 
-  void draw(Shader &shader);
+  void draw(Shader &shader, bool with_textures);
   void setup_mesh();
   void apply_textures(const Shader& shader);
 };

24-cubemaps/src/model.cpp

@@ -83,9 +83,9 @@ unsigned int texture_from_file(const std::string& directory, const std::string&
   return textureID;
 }
 
-void Model::draw(Shader &shader) {
+void Model::draw(Shader &shader, bool with_textures) {
   for(auto& mesh : meshes) {
-    mesh.draw(shader);
+    mesh.draw(shader, with_textures);
   }
 }
 

24-cubemaps/src/model.hpp

@@ -32,7 +32,7 @@ struct Model {
     load_model();
   }
 
-  void draw(Shader &shader);
+  void draw(Shader &shader, bool with_textures=true);
 
   void load_model();
   void process_node(const aiScene *scene, aiNode *node);

24-cubemaps/src/scene.cpp

@@ -31,7 +31,7 @@ void Scene::draw_thing(Shader& with_shader, Thing& thing)
 
   with_shader.setMat4("model", model);
 
-  thing.model.draw(with_shader);
+  thing.model.draw(with_shader, false);
 }
 
 void Scene::render(GLFWwindow* window) {
@@ -47,6 +47,7 @@ void Scene::render(GLFWwindow* window) {
   shader.use();
   shader.setMat4("view", view);
   shader.setMat4("projection", projection);
+  shader.setVec3("cameraPos", camera.position);
 
   for(auto& thing : things) {
     draw_thing(shader, thing);