Cleanup / refractor

include/app/app.h

@@ -182,13 +182,9 @@ struct App {
     current_scene_id = scene_id;
   }
 
-  App(Vec2<float> size, const char *title, int anim_loading) {
+  App(Vec2<float> size, const char *title) {
     window.update(size, title);
-#warning "Should try to center the loading image or scale it to fit the screen"
     Scene *loading_scene = new Scene{};
-    EImage *image = new EImage(anim_loading);
-    int image_id = element_pool.acquire(image);
-    loading_scene->add_element(image_id);
     current_scene_id = scene_pool.acquire(loading_scene);
   }