fix: Havia deixat comentat un IF fent proves

source/fade.cpp

@@ -55,7 +55,7 @@ void Fade::reset()
 // Pinta una transición en pantalla
 void Fade::render()
 {
-	//if (state_ != FadeState::NOT_ENABLED)
+	if (state_ != FadeState::NOT_ENABLED)
 	{
 		SDL_RenderCopy(renderer_, backbuffer_, nullptr, nullptr);
 	}