afegit comptador de frames per segon

source/core/rendering/sdl_manager.cpp

@@ -15,6 +15,9 @@
 SDLManager::SDLManager()
     : finestra_(nullptr),
       renderer_(nullptr),
+      fps_accumulator_(0.0f),
+      fps_frame_count_(0),
+      fps_display_(0),
       current_width_(Defaults::Window::WIDTH),
       current_height_(Defaults::Window::HEIGHT),
       is_fullscreen_(false),
@@ -69,6 +72,9 @@ SDLManager::SDLManager()
 SDLManager::SDLManager(int width, int height, bool fullscreen)
     : finestra_(nullptr),
       renderer_(nullptr),
+      fps_accumulator_(0.0f),
+      fps_frame_count_(0),
+      fps_display_(0),
       current_width_(width),
       current_height_(height),
       is_fullscreen_(fullscreen),
@@ -305,3 +311,35 @@ void SDLManager::updateColors(float delta_time) {
     // Actualitzar color global de línies
     Rendering::setLineColor(color_oscillator_.getCurrentLineColor());
 }
+
+// [NUEVO] Actualitzar comptador de FPS
+void SDLManager::updateFPS(float delta_time) {
+    // Acumular temps i frames
+    fps_accumulator_ += delta_time;
+    fps_frame_count_++;
+
+    // Actualitzar display cada 0.5 segons
+    if (fps_accumulator_ >= 0.5f) {
+        fps_display_ = static_cast<int>(fps_frame_count_ / fps_accumulator_);
+        fps_frame_count_ = 0;
+        fps_accumulator_ = 0.0f;
+
+        // Actualitzar títol de la finestra
+        std::string title = std::format("{} v{} ({}) - {} FPS",
+            Project::LONG_NAME,
+            Project::VERSION,
+            Project::COPYRIGHT,
+            fps_display_);
+
+        if (finestra_) {
+            SDL_SetWindowTitle(finestra_, title.c_str());
+        }
+    }
+}
+
+// [NUEVO] Actualitzar títol de la finestra
+void SDLManager::setWindowTitle(const std::string& title) {
+    if (finestra_) {
+        SDL_SetWindowTitle(finestra_, title.c_str());
+    }
+}