Esquelet inicial: finestra negra i primera escena

source/game/scenes/black_scene.cpp

@@ -0,0 +1,23 @@
+#include "game/scenes/black_scene.hpp"
+
+#include <SDL3/SDL.h>
+
+#include "core/rendering/screen.hpp"
+#include "core/system/event_buffer.hpp"
+
+BlackScene::BlackScene() = default;
+
+void BlackScene::update(int delta_ms) {
+    elapsed_ms_ += delta_ms;
+
+    for (const auto& event : EventBuffer::events) {
+        if (event.type == SDL_EVENT_KEY_DOWN && event.key.scancode == SDL_SCANCODE_ESCAPE) {
+            wants_quit_ = true;
+        }
+    }
+}
+
+void BlackScene::render() {
+    Screen::get()->clear(0x00, 0x00, 0x00);
+    Screen::get()->present();
+}