refac: clean base

src/Game.cpp

@@ -0,0 +1,69 @@
+#include "Game.hpp"
+
+Game::Game() : gridLines(WIDTH, HEIGHT, 20.f), player(15.f, sf::Color::Green) {
+  window.create(sf::VideoMode({WIDTH, HEIGHT}), "SFML Game");
+  window.setVerticalSyncEnabled(VSYNC);
+
+  if (!debug.font.openFromFile("assets/Consolas.ttf")) {
+    window.close();
+  }
+
+  worldView.setSize({(float)WIDTH, (float)HEIGHT});
+  worldView.setCenter({(float)WIDTH / 2.f, (float)HEIGHT / 2.f});
+}
+
+void Game::run() {
+  sf::Clock clock;
+  while (window.isOpen()) {
+    double dt = clock.restart().asMicroseconds() / 1000.0;
+    processEvents();
+    update(dt);
+    render();
+  }
+}
+
+void Game::onResize() {
+  auto windowSize = window.getSize();
+  float windowRatio =
+      static_cast<float>(windowSize.x) / static_cast<float>(windowSize.y);
+  float viewWidth = 1.0f;
+  float viewHeight = 1.0f;
+  float posX = 0.0f;
+  float posY = 0.0f;
+
+  if (windowRatio > ASPECT) {
+    viewWidth = ASPECT / windowRatio;
+    posX = (1.0f - viewWidth) / 2.0f;
+  } else {
+    viewHeight = windowRatio / ASPECT;
+    posY = (1.0f - viewHeight) / 2.0f;
+  }
+
+  worldView.setViewport(sf::FloatRect({posX, posY}, {viewWidth, viewHeight}));
+}
+
+void Game::processEvents() {
+  while (const std::optional event = window.pollEvent()) {
+    if (event->is<sf::Event::Closed>()) {
+      window.close();
+    } else if (event->is<sf::Event::Resized>()) {
+      onResize();
+    }
+  };
+};
+
+void Game::update(double dt) {
+  debug.update(dt);
+  player.update(dt, window, worldView);
+};
+
+void Game::render() {
+  window.clear();
+  window.setView(worldView);
+
+  gridLines.render(window);
+  debug.render(window);
+  player.render(window);
+
+  window.display();
+};