feat: debug toggle button (F3)

src/Game.cpp

@@ -18,7 +18,6 @@ Game::Game()
     m_window.create(sf::VideoMode({Constants::WIDTH, Constants::HEIGHT}),
                     "SFML Playground");
     m_window.setVerticalSyncEnabled(true);
-    m_timeScale = 1.0f;
     m_objects.clear();
 
     auto balls = BallFactory::generateBalls();
@@ -35,6 +34,10 @@ void Game::processKeyPressed(const sf::Event::KeyPressed &kP) {
         m_timeScale -= 0.25f;
         if (m_timeScale < 0.25f) m_timeScale = 0.25f;
     }
+
+    if (kP.code == sf::Keyboard::Key::F3) {
+        m_toggleDebug = !m_toggleDebug;
+    }
 }
 
 void Game::processMousePressed(const sf::Event::MouseButtonPressed &mP) {
@@ -67,20 +70,20 @@ void Game::render() {
 
     for (const auto &object : m_objects) {
         object->draw(m_window);
-        m_drawCallCount++;
-
-        auto *ball = dynamic_cast<Ball *>(object.get());
-        if (!ball) continue;
+        ++m_drawCallCount;
 
+        if (!m_toggleDebug) continue;
+        if (auto *ball = dynamic_cast<Ball *>(object.get())) {
             DebugDraw::addDirectionLine(m_debugLines, ball, m_window);
             DebugDraw::addVelocityLine(m_debugLines, ball);
         }
+    }
 
+    if (m_toggleDebug) {
         DebugDraw::drawBatchedLines(m_window, m_debugLines);
-    m_drawCallCount++;
-
-    m_debugOverlay.update(m_drawCallCount, m_timeScale, m_window);
+        m_debugOverlay.update(m_drawCallCount + 2, m_timeScale, m_window);
         m_debugOverlay.draw(m_window);
+    }
 
     m_window.display();
 }

src/Game.hpp

@@ -19,7 +19,7 @@ class PhysicalObject;
 
 class Game {
    private:
-    float m_timeScale;
+    float m_timeScale = 1.0f;
     sf::RenderWindow m_window;
     std::vector<std::unique_ptr<PhysicalObject>> m_objects;
     sf::Clock m_clock;
@@ -27,6 +27,8 @@ class Game {
     sf::VertexArray m_debugLines;
     int m_drawCallCount = 0;
     DebugOverlay m_debugOverlay;
+    bool m_toggleDebug = false;
+
     void processKeyPressed(const sf::Event::KeyPressed& keyPressed);
     void processMousePressed(const sf::Event::MouseButtonPressed& mousePressed);
     void handleMouseClick(const sf::Vector2i& mousePos);