Resolved that annoying gravity bug and added trajectories, a grid, keyboard navigation and logarithimic scale

main.cpp

@@ -8,31 +8,32 @@
 
 int main() {
     Simulator simulator;
-    Renderer renderer(1024, 768);  // Increased window size for better visibility
+    Renderer renderer(1600, 1200);  // Increased window size for better visibility
 
-    // Sun
-    simulator.addBody(CelestialBody(1.989e30f, glm::vec3(0, 0, 0), glm::vec3(0, 0, 0)));
+// Sun (at the center)
+    simulator.addBody(CelestialBody(1.989e30f, glm::dvec3(0, 0, 0), glm::dvec3(0, 0, 0)));
 
 // Mercury
-    simulator.addBody(CelestialBody(3.285e23f, glm::vec3(57.9e9f, 0, 0), glm::vec3(0, 47.36e3f, 0)));
+    simulator.addBody(CelestialBody(3.285e23f, glm::dvec3(57.9e9f, 0, 0), glm::dvec3(0, 47.36e3f, 0)));
 
 // Venus
-    simulator.addBody(CelestialBody(4.867e24f, glm::vec3(108.2e9f, 0, 0), glm::vec3(0, 35.02e3f, 0)));
+    simulator.addBody(CelestialBody(4.867e24f, glm::dvec3(108.2e9f, 0, 0), glm::dvec3(0, 35.02e3f, 0)));
 
 // Earth
-    simulator.addBody(CelestialBody(5.972e24f, glm::vec3(149.6e9f, 0, 0), glm::vec3(0, 29.78e3f, 0)));
+    simulator.addBody(CelestialBody(5.972e24f, glm::dvec3(149.6e9f, 0, 0), glm::dvec3(0, 29.78e3f, 0)));
 
 // Mars
-    simulator.addBody(CelestialBody(6.39e23f, glm::vec3(227.9e9f, 0, 0), glm::vec3(0, 24.07e3f, 0)));
+    simulator.addBody(CelestialBody(6.39e23f, glm::dvec3(227.9e9f, 0, 0), glm::dvec3(0, 24.07e3f, 0)));
 
     const float dt = 3600.0f; // Time step of 1 hour
 
     while (!renderer.shouldClose()) {
+        renderer.processInput();
         simulator.update(dt);
         renderer.render(simulator);
         renderer.swapBuffers();
 
-        std::this_thread::sleep_for(std::chrono::milliseconds(16)); // Aim for roughly 60 FPS
+        std::this_thread::sleep_for(std::chrono::milliseconds(16));
     }
 
     return 0;