Fixed the weird stutter and added fps in title bar

JulietApp/main.cpp

@@ -209,6 +209,22 @@ void JulietApplication::Update()
     lastTime = currentTime;
 
     CameraTime += deltaTime;
+
+    static float fpsTimer  = 0.0f;
+    static int   fpsFrames = 0;
+    fpsTimer += deltaTime;
+    fpsFrames++;
+    if (fpsTimer >= 0.5f)
+    {
+        float fps = static_cast<float>(fpsFrames) / fpsTimer;
+        float ms  = (fpsTimer / static_cast<float>(fpsFrames)) * 1000.0f;
+        char title[64];
+        snprintf(title, sizeof(title), "Juliet | %.1f FPS | %.2f ms", static_cast<double>(fps), static_cast<double>(ms));
+        SetWindowTitle(MainWindow, WrapString(title));
+        fpsTimer  = 0.0f;
+        fpsFrames = 0;
+    }
+
     bool        reloadShaders         = false;
     static bool reloadShadersDebounce = false;
 
@@ -339,8 +355,8 @@ Camera JulietApplication::GetDebugCamera()
 
     float radius = baseRadius;
     //* Uncomment for active zoom
-    float zoomAmplitude = 10.0f; // Oscillate between 1.5m and 3.5m away
-    float zoomSpeed     = 0.8f;
+    float zoomAmplitude = 15.0f;
+    float zoomSpeed     = 0.5f;
     radius              = baseRadius + (sinf(time * zoomSpeed) * zoomAmplitude);
     //*/
     float zHeight = radius * 0.5f; // Keep a nice downward viewing angle