Added Post Processing, Improved UI a lot, Made File Explorer look nicer, Fixed up Raycast Selection, Added Placeholder Playmode Button, Added cameras, Organized Create menu in Inspector, Added outlines to selected objects, added view output for viewing cameras while in Playmode area.

src/Engine.h

@@ -82,6 +82,10 @@ private:
     float fileBrowserIconScale = 1.0f;  // 0.5 to 2.0 range
     bool showEnvironmentWindow = true;
     bool showCameraWindow = true;
+    bool isPlaying = false;
+    bool isPaused = false;
+    bool showViewOutput = true;
+    int previewCameraId = -1;
 
     // Private methods
     SceneObject* getSelectedObject();
@@ -107,6 +111,7 @@ private:
     void renderViewport();
     void renderDialogs();
     void renderProjectBrowserPanel();
+    Camera makeCameraFromObject(const SceneObject& obj) const;
     
     void renderFileBrowserToolbar();
     void renderFileBrowserBreadcrumb();