some new stuff.

idk its all pretty fun! some C++ too!

simulations/mandelbrotset/cpp/main.cpp

@@ -0,0 +1,22 @@
+#include <windows.h>
+#include "mandelbrot_app.h"
+
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow) {
+    // Check for DirectX 11 support
+    if (FAILED(D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0, nullptr, 0,
+        D3D11_SDK_VERSION, nullptr, nullptr, nullptr))) {
+        MessageBox(nullptr, L"DirectX 11 is not available on this system.", L"Error", MB_OK | MB_ICONERROR);
+        return 1;
+    }
+
+    try {
+        MandelbrotApp app(hInstance);
+        app.Run();
+    }
+    catch (...) {
+        MessageBox(nullptr, L"An unexpected error occurred.", L"Error", MB_OK | MB_ICONERROR);
+        return 1;
+    }
+
+    return 0;
+}