some new stuff.

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

simulations/mandelbrotset/cpp/mandelbrot_app.h

@@ -0,0 +1,91 @@
+#ifndef MANDELBROT_APP_H
+#define MANDELBROT_APP_H
+
+#include <windows.h>
+#include <d3d11.h>
+#include <d3dcompiler.h>
+#include <wrl/client.h>
+#include <unordered_map>
+#include <mutex>
+#include <string>
+
+using Microsoft::WRL::ComPtr;
+
+struct ConstantBuffer {
+    float xmin, xmax, ymin, ymax;
+    int width, height, maxIter;
+    float time;
+    float padding[3];
+};
+
+struct Bookmark {
+    double xmin, xmax, ymin, ymax;
+    int maxIter;
+    bool saved = false;
+};
+
+class MandelbrotApp {
+public:
+    MandelbrotApp(HINSTANCE hInstance);
+    ~MandelbrotApp();
+    void Run();
+
+private:
+    void CreateMainWindow();
+    void InitD3D();
+    void CreateComputeShader();
+    void ResizeBuffers(int width, int height);
+    void RenderMandelbrot();
+    void UpdateTitle();
+
+    void Zoom(double factor, int centerX, int centerY);
+    void Pan(int dx, int dy);
+    void ResetView();
+    void AdjustIterations(int delta);
+    void CycleColorScheme();
+    void ToggleAnimation();
+
+    void SaveBookmark();
+    void LoadBookmark(int slot);
+
+    static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+    LRESULT HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+    HINSTANCE hInstance_;
+    HWND hwnd_;
+
+    ComPtr<ID3D11Device> device_;
+    ComPtr<ID3D11DeviceContext> context_;
+    ComPtr<IDXGISwapChain> swapChain_;
+    ComPtr<ID3D11RenderTargetView> renderTargetView_;
+    ComPtr<ID3D11ComputeShader> computeShader_;
+    ComPtr<ID3D11VertexShader> vertexShader_;
+    ComPtr<ID3D11PixelShader> pixelShader_;
+    ComPtr<ID3D11Buffer> constantBuffer_;
+    ComPtr<ID3D11Texture2D> outputTexture_;
+    ComPtr<ID3D11UnorderedAccessView> outputUAV_;
+    ComPtr<ID3D11ShaderResourceView> outputSRV_;
+    ComPtr<ID3D11SamplerState> samplerState_;
+
+    double xmin_ = -2.5, xmax_ = 1.5;
+    double ymin_ = -1.5, ymax_ = 1.5;
+    int maxIter_ = 256;
+    int colorScheme_ = 0;
+    bool animationEnabled_ = false;
+    float animTime_ = 0.0f;
+
+    int imageWidth_ = 0;
+    int imageHeight_ = 0;
+    int lastMouseX_ = 0;
+    int lastMouseY_ = 0;
+    bool dragging_ = false;
+    bool rightDragging_ = false;
+    std::unordered_map<WPARAM, bool> keysPressed_;
+    std::mutex viewMutex_;
+
+    LARGE_INTEGER perfFreq_;
+    LARGE_INTEGER lastFrameTime_;
+    Bookmark bookmarks_[10];
+};
+
+#endif