trying c++ impl

1 files changed, 39 insertions, 0 deletions

diff --git a/cpp-timeplot/src/waterfall.h b/cpp-timeplot/src/waterfall.h
new file mode 100644
index 0000000..4c5d813
--- /dev/null
+++ b/cpp-timeplot/src/waterfall.h
@@ -0,0 +1,39 @@
+#pragma once
+
+#include <webgpu/webgpu.hpp>
+#include <vector>
+#include <string>
+
+struct Vertex {
+    float position[2];
+    float color[3];
+};
+
+class Waterfall {
+public:
+    Waterfall(wgpu::Device device, float x, float y, float width, float height, const std::string& title);
+    ~Waterfall();
+
+    bool initialize();
+    void update(float time);
+    void render(wgpu::RenderPassEncoder& pass,
+                wgpu::RenderPipeline linePipeline,
+                wgpu::RenderPipeline lineListPipeline,
+                int windowWidth, int windowHeight);
+    void toggleGrid();
+
+private:
+    std::vector<Vertex> generateGridLines();
+    std::vector<Vertex> generateBorder();
+
+    wgpu::Device device_;
+    wgpu::Buffer vertexBuffer_;
+
+    float x_, y_, width_, height_;
+    std::string title_;
+    bool showGrid_;
+
+    std::vector<std::vector<Vertex>> lines_;
+    static constexpr int MAX_LINES = 50;
+    static constexpr int POINTS_PER_LINE = 100;
+};