added stuff idk

src/waterfall.h

@@ -13,13 +13,20 @@ namespace ImGui {
         void draw();
         void pushFFT(std::vector<float> data, int n);
 
+        float centerFrequency;
+        float bandWidth;
+        float range;
+
     private:
         void drawWaterfall(ImGuiWindow* window, int width, int height, ImVec2 pos);
+        void drawFFT(ImGuiWindow* window, int width, int height, ImVec2 pos);
 
         std::vector<std::vector<float>> fftBuffer;
         bool newSamples;
         std::mutex buf_mtx;
         GLuint textureId;
         uint8_t* pixelBuffer;
+
+        
     };
 };