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+/** CSci-4611 In-Class Example */
+
+#ifndef ANGRY_VECTORS_H_
+#define ANGRY_VECTORS_H_
+
+#include <mingfx.h>
+using namespace mingfx;
+
+#include <string>
+#include <vector>
+
+class AngryVectors : public GraphicsApp {
+public:
+
+ // Creates the App
+ AngryVectors();
+
+ // Cleans up when the App shuts down
+ virtual ~AngryVectors();
+
+ // Note a Run() function is inherited from GraphicsApp, that's what
+ // actually starts up the App.
+
+ // This is a callback, a function that gets called when the user presses
+ // the Pause button in the GUI.
+ void OnPauseBtnPressed();
+
+ // This calculates the bird position given a time value.
+ Point3 CalcBirdPos(double time);
+
+ // This calculates the bird velocity given a time value, this is the routine
+ // we want to check to make sure it is working properly
+ Vector3 CalcBirdVel(double time);
+
+ // This gets called once each frame. Note that dt (a.k.a., "delta time") is
+ // the amount of time (in seconds) that has passed since the last frame.
+ void UpdateSimulation(double dt);
+
+ // This is where we initialize the on-screen GUI, which is implemented using
+ // an open source library called NanoGUI. It gets called once
+ // when the program starts up.
+ void InitNanoGUI();
+
+ // This is where we initialize any OpenGL data, like textures or meshes that
+ // need to be loaded from files and setup in OpenGL. It gets called once
+ // when the program starts up.
+ void InitOpenGL();
+
+ // This gets called once each frame, and this is where you draw the latest
+ // version of your 3D graphics scene.
+ void DrawUsingOpenGL();
+
+
+private:
+
+ // Time of flight for our "bird"
+ float time_;
+
+ // Sets up the computer graphics camera
+ Matrix4 view_matrix_;
+ Matrix4 proj_matrix_;
+
+ // A helper class for drawing some simple shapes (cubes, spheres, 3D arrows)
+ QuickShapes quick_shapes_;
+
+ // Gui elements
+ nanogui::Button *pauseBtn_;
+ bool playing_;
+};
+
+#endif \ No newline at end of file