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diff --git a/dev/rays/example.h b/dev/rays/example.h
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+/** CSci-4611 In-Class Example */
+
+#ifndef EXAMPLE_H_
+#define EXAMPLE_H_
+
+#include <mingfx.h>
+using namespace mingfx;
+
+#include <string>
+#include <vector>
+
+class Example : public GraphicsApp {
+public:
+  
+    // Creates the App
+    Example();
+    
+    // Cleans up when the App shuts down
+    virtual ~Example();
+    
+    // Note a Run() function is inherited from GraphicsApp, that's what
+    // actually starts up the App.
+    
+    void OnLeftMouseDown(const Point2& pos);
+    void OnLeftMouseDrag(const Point2& pos, const Vector2& delta);
+    void OnLeftMouseUp(const Point2& pos);
+
+    void OnRightMouseDrag(const Point2& pos, const Vector2& delta);
+
+    // 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 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:
+    
+    // This implements something like the camera controls in minecraft.  You can
+    // walk around using the arrow keys or ASWZ keys.  You can also move your
+    // head to look around by dragging with the right mouse button.  Internally,
+    // the camera creates a view matrix.
+    CraftCam cam_;
+    Matrix4 proj_matrix_;
+    
+    // A helper class for drawing some simple shapes (cubes, spheres, 3D arrows)
+    QuickShapes quick_shapes_;
+ 
+    // A list of paths to search for data files (images and shaders)
+    std::vector<std::string> search_path_;
+   
+    Texture2D dart_tex_;
+ };
+
+#endif
+\ No newline at end of file