add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/OpenGLWindow/MacOpenGLWindow.h

@@ -0,0 +1,105 @@
+#ifndef MAC_OPENGL_WINDOW_H
+#define MAC_OPENGL_WINDOW_H
+
+#include "b3gWindowInterface.h"
+
+#define b3gDefaultOpenGLWindow MacOpenGLWindow
+
+class MacOpenGLWindow : public b3gWindowInterface
+{
+    struct MacOpenGLWindowInternalData* m_internalData;
+    float m_mouseX;
+    float m_mouseY;
+   int m_modifierFlags;
+   
+    b3MouseButtonCallback m_mouseButtonCallback;
+    b3MouseMoveCallback m_mouseMoveCallback;
+    b3WheelCallback m_wheelCallback;
+    b3KeyboardCallback m_keyboardCallback;
+	b3RenderCallback m_renderCallback;
+	
+    float m_retinaScaleFactor;
+public:
+    
+    MacOpenGLWindow();
+    virtual ~MacOpenGLWindow();
+    
+    void init(int width, int height, const char* windowTitle);
+
+    void closeWindow();
+    
+    void startRendering();
+    
+    void endRendering();//swap buffers
+    
+  	virtual bool	requestedExit() const;
+
+	virtual	void	setRequestExit();
+    
+    void getMouseCoordinates(int& x, int& y);
+    
+    void runMainLoop();
+    
+    void setMouseButtonCallback(b3MouseButtonCallback	mouseCallback)
+    {
+        m_mouseButtonCallback = mouseCallback;
+    }
+
+    void setMouseMoveCallback(b3MouseMoveCallback	mouseCallback)
+    {
+        m_mouseMoveCallback = mouseCallback;
+    }
+    
+    void setResizeCallback(b3ResizeCallback resizeCallback);
+    
+	void setKeyboardCallback( b3KeyboardCallback	keyboardCallback)
+    {
+        m_keyboardCallback = keyboardCallback;
+    }
+
+	virtual b3MouseMoveCallback getMouseMoveCallback()
+	{
+		return m_mouseMoveCallback;
+	}
+	virtual b3MouseButtonCallback getMouseButtonCallback()
+	{
+		return m_mouseButtonCallback;
+	}
+	virtual b3ResizeCallback getResizeCallback();
+	virtual b3WheelCallback getWheelCallback()
+	{
+		return m_wheelCallback;
+	}
+
+    b3KeyboardCallback getKeyboardCallback()
+	{
+		return m_keyboardCallback;
+	}
+    
+	void setWheelCallback (b3WheelCallback wheelCallback)
+    {
+        m_wheelCallback = wheelCallback;
+    }
+
+    float getRetinaScale() const
+    {
+        return m_retinaScaleFactor;
+    }
+	
+	virtual	void	createWindow(const b3gWindowConstructionInfo& ci);
+	
+	virtual	float	getTimeInSeconds();
+	
+
+	
+	virtual void setRenderCallback( b3RenderCallback renderCallback);
+	
+	virtual void setWindowTitle(const char* title);
+
+    int fileOpenDialog(char* filename, int maxNameLength);
+
+};
+
+
+#endif
+