first step in refactoring/cleaning up demos

Demos/OpenGL/DemoApplication.h

@@ -0,0 +1,170 @@
+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef DEMO_APPLICATION_H
+#define DEMO_APPLICATION_H
+
+
+#ifdef WIN32//for glut.h
+#include <windows.h>
+#endif
+
+//think different
+#if defined(__APPLE__) && !defined (VMDMESA)
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#include <GLUT/glut.h>
+#else
+#include <GL/glut.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+
+#include "SimdVector3.h"
+#include "SimdMatrix3x3.h"
+#include "SimdTransform.h"
+
+class CcdPhysicsEnvironment;
+class CcdPhysicsController;
+class CollisionShape;
+
+
+class DemoApplication
+{
+	
+	protected:
+		
+
+	///this is the most important class
+	CcdPhysicsEnvironment* m_physicsEnvironmentPtr;
+	
+
+	float	m_cameraDistance;
+	int	m_debugMode;
+	
+	float m_ele;
+	float m_azi;
+	SimdVector3 m_cameraPosition;
+	SimdVector3 m_cameraTargetPosition;//look at
+
+	float m_scaleBottom;
+	float m_scaleFactor;
+	SimdVector3 m_cameraUp;
+	int	m_forwardAxis;
+
+	int m_glutScreenWidth;
+	int m_glutScreenHeight;
+
+	float	m_ShootBoxInitialSpeed;
+	
+	bool	m_stepping;
+	bool m_singleStep;
+	bool m_idle;
+	int m_lastKey;
+	
+	public:
+		
+	DemoApplication();
+	
+	virtual ~DemoApplication();
+
+	
+	int		getDebugMode()
+	{
+		return m_debugMode ;
+	}
+	
+	void	setDebugMode(int mode)
+	{
+		m_debugMode = mode;
+	}
+
+	CcdPhysicsEnvironment*	GetPhysicsEnvironment()
+	{
+		return m_physicsEnvironmentPtr;
+	}
+	
+	void	setCameraUp(const SimdVector3& camUp)
+	{
+		m_cameraUp = camUp;
+	}
+	void	setCameraForwardAxis(int axis)
+	{
+		m_forwardAxis = axis;
+	}
+
+	void myinit();
+
+	void toggleIdle();
+	
+	virtual void updateCamera();
+
+	SimdVector3	getCameraPosition()
+	{
+		return m_cameraPosition;
+	}
+	SimdVector3	getCameraTargetPosition()
+	{
+		return m_cameraTargetPosition;
+	}
+
+
+	///glut callbacks
+				
+	float	getCameraDistance();
+	void	setCameraDistance(float dist);	
+	void	moveAndDisplay();
+
+	virtual void clientMoveAndDisplay() = 0;
+
+	virtual void	clientResetScene() =0 ;
+
+	///Demo functions
+	void	shootBox(const SimdVector3& destination);
+
+	SimdVector3	GetRayTo(int x,int y);
+
+	CcdPhysicsController*  LocalCreatePhysicsObject(bool isDynamic, float mass, const SimdTransform& startTransform,CollisionShape* shape);
+
+	///callback methods by glut	
+
+	virtual void keyboardCallback(unsigned char key, int x, int y);
+
+	virtual void specialKeyboard(int key, int x, int y);
+
+	virtual void reshape(int w, int h);
+
+	virtual void mouseFunc(int button, int state, int x, int y);
+
+	virtual void	mouseMotionFunc(int x,int y);
+	
+	virtual void displayCallback();
+
+	virtual 	void renderme();
+
+
+	void stepLeft();
+	void stepRight();
+	void stepFront();
+	void stepBack();
+	void zoomIn();
+	void zoomOut();
+
+};
+
+#endif //DEMO_APPLICATION_H