updated demos -> ALT + mouse uses Maya-style controls, replaced BMF_Fonts by GLDebugFont

fix debug drawing of btMultiSphereShape
added box2d demo
added experimental gpu 2d demo

Demos/Gpu2dDemo/oecakeLoader.h

@@ -0,0 +1,35 @@
+
+#ifndef OE_CAKE_LOADER_H
+#define OE_CAKE_LOADER_H
+
+#include "btBulletDynamicsCommon.h"
+
+
+class BasicOECakeReader
+{
+	int	m_materialType;
+	int	m_particleObjectIndex;
+	int	m_particleColor;
+	btAlignedObjectArray<btVector3>	m_particlePositions;
+	btAlignedObjectArray<btScalar>	m_particleRadii;
+
+	void addParticle(int materialType, int pIndex, int pColor, float pPosX, float pPosY, float radius=1);
+
+	virtual	void	addNewCollisionShape(int numParticles, btVector3* particlePositions, btScalar* radii, int materialType, int objectIndex,int color );
+
+	int processLine(char * buffer, int size);
+
+	void	convertParticleGroup();
+
+public:
+
+	BasicOECakeReader()
+	{
+	}
+
+	bool processFile(char * fileName);
+
+	virtual void createBodyForCompoundShape(btCompoundShape* compound,bool addConstraint,const btTransform& worldTransform, btScalar mass) = 0;	
+	
+};
+#endif //OE_CAKE_LOADER_H