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

examples/CommonInterfaces/CommonGUIHelperInterface.h

@@ -0,0 +1,108 @@
+#ifndef GUI_HELPER_INTERFACE_H
+#define GUI_HELPER_INTERFACE_H
+
+
+class btRigidBody;
+class btVector3;
+class btCollisionObject;
+class btDiscreteDynamicsWorld;
+class btCollisionShape;
+struct Common2dCanvasInterface;
+struct CommonParameterInterface;
+struct CommonRenderInterface;
+struct CommonGraphicsApp;
+
+///The Bullet 2 GraphicsPhysicsBridge let's the graphics engine create graphics representation and synchronize
+struct GUIHelperInterface
+{
+	virtual ~GUIHelperInterface() {}
+
+	virtual void createRigidBodyGraphicsObject(btRigidBody* body,const btVector3& color) = 0;
+
+	virtual void createCollisionObjectGraphicsObject(btCollisionObject* obj,const btVector3& color) = 0;
+
+	virtual void createCollisionShapeGraphicsObject(btCollisionShape* collisionShape)=0;
+
+	virtual void syncPhysicsToGraphics(const btDiscreteDynamicsWorld* rbWorld)=0;
+
+	virtual void createPhysicsDebugDrawer( btDiscreteDynamicsWorld* rbWorld)=0;
+
+	virtual int registerGraphicsShape(const float* vertices, int numvertices, const int* indices, int numIndices) =0;
+
+	virtual int registerGraphicsInstance(int shapeIndex, const float* position, const float* quaternion, const float* color, const float* scaling) =0;
+
+	virtual Common2dCanvasInterface* get2dCanvasInterface()=0;
+	
+	virtual CommonParameterInterface* getParameterInterface()=0;
+
+	virtual CommonRenderInterface* getRenderInterface()=0;
+
+	virtual CommonGraphicsApp* getAppInterface()=0;
+
+	virtual void setUpAxis(int axis)=0;
+
+	virtual void autogenerateGraphicsObjects(btDiscreteDynamicsWorld* rbWorld) =0;
+	
+	virtual void drawText3D( const char* txt, float posX, float posZY, float posZ, float size)=0;
+
+
+};
+
+
+///the DummyGUIHelper does nothing, so we can test the examples without GUI/graphics (in 'console mode')
+struct DummyGUIHelper : public GUIHelperInterface
+{
+	DummyGUIHelper() {}
+	virtual ~DummyGUIHelper() {}
+
+	virtual void createRigidBodyGraphicsObject(btRigidBody* body,const btVector3& color){}
+
+	virtual void createCollisionObjectGraphicsObject(btCollisionObject* obj,const btVector3& color) {}
+
+	virtual void createCollisionShapeGraphicsObject(btCollisionShape* collisionShape){}
+
+	virtual void syncPhysicsToGraphics(const btDiscreteDynamicsWorld* rbWorld){}
+
+	virtual void createPhysicsDebugDrawer( btDiscreteDynamicsWorld* rbWorld){}
+
+	virtual int registerGraphicsShape(const float* vertices, int numvertices, const int* indices, int numIndices) { return -1; }
+
+	virtual int registerGraphicsInstance(int shapeIndex, const float* position, const float* quaternion, const float* color, const float* scaling) { return -1;}
+
+	virtual Common2dCanvasInterface* get2dCanvasInterface()
+	{
+		return 0;
+	}
+	
+	virtual CommonParameterInterface* getParameterInterface()
+	{
+		return 0;
+	}
+
+	virtual CommonRenderInterface* getRenderInterface()
+	{
+		return 0;
+	}
+	
+	virtual CommonGraphicsApp* getAppInterface()
+	{
+		return 0;
+	}
+
+
+	virtual void setUpAxis(int axis)
+	{
+	}
+
+	virtual void autogenerateGraphicsObjects(btDiscreteDynamicsWorld* rbWorld) 
+	{
+	}
+    
+	virtual void drawText3D( const char* txt, float posX, float posZY, float posZ, float size)
+	{
+	}
+	
+};
+
+#endif //GUI_HELPER_INTERFACE_H
+