virtual void processNode(int nodeSubPart, int nodeTriangleIndex)
		{
			btVector3 m_triangle[3];
			const unsigned char *vertexbase;
			int numverts;
			PHY_ScalarType type;
			int stride;
			const unsigned char *indexbase;
			int indexstride;
			int numfaces;
			PHY_ScalarType indicestype;

			m_meshInterface->getLockedReadOnlyVertexIndexBase(
				&vertexbase,
				numverts,
				type,
				stride,
				&indexbase,
				indexstride,
				numfaces,
				indicestype,
				nodeSubPart);

			unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride);
			btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT);
	
			const btVector3& meshScaling = m_meshInterface->getScaling();
			for (int j=2;j>=0;j--)
			{
				int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j];

				if (type == PHY_FLOAT)
				{
					float* graphicsbase = (float*)(vertexbase+graphicsindex*stride);

					m_triangle[j] = btVector3(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());		
				}
				else
				{
					double* graphicsbase = (double*)(vertexbase+graphicsindex*stride);
					
					m_triangle[j] = btVector3(btScalar(graphicsbase[0])*meshScaling.getX(),btScalar(graphicsbase[1])*meshScaling.getY(),btScalar(graphicsbase[2])*meshScaling.getZ());		
				}
			}

			/* Perform ray vs. triangle collision here */
			m_callback->processTriangle(m_triangle,nodeSubPart,nodeTriangleIndex);
			m_meshInterface->unLockReadOnlyVertexBase(nodeSubPart);
		}