internal static extern void dGeomTriMeshDataBuildDouble1( dTriMeshDataID g, DataHandle Vertices, int VertexStride, int VertexCount, DataHandle Indices, int IndexCount, int TriStride, DataHandle Normals);
internal static extern void dGeomTriMeshDataBuildSimple1( dTriMeshDataID g, DataHandle Vertices, int VertexCount, DataHandle Indices, int IndexCount, DataHandle Normals);
internal static extern void dGeomTriMeshDataBuildSingle( dTriMeshDataID g, DataHandle Vertices, int VertexStride, int VertexCount, DataHandle Indices, int IndexCount, int TriStride);