Inside Macintosh: 3D Graphics Programming With QuickDraw 3D /

Chapter 4 - Geometric Objects / Geometric Objects Reference

Geometric Objects Routines / Traversing Mesh Components, Vertices, Faces, and Edges

Q3Mesh_NextVertexVertex

You can use the Q3Mesh_NextVertexVertex function to get the next vertex connected to a vertex by an edge, in a counterclockwise order.

TQ3MeshVertex Q3Mesh_NextVertexVertex (TQ3MeshIterator *iterator);

iterator

A pointer to a mesh iterator structure.

DESCRIPTION

The Q3Mesh_NextVertexVertex function returns, as its function result, the next vertex counterclockwise in the iteration specified by the iterator parameter, which must have been filled in by a previous call to Q3Mesh_FirstVertexVertex or Q3Mesh_NextVertexVertex. If there are no more vertices, this function returns NULL.