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

Chapter 4 - Geometric Objects / Geometric Objects Reference

Geometric Objects Routines / Creating and Editing Meshes

Q3Mesh_GetComponentNumVertices

You can use the Q3Mesh_GetComponentNumVertices function to determine the number of vertices in a component of a mesh.

TQ3Status Q3Mesh_GetComponentNumVertices (
TQ3GeometryObject mesh, 
TQ3MeshComponent component, 
unsigned long *numVertices);

mesh

A mesh.

component

A mesh component.

numVertices

On exit, the number of vertices in the specified mesh component.

DESCRIPTION

The Q3Mesh_GetComponentNumVertices function returns, in the numVertices parameter, the number of vertices in the mesh component specified by the mesh and component parameters.

SPECIAL CONSIDERATIONS

The Q3Mesh_GetComponentNumVertices function might not accurately report the number of vertices in a mesh component if called while mesh updating is delayed (that is, after a call to Q3Mesh_DelayUpdates but before the matching call to Q3Mesh_ResumeUpdates).