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

Chapter 15 - Pick Objects / Pick Objects Reference

Pick Objects Routines / Managing Pick Objects

Q3Pick_GetVertexTolerance

You can use the Q3Pick_GetVertexTolerance function to get the current vertex tolerance of a pick object.

TQ3Status Q3Pick_GetVertexTolerance (
TQ3PickObject pick, 
float *vertexTolerance);

pick

A pick object.

vertexTolerance

On exit, the current vertex tolerance of the specified pick object.

DESCRIPTION

The Q3Pick_GetVertexTolerance function returns, in the vertexTolerance parameter, the current vertex tolerance of the pick object specified by the pick parameter. If the specified pick object does not support a vertex tolerance, Q3Pick_GetVertexTolerance generates an error.