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

Chapter 4 - Geometric Objects / Geometric Objects Reference

Geometric Objects Routines / Creating and Editing Polylines

Q3PolyLine_SetVertexPosition

You can use the Q3PolyLine_SetVertexPosition function to set the position of a vertex of a polyline.

TQ3Status Q3PolyLine_SetVertexPosition (
TQ3GeometryObject polyLine, 
unsigned long index, 
const TQ3Point3D *position);

polyLine

A polyline.

index

An index into the vertices array of the specified polyline.

position

The desired position of the specified vertex.

DESCRIPTION

The Q3PolyLine_SetVertexPosition function sets the position of a vertex to that specified in the position parameter. The vertex has the index specified by the index parameter into the vertices array of the polyline specified by the polyLine parameter.