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

Chapter 4 - Geometric Objects / Geometric Objects Reference

Geometric Objects Routines / Creating and Editing Triangles

Q3Triangle_SetVertexPosition

You can use the Q3Triangle_SetVertexPosition function to set the position of a vertex of a triangle.

TQ3Status Q3Triangle_SetVertexPosition (
TQ3GeometryObject triangle, 
unsigned long index, 
const TQ3Point3D *point);

triangle

A triangle.

index

An index into the vertices array of the specified triangle. This parameter should have the value 0, 1, or 2.

point

The desired position of the specified vertex.

DESCRIPTION

The Q3Triangle_SetVertexPosition function sets the position of the vertex having the index specified by the index parameter in the vertices array of the triangle specified by the triangle parameter to that specified in the point parameter.