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

Chapter 4 - Geometric Objects / Geometric Objects Reference

Geometric Objects Routines / Creating and Editing Triangles

Q3Triangle_GetVertexAttributeSet

You can use the Q3Triangle_GetVertexAttributeSet function to get the attribute set of a vertex of a triangle.

TQ3Status Q3Triangle_GetVertexAttributeSet (
TQ3GeometryObject triangle, 
unsigned long index, 
TQ3AttributeSet *attributeSet);

triangle

A triangle.

index

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

attributeSet

On exit, a pointer to a vertex attribute set for the specified vertex.

DESCRIPTION

The Q3Triangle_GetVertexAttributeSet function returns, in the attributeSet parameter, the set of attributes for the vertex having the index specified by the index parameter in the vertices array of the triangle specified by the triangle parameter. The reference count of the set is incremented.