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

Chapter 20 - QuickDraw 3D Mathematical Utilities / QuickDraw 3D Mathematical Utilities Reference

QuickDraw 3D Mathematical Utilities / Determining the Lengths of Vectors

Q3Vector3D_Length

You can use the Q3Vector3D_Length function to determine the length of a three-dimensional vector.

float Q3Vector3D_Length (const TQ3Vector3D *vector3D);

vector3D

A three-dimensional vector.

DESCRIPTION

The Q3Vector3D_Length function returns, as its function result, the length of the vector vector3D.