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

Chapter 8 - Light Objects / Light Objects Reference

Light Objects Routines / Managing Spot Lights

Q3SpotLight_SetDirection

You can use the Q3SpotLight_SetDirection function to set the direction of a spot light.

TQ3Status Q3SpotLight_SetDirection (
TQ3LightObject light, 
const TQ3Vector3D *direction);

light

A spot light object.

direction

The desired direction of the specified light.

DESCRIPTION

The Q3SpotLight_SetDirection function sets the direction of the spot light specified by the light parameter to the value passed in the direction parameter.