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

Chapter 8 - Light Objects / Light Objects Reference

Light Objects Routines / Managing Spot Lights

Q3SpotLight_GetFallOff

You can use the Q3SpotLight_GetFallOff function to get the fall-off value of a spot light.

TQ3Status Q3SpotLight_GetFallOff (
TQ3LightObject light, 
TQ3FallOffType *fallOff);

light

A spot light object.

fallOff

On exit, the fall-off value of the specified spot light. See "Light Fall-Off Values" on page 8-10 for a description of the constants that can be returned in this parameter.

DESCRIPTION

The Q3SpotLight_GetFallOff function returns, in the fallOff parameter, the current fall-off value of the spot light specified by the light parameter.