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

Chapter 8 - Light Objects / Light Objects Reference

Light Objects Routines / Managing Spot Lights

Q3SpotLight_SetHotAngle

You can use the Q3SpotLight_SetHotAngle function to set the hot angle of a spot light.

TQ3Status Q3SpotLight_SetHotAngle (
TQ3LightObject light, 
float hotAngle);

light

A spot light object.

hotAngle

The desired hot angle of the specified light, in radians.

DESCRIPTION

The Q3SpotLight_SetHotAngle function sets the hot angle of the spot light specified by the light parameter to the value passed in the hotAngle parameter.