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

Chapter 8 - Light Objects / Light Objects Reference

Light Objects Routines / Managing Lights

Q3Light_GetBrightness

You can use the Q3Light_GetBrightness function to get the current brightness of a light.

TQ3Status Q3Light_GetBrightness (
TQ3LightObject light, 
float *brightness);

light

A light object.

brightness

On exit, the current brightness of the specified light.

DESCRIPTION

The Q3Light_GetBrightness function returns, in the brightness parameter, a value that indicates the current brightness of the light specified by the light parameter. The value should be between 0.0 and 1.0, inclusive.

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