Q3Light_GetBrightness (IM: QD3D)

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.