On 6/4/2010 12:02 PM, Alain wrote:
> If the light is non-fading, there is no need to scale it's parameters
> other than it's distance.
>
> If you use an area_light, you need to adjust it's size relative to it's
> distance if you want to keep the same penumbrae. Scale the size by the
> same value as the distance.
>
> Whenever you have a fading light_source, you can scale the fading using
> fade_distance.
> Another option is to change the intensity of the light itself.
>
> With fade_power 2, if you put the light twice farther, you can ether
> double the fade_distance and keep the same intensity OR quadruple the
> intensity and keep the same fade_distance.
>
> NEVER use multiple coincident lights. It uselessly increase the
> rendering time.
>
>
>
> Alain


I don't think the light uses fade_distance, thanks.

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http://isometricland.com

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