"sam kim" <nomail@nomail> wrote:

> light_source {<30,96,50> White}
> light_source {<30,49,50> White}

The standard model for lights is not physical since it does not take into
account that light intensity fades with the square of distance.  To fix the
problem, I changed it to:

light_source {<30,96,50> White fade_power 2 fade_distance 30}
light_source {<30,49,50> White fade_power 2 fade_distance 30}

although you can certainly change the distance.  By the time the light gets to
the lower floor it has faded, but still illuminates the top floor.

 - Ricky

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