Hi M,

Well yes, you're right. The outside edge of the shadow should get larger, 
albeit fractionally.
But what I was attempting to replicate was the light that refracts around the 
object makes the shadow Appear smaller, like you also said.
The alternative I guess, would be to make the transparent value increase with 
altitude.

The viewpoint I was addressing, was from a fixed viewpoint, like the tower.

Stewart

Melchior FRANZ wrote:
> * Stewart Andreason -- Saturday 10 March 2007:
>> When I added shadows to the 3 craft I have, I found it nicer to
>> have the shadow shrink as altitude increases.
> 
> Err ... but they don't in real life. They just *look* smaller
> when they are farther away, just like in FlightGear already.
> (Theoretically, they should even get bigger, but you'd need 
> to be at a very high altitude -- let's say a few million km.  :-)
> 
> m.


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