Re: [Flightgear-devel] San Mateo Bridge

2003-07-10 Thread Jorge Van Hemelryck
On Fri, 27 Jun 2003 17:04:44 -0500
"Curtis L. Olson" <[EMAIL PROTECTED]> wrote:

> 
> A neat effect I saw once in one of those big full motion sims was to
> model a mirror image of the night lighting below the bridge so it
> showed up looking like the bridge lights reflected off the water.
> Given that our water is a hard surface, that might be hard for us to
> do currently, but it would be interesting to try to think of a way to
> make this work ... maybe draw the water surface first with depth
> buffering off
> 

Actually, what they use where I work is a mirror image of the whole
scenery (quite a few objects), at least the part that is situated near
water (rivers, lakes, sea), so that everything is reflected. The water
texture is drawn with some transparency. I don't have any details about
how that can de done, though.

-- 
Jorge Van Hemelryck

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Re: [Flightgear-devel] San Mateo Bridge

2003-06-28 Thread Christian Mayer
Curtis L. Olson schrieb:
Frederic Bouvier writes:
This bridge is now in CVS. Look here :

http://perso.wanadoo.fr/frbouvi/flightsim/fgfs-a320-landing.png

For those that are not tracking CVS closely, the A320 is also
in CVS
A neat effect I saw once in one of those big full motion sims was to
model a mirror image of the night lighting below the bridge so it
showed up looking like the bridge lights reflected off the water.
Given that our water is a hard surface, that might be hard for us to
do currently, but it would be interesting to try to think of a way to
make this work ... maybe draw the water surface first with depth
buffering off
I might be talking nonsense here, but chouldn't we draw the lights 
first. As they are drwan we draw to the stencil buffer as well.
And then we draw the water with activated stencil buffer, so that the 
water won't overwrite the lights (but z-Buffer drawing must be enabled...)

CU,
Christian
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re: [Flightgear-devel] San Mateo Bridge

2003-06-27 Thread David Megginson
Frederic Bouvier writes:

 > This bridge is now in CVS. Look here :
 > 
 > http://perso.wanadoo.fr/frbouvi/flightsim/fgfs-a320-landing.png
 > 
 > For those that are not tracking CVS closely, the A320 is also
 > in CVS

Extremely nice -- thanks.


All the best,


David

-- 
David Megginson, [EMAIL PROTECTED], http://www.megginson.com/

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Re: [Flightgear-devel] San Mateo Bridge

2003-06-27 Thread Curtis L. Olson
Frederic Bouvier writes:
> This bridge is now in CVS. Look here :
> 
> http://perso.wanadoo.fr/frbouvi/flightsim/fgfs-a320-landing.png
> 
> For those that are not tracking CVS closely, the A320 is also
> in CVS

A neat effect I saw once in one of those big full motion sims was to
model a mirror image of the night lighting below the bridge so it
showed up looking like the bridge lights reflected off the water.
Given that our water is a hard surface, that might be hard for us to
do currently, but it would be interesting to try to think of a way to
make this work ... maybe draw the water surface first with depth
buffering off

Curt. 
-- 
Curtis Olson   IVLab / HumanFIRST Program   FlightGear Project
Twin Citiescurt 'at' me.umn.edu curt 'at' flightgear.org
Minnesota  http://www.menet.umn.edu/~curt   http://www.flightgear.org

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[Flightgear-devel] San Mateo Bridge

2003-06-27 Thread Frederic Bouvier
This bridge is now in CVS. Look here :

http://perso.wanadoo.fr/frbouvi/flightsim/fgfs-a320-landing.png

For those that are not tracking CVS closely, the A320 is also
in CVS

-Fred



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