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FSXA Ground polygons night lighting method

Devinci

Devinci

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454
Country
senegal
Hello,
Code:
I see in many scenery that night lighting are made by using a night texture on the ground polys with an effect on the light pole. It may be hard to understand but here is the issue you should have by doing it that way.
-First of all ground polys are made by using multiple layers (base, markings, cracks, dirt, etc). So if you apply the night texture on the base layer only it's not gonna look good. The other layer on top will not have a night texture.
-If you tried adding a top layer which will only have the night texture with 100% alpha for the day, it makes the texture white. I think the night texture alpha channel or transparency is also used for the day texture alpha channel.
-Another method that would work is to use a single layer with the texture having all the layers together and make a unique night texture. That's going to be hard to do for a big airport and you cannot use over 4096x4096 textures to have all the details on the ground.

For now what I do is to cut out the area where the light would reach on the apron an make it "sub-section" of the apron with it's own day texture that will tile nicely with the rest of the apron but will have a night texture at night. This is not good as there will be a clear transition from the two different portions of the apron at night.

So how do you make your aprons night lighting?

Regards,
 
hcornea said:
Using a "novel" additive Framebuffer blend, similar to what is described here:

http://www.fsdeveloper.com/forum/showthread.php?t=19286&highlight=Learning+Field

There are limitations ... but it is the ONLY way I know to adequately illuminate lofted taxilines.
Click to expand...

I tried that method before using multiple polygons that form the light "envelope" from the light pole to the ground. But at daylight there was some issues with the object located behind those polys. Maybe I should have only used them parallel to the ground as to only get the "light splash" effect on the ground. It was nice though as the light would illuminate certain objects.
 
Devinci said:
..... Maybe I should have only used them parallel to the ground as to only get the "light splash" effect on the ground..... .
Click to expand...

The cone of light was something I could not get to work. Planes above the surface is the go.
 
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