One way to decide what to do is to change the feature early in beta, see who squawks, and then change it back if necessary. There are two I am looking at for 930.
Glass Instruments
It turns out that glass instruments fade to black, not to transparency. This is a little bit weird, because that means they will leave black footprints if they are on top of a non-black background. My guess is that most people use them on black screens and thus did not notice.
If people really need fade-to-black glass instruments, I'll just create a new lighting type (glass-transparent), but if everyone can live with fading to transparent, it's certainly the more useful case and probably what most people always wanted.
Separate Specular Hilights
For as long as I've been involved, X-Plane's specular hilights are modulated by the object or airplane texture color. In other words, if you paint your airplane red, you get red hilights, and if you paint it black, you get no hilights at all.
This is not a very good way to do things for a few reasons:
- Under this scheme, you can't make a shiny black object.
- Someday we will add gloss maps - but the glossy part of the gloss map will be defeated by the black texture.
Should specular hilights be white for a black object? Yes! A specular hilight is a simulated intense reflection from a very far away, very bright object (the sun). So it should take its color from the sun, not the object itself. To this end, I have also (finally) set the specular hilights to take on the daylight sun color, so that they get fainter and yellowish at dusk. This makes dusk and dawn look a little bit less strange.
(Nerd note: Technically, for the day texture to be an albedo texture, it shouldn't affect specular hilights.)
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