What are volumetric clouds?
These are 3D clouds that are intended to replace the 2D clouds of xEnviro. Most weather addons rely on 2D 'billboards,' orientating to be perpendicular to the camera view, that contain either photo-textures or noise-generated textures that get drawn in as clouds. Some common problems of 2D clouds include:
Clouds directly below are difficult to orientate/texture correctly. Volumetric clouds solve this
Lack of variation of textures. From 1.08 upwards, clouds are noise-generated, eliminating the need for textures and offering far more variation
Lighting is difficult to get right on a 2D object that may not necessarily be facing the sun due to its shape and position. Volumetric clouds, as shown below, can capture the light and scatter it realistically due to its 3D nature, which also offers the potential for more realistic cloud shadows
Flying through 2D clouds relies on temporary fog effects to give the illusion of flying through 3D clouds. Volumetric clouds, being 3D, eliminate the need for the fog effect because the clouds themselves are the fog effect, in essence!
Volumetric clouds also offer the possibility of more accurate environmental effect, such as precipitation
Will the performance be better?
You'd think changing over to 3D objects as opposed to 2D billboards would significantly decrease frame rate. Not with xEnviro 1.10. The atmosphere rendering algorithm has been split into three separate calculations, as 1.08 and 1.09's atmosphere drew ten fps alone in one single calculation. Add to the fact that volumetric clouds actually give better performance than 2D clouds, and preliminary indications show a total reduction of just five fps. This reduction will vary from system to system, and is likely to change as time progresses.
Will xEnviro 1.10 support Virtual Reality (VR)?
No. xEnviro has never supported VR. Any version that does work in VR for you was by chance, not intentionally. VR support will be added at a later date, however.
What current bugs will be fixed?
There's no guarantee these will all be fixed, but it has been addressed at least once: jagged edges on scenery; cockpit horizon issues (zoom unknown); cloud shadows above clouds; the turbulence slider; airport scenery lights.
Will night lighting reflections be added back in 1.10?
Unlikely. But they are going back in at some point.
No. It's ready when it's ready. You know what happened last time when we pestered for a release... 1.08 was the WIP result, but everyone took it to be final.
See http://www.xenviro.net/work.php for more information.
DEVELOPER POST LINK : https://forums.x-plane.org/index.php?/forums/topic/151077-110-work-in-progress-previews/
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