Am Mon, 12 Apr 2010 14:24:34 -0800 schrieb Gustavo Sverzut Barbieri:
> On Mon, Apr 12, 2010 at 2:04 PM, Andreas Volz <[email protected]>
> wrote:
> > Hello,
> >
> > I've read this on the E website:
> >
> > -------
> > Evas not only does quality rendering and compositing, but also can
> > scale, rotate and fully 3D transform objects, allowing for
> > sought-after 3D effects in your interfaces. It supplies these
> > abilities in both software and OpenGL rendering, so you are never
> > caught with unexpected loss of features. The software rendering is
> > even fast enough to provide the 3D without any acceleration on
> > devices for simple uses. -------
> >
> > Could someone explain what is meant with this? I've not yet seen
> > any 3D support in Evas. Except to pre-render an 3D animation and
> > simply display all image frames. But this isn't 3D support. :-)
>
> Come on to Evas 2010 ;-) Actually, even Edje supports it. You can see
> examples in expedite "Map" tests or
> http://www.rasterman.com/files/map.edc for a stand-alone Edje file. I
> guess Elementary also ships with a test.
>
> Map is not really 3d, is just 2d manipulation of shapes according to
> an output grid. This grid can give the effect of perspective, rotation
> and as it takes vertices colors, it can do light/shadow effects, as
> helped by various Evas/Edje high-level calls.
>
> http://www.youtube.com/watch?v=edLTo61dIgA
> http://www.youtube.com/watch?v=6tuVSkrdjiE
>
> Evas is quite low-level and does the basics. More complex shapes like
> spheres and meshes that composes full-bodies like a game character
> should be done elsewhere, like an smart object that loads
> 3d-studio/maya/blender3d output files and build them from triangles
> with individual transformations. This is also the same for more
> complex shapes like circles and ellipses, that should be made into
> polygons (but no-one ever wrote these, probably lack of
> requirement/time/interest).
>
> Note that the current Evas implementation does not account for the "z"
> hint and lacks the fixes to make it really look like 3d, then you have
> some distortion. This is to be fixed when time allows (according to
> Rasterman).
This is really great! I'm very near at the EFL development, but missed
any news or blog entries about the 3D support. Even not on the
website, this was the reason why I asked here.
We should really do better public relations about such great features.
Without knowledge about this nobody could use them. :-(
regards
Andreas
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