[jitter] Re: Re: depth message wouldn't resolve trails ?

On Wed, Apr 2, 2008 at 5:14 PM, Tobias Rosenberger <
tobiasrosenberger at hotmail.com> wrote:

>
> thanks for that hint, wes' shader seems to be very useful for my achieved
> effect. i am just curious why the textobject and only the textobject (also
> true for 3dtext) blurs, even if it is not moved during render_erase at 0..
>

Yeah sorry I didn't even pay attention to that apparently, when I saw what
you we're trying to do. I just had another look at it, and strangely enough
the text doesn't change on my computer. Not one bit. And you're right, it
shouldn't in this situation I think. Weird thing is on my computer the text
is blurred always. It looks like its drawn twice, with 2 pixel offset in x
and y direction. That might just be because I'm on a dodgy computer at the
moment. (windows xp+ firegl3100)

It you want to draw things in 2D with pixel accurate positions, have a look
at orthographic projection. You can set up the render context so that you
draw things at pixel positions. It could make your life more easy. Just a
thought.

My only guess would be that, because you're drawing things in default opengl
coordinates, your text position suffers from rounding errors somehow, and
that would explain the blurring. But that's just a wild guess really.

Thijs
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