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"Tek" <tek### [at] evilsuperbrain com> wrote in message
news:463bf0e5@news.povray.org...
>
> comments? questions?
Very nice.
I'm not sure about the distortion ring. To me it looks like the black hold
is surrounded by a torus of glass. The other effects are really cool.
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"Thomas de Groot" <t.d### [at] internlDOTnet> wrote:
> "Tek" <tek### [at] evilsuperbraincom> schreef in bericht
> news:463bf0e5@news.povray.org...
> >I seem to be suffering a bit of creative drought.
>
> Really?? :-)
quick! Someone hijacked Tek's news.povray.org account! :))
way cool, Tek! Of course, a real black hole doesn't actually sucks things
ordinarily orbiting them safely away from the event horizon, but still...
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Mmm, I like it.
The ship itself seems a bit bland, but the rest of the image is really
quite good.
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Well the sucking effect is created using a funny shaped lens, but as far as
I know it's impossible to make a lens that will rotate things...
Although maybe if I stick a radial normal on there... hmm...
--
Tek
http://evilsuperbrain.com
"Thomas de Groot" <t.d### [at] internlDOTnet> wrote in message
news:463c363b$1@news.povray.org...
>
> "Tek" <tek### [at] evilsuperbraincom> schreef in bericht
> news:463bf0e5@news.povray.org...
>>I seem to be suffering a bit of creative drought.
>
> Really?? :-)
>
>> Uh... anyway... The cool black hole effect is achieved with a refractive
>> object shaped so that it has no refraction at the edges when viewed from
>> the camera's point of view, effectively making it a 2D distortion. I then
>> use several such objects at different distances to create the event
>> horizon, the "sucking" effect, and the smaller distortion on the ship.
>
> I am not sure I understand the technical part, but it is very clever
> nonetheless.
> To make it even better: black holes spin usually, dragging light with
> them. Could you simulate that distortion too?
>
> Thomas
>
>
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"Gail Shaw" <initialsurname@sentech sa dot com> wrote in message
news:463c3ab8@news.povray.org...
> I'm not sure about the distortion ring. To me it looks like the black hold
> is surrounded by a torus of glass. The other effects are really cool.
It's actually more of a cone shape, but it is very much a glass-like
material. I'll work on it a bit more to make it less obvious...
--
Tek
http://evilsuperbrain.com
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Tek nous apporta ses lumieres en ce 05-05-2007 07:42:
> Well the sucking effect is created using a funny shaped lens, but as far as
> I know it's impossible to make a lens that will rotate things...
> Although maybe if I stick a radial normal on there... hmm...
>
You may have a look at spiral normals, it's more evocative of a rotation.
--
Alain
-------------------------------------------------
Destroy the Borg? Upload Windows 95 !
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The ship seems to be sitting awfully close to the event horizon.
It would probably need to orbit at relativistic speeds itself ;)
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Swirly effect! I added a radial normal to my distortion effect, which is
ramped up towards the middle of the effect to things get swirled more the
closer they get.
--
Tek
http://evilsuperbrain.com
"Tek" <tek### [at] evilsuperbraincom> wrote in message
news:463bf0e5@news.povray.org...
>I seem to be suffering a bit of creative drought.
>
> I had no idea what to POV next, but when I saw Gail Shaw's post I thought
> "ooh I'd like to do a space ship!", then I saw Skip Talbot's post and
> thought "ooh I'd like to fake a nebula in 2D on the sky_sphere". So in
> addition to ripping off their ideas I also decided to rip off the films
> 2001
> and Sphere. The only slightly original idea here was the black hole,
> though
> it's no coincidence that the idea occured after I saw the current 3Drtc
> topic: "the black cloak".
>
> Uh... anyway... The cool black hole effect is achieved with a refractive
> object shaped so that it has no refraction at the edges when viewed from
> the
> camera's point of view, effectively making it a 2D distortion. I then use
> several such objects at different distances to create the event horizon,
> the
> "sucking" effect, and the smaller distortion on the ship.
>
> Other than that it's all CSG on the spaceship, and the nebula, stars, and
> sun are just a layered pigment on the sky_sphere.
>
> comments? questions?
> --
> Tek
> http://evilsuperbrain.com
>
>
>
Post a reply to this message
Attachments:
Download 'space simple.jpg' (283 KB)
Preview of image 'space simple.jpg'
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Mmm... that ship *is* too close to the event horizon! ;-)
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Orchid XP v3 nous apporta ses lumieres en ce 2007-05-06 09:21:
> Mmm... that ship *is* too close to the event horizon! ;-)
In space, it's extremely hard to corectly evaluate distances. The black hole may
be at a somewhat safe distance...
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