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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' (173 KB)
Preview of image 'space simple.jpg'
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"Tek" <tek### [at] evilsuperbrain com> 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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"Tek" <tek### [at] evilsuperbraincom> 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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