New accretion disk method (WORK IN PROGRESS)

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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Wed Jul 22, 2009 8:13 am

Another one:

Image
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Fri Jul 24, 2009 8:47 am

A new black hole model, all sprites based (fully volumetric effects) :

Image

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Image

Image
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Hungry4info » Sat Jul 25, 2009 5:47 am

That is amazing 8O 8O
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Re: New accretion disk method (WORK IN PROGRESS)

Postby daerokos » Thu Oct 20, 2011 10:14 pm

Ok, here's the ring used around our Sun (just as a test) :

EDIT : And the sprites may even be used as special markers, or even billboards floating always face-on in space. Sadly, the sprite size appears to be limited (can't be bigger than on this picture).
billboard.jpg

[/quote]


so i downloaded your sprites test.zip and i changed the star name in the ssc to the name of my star. i was wondering how you would make it so that the ring would orbit further away from the star. i tried changing the semi-major axis of the #2 thing, but it just extended an orbit with nothing around it. the ring sprites stayed the same distance from Odin. is it impossible?
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Celestial234 » Sun Aug 12, 2012 8:26 am

cham how to you make it? :?
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Mon Feb 25, 2013 9:01 am

Spectacular view from Celestia ! 8) (really need some thick sunglasses here)
redhot5.jpg

redhot4.jpg
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Mon Feb 25, 2013 3:24 pm

I'm using plain opaque non-blurry disks to simulate big rocks. The dust atmosphere is so strong in Celestia (especially while the ring is rotating), I'm tempted to cough...

dust4.jpg

dust5.jpg

dust6.jpg
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Re: New accretion disk method (WORK IN PROGRESS)

Postby fsgregs » Mon Feb 25, 2013 6:33 pm

Cham:

NOW THAT is what we're talking about!!!!!!

beautiful stuff. Very realistic, particularly for simulating a new solar system in the making. Will you be releasing any formal addons using it?

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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Mon Feb 25, 2013 7:47 pm

Frank,

yes, I intend to release that dust ring with its pebbles as a small addon for Fomalhaut. The addon would be very simple : just a single planet, using Fenerit's texture, with a dust/dirt ring. The user could modify the addon to adapt it to his particular needs.

Probably in the next few days, so stay tuned...
Last edited by Cham on Mon Feb 25, 2013 8:19 pm, edited 1 time in total.
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Mon Feb 25, 2013 8:15 pm

I must admit that this thing is getting pretty impressive, live in Celestia. I can hear the stormy noise, with all these rocks flying around (of course, there's no sound in space...).

I added a darker component, for more dramatic effect :
storm1.jpg

storm2.jpg

storm3.jpg
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Fenerit » Mon Feb 25, 2013 8:18 pm

Martin, take a look whether png like below can help in "coughin"... These are easy to do through 3D particles system.

accr.png
accr.png (12.56 KiB) Viewed 436 times
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Cham » Mon Feb 25, 2013 8:24 pm

Fenerit wrote:Martin, take a look whether png like below can help in "coughin"... These are easy to do through 3D particles system.

accr.png


No, this can't be of any help, since sprites have a constant orientation relative to the screen.
Non-spherical "blobs" or non-circular shapes are terrible with the sprites technique.

In other words, ALL individual sprite MUST be a circular shape. This is a limitation of the sprites rendering.

If you use any non-circular shape, the global rendering would be horrible, especially considering the orientation of the light source and the motion of the observer.

EDIT : Massimo, can you do the same kind of lunar texture you have done before (in 4k please), but adding volcanic effects ? Lava cracks and rivers ?
Of course, this implies a night texture, and large height normalmap.
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Fenerit » Mon Feb 25, 2013 8:39 pm

Cham wrote:No, this can't be of any help, since sprites have a constant orientation relative to the screen.
Non-spherical "blobs" or non-circular shapes are terrible with the sprites technique.


Ops! Right, I forgot that.

Cham wrote:EDIT : Massimo, can you do the same kind of lunar texture you have done before (in 4k please), but adding volcanic effects ? Lava cracks and rivers ?
Of course, this implies a night texture, and large height normalmap.


I think yes but I do not remember which lunar: Callisto/Ganymede alike or the Enceladus alike? The Enceladus alike destroy the sight in do it. It impress the retina, an ugly experience. Do you mean lava river?
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Re: New accretion disk method (WORK IN PROGRESS)

Postby Hungry4info » Mon Feb 25, 2013 10:42 pm

Wow that looks amazing!
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Re: New accretion disk method (WORK IN PROGRESS)

Postby olyv » Mon Feb 25, 2013 11:18 pm

Ola,
cham, your last pictures are stunning ! :)
il love them because they are so real...
can you give us a link to download your work (if it's finished) ?
Even before the PC, yeah I see nothing behind ...
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