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Do red giants really look like they do in SpaceEngine?
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| HarbingerDawn | Date: Wednesday, 16.01.2013, 11:06 | Message # 31 |
 Cosmic Curator
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| Quote (apenpaap) grrrrrreeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeennnnn
I know that you all are giddy over the new power you have over font color, but perhaps we could try to keep it along the lines of normal colors for basic text? (Basically I'm your teacher in school saying that if you write with weird colors you'll get a bad grade  )
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| apenpaap | Date: Wednesday, 16.01.2013, 11:16 | Message # 32 |
 World Builder
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Antarctica
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| Well, I can't read the white while writing it. But I realise the bright green is rather annoying, is this one any better?
I
I occasionally stream at http://www.twitch.tv/magistermystax. Sometimes SE, sometimes other games.
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| HarbingerDawn | Date: Wednesday, 16.01.2013, 11:27 | Message # 33 |
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Cosmic Curator
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| Quote (apenpaap) Well, I can't read the white while writing it.
You can use any color you like while typing, and then change back to white when you're finished. It's just odd to have everyone typing in different colors.
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| smjjames | Date: Wednesday, 16.01.2013, 16:39 | Message # 34 |
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World Builder
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| Quote (HarbingerDawn) Quote (apenpaap)
Well, I can't read the white while writing it.
You can use any color you like while typing, and then change back to white when you're finished. It's just odd to have everyone typing in different colors.
It's fixed back the way it was. 
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| apenpaap | Date: Wednesday, 16.01.2013, 16:41 | Message # 35 |
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World Builder
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Antarctica
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| Great; aside from colour troubles that other one just looked really bad with the rest of the site's layout.
I occasionally stream at http://www.twitch.tv/magistermystax. Sometimes SE, sometimes other games.
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| Spyro | Date: Sunday, 03.02.2013, 02:39 | Message # 36 |
 Explorer
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| How do you do colors?
I'm back, but am I here to stay? Hopefully!
Edited by Spyro - Sunday, 03.02.2013, 02:44 |
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| AustinMclEctro | Date: Saturday, 23.03.2013, 22:09 | Message # 37 |
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Space Tourist
Group: Users
Canada
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| Kinda brushing the dust off here, but...
Is it possible for stars to have such dynamics in future updates, as depicted by the animation floating around this topic?
http://youtu.be/hJn-jmL_hyo
It'd be very costing on computer resources to actually simulate this, wouldn't it.
An animation wouldn't as much right, except that's less realistic of course.
Taken at a smaller scale, something like this could accurately represent solar flares and things of the like.
Edit: Taken from SpaceEngineer's TODO list, it's stated that features I mentioned above will be eventually implemented as animations! So I guess I answered my own question.
Edited by AustinMclEctro - Sunday, 24.03.2013, 00:31 |
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| jon3858 | Date: Sunday, 31.03.2013, 19:52 | Message # 38 |
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Observer
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| Maybe not that costly, since assuming the surface is generated with a noise function you can just mix time into the seed generation and it should interpolate smoothly giving you a convective-like effect. The write up of that video somewhere did mention that the movement happened slowly, over a period of months, so you would have to turn the time speed up to notice it though.
I don't really know enough about programming to say whether the above method would be a performance killer or not though.
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| HarbingerDawn | Date: Sunday, 31.03.2013, 20:43 | Message # 39 |
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Cosmic Curator
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| Quote (jon3858) I don't really know enough about programming to say whether the above method would be a performance killer or not though.
If you have it generating different textures and blending them together, then in addition to having to regenerate the world's textures as time goes on you're also having to display two separate maps at once and blend them together. The generation would require GPU power, and storing twice as many textures would eat up twice as much memory. So that's probably not the best way to do it.
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| themohawkninja | Date: Wednesday, 26.06.2013, 02:19 | Message # 40 |
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Space Tourist
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Pirate
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| In Space Engine, when you view a large "giant" type star, it is very distorted, and has very protruded dark spots on it's surface. As I understand it, the fact that they are darker is because they are cooler, because they are cooler, they produce less energy, and because they produce less energy, the gravity of the star should push this cooler matter deeper into the star because there is less energy being produced to counteract the force of gravity, and not farther out from the star. However, the dark spots protrude outwards, why is that?
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| HarbingerDawn | Date: Wednesday, 26.06.2013, 03:15 | Message # 41 |
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Cosmic Curator
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| A simple forum search for "red giant" would lead you to this: http://en.spaceengine.org/forum/22-689-1
As for why the bulges are darker, just think about the dynamics: as the material is pushed outward it becomes more diffuse and cooler, compared to the more compressed and heated material closer to the center, so it gets darker the farther upward it travels, before eventually sinking back into the star.
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Edited by HarbingerDawn - Wednesday, 26.06.2013, 03:19 |
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| themohawkninja | Date: Wednesday, 26.06.2013, 03:38 | Message # 42 |
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Space Tourist
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| Quote ("HarbingerDawn") A simple forum search for "red giant" would lead you to this: http://en.spaceengine.org/forum/22-689-1 As for why the bulges are darker, just think about the dynamics: as the material is pushed outward it becomes more diffuse and cooler, compared to the more compressed and heated material closer to the center, so it gets darker the farther upward it travels, before eventually sinking back into the star.
Ah, thanks for the link and explanation. I looked around for a star thread, as the forum appeared to be formatted via a few large megathreads about things, and I didn't see any. One of the embeded videos in that link showed that dynamic you mentioned. It makes a lot more sense in animation.
Maybe such a dynamic will be implemented some day?
Edited by themohawkninja - Wednesday, 26.06.2013, 04:09 |
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| Watsisname | Date: Wednesday, 26.06.2013, 05:56 | Message # 43 |
 Galaxy Architect
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| Eventually, yes. All known astronomical phenomenon will be represented, within reason.
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| dissembly | Date: Tuesday, 26.11.2013, 00:50 | Message # 44 |
 Observer
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Australia
Messages: 13
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| Hi all,
I couldn't find a thread on this already. I don't have an astrophysics background (just geology), so I was wondering why very massive stars (e.g. Betelgeuse) are modelled with that strange bulging cushiony texture?
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| HarbingerDawn | Date: Tuesday, 26.11.2013, 01:18 | Message # 45 |
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Cosmic Curator
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| http://en.spaceengine.org/forum/22-689-1
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