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Work progress 0.97
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| Fireinthehole- | Date: Wednesday, 10.04.2013, 21:42 | Message # 841 |
 Pioneer
Group: Translators
Sweden
Messages: 365
Status: Offline
| Quote (anonymousgamer) It would be cool to see cloud shadows in the future, though.
Indeed it would! I really miss it while watching the Earth from close range. 
Love Space Engine!
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| Destructor1701 | Date: Thursday, 11.04.2013, 01:11 | Message # 842 |
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Pioneer
Group: Users
Ireland
Messages: 533
Status: Offline
| I had never thought about it until now. It'd add a nice, "cheap" bit of dynamism to the landscapes of SE.
Something like that doesn't have to be too computationally expensive, right?
It doesn't have to be ray-traced, or dynamically shadow-mapped, it can be approximated with just a projection of the cloud texture onto the surface texture as a subtractive layer, or something. That's probably how Celestia did it, right?
Knowing Space Engineer, it's definitely already on the list.
Edited by Destructor1701 - Thursday, 11.04.2013, 01:13 |
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| NovaSilisko | Date: Thursday, 11.04.2013, 01:12 | Message # 843 |
 Explorer
Group: SE team
United States
Messages: 288
Status: Offline
| I'm envisioning a similar method to how the ring shadows work.
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| HarbingerDawn | Date: Thursday, 11.04.2013, 04:32 | Message # 844 |
 Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| Huh, I never noticed that SE didn't have cloud shadows. Weird, even Celestia has them.
Quote (anonymousgamer) To answer your question directly: currently, no they don't.
It threw me off because he asked about ring shadows, not cloud shadows, but then changed direction and described cloud shadows and not ring shadows. So I just answered the question that he asked most clearly.
All forum users, please read this!
My SE mods and addons
Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
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| SpaceEngineer | Date: Thursday, 11.04.2013, 17:47 | Message # 845 |
 Author of Space Engine
Group: Administrators
Russian Federation
Messages: 4800
Status: Offline
| Quote (Destructor1701) It doesn't have to be ray-traced, or dynamically shadow-mapped, it can be approximated with just a projection of the cloud texture onto the surface texture as a subtractive layer, or something. That's probably how Celestia did it, right
It sounds easy, but in reality it is not easy. Each planet in SE have a lot of textures (200-300 at ground level), mapped on a square-shaped tiles of landscape. Clouds layers uses the same technique. So it is impossible to make "just a projection" - each cloud tile may project on many landscape tiles, and each landscape tile may recieve shadow from many cloud tiles. So easiest way is to implement usual shadow mapping.
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| Destructor1701 | Date: Thursday, 11.04.2013, 23:21 | Message # 846 |
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Pioneer
Group: Users
Ireland
Messages: 533
Status: Offline
| Oh! Wow... does that mean that you intend to do it?
Or would it be too tempting to 'kill two birds with one stone', and implement landscape shadowing - and possibly drive up the computational load too much?
EDIT
Quote (HarbingerDawn) It threw me off because he asked about ring shadows, not cloud shadows, but then changed direction and described cloud shadows and not ring shadows. So I just answered the question that he asked most clearly.
Yes, my wording was a little ambiguous, sorry about that. I was actually asking if the technique used currently to cast ring shadows would work with the different cloud-belt textures.
Thinking about it further (and with a clearer head), I imagine that the ring shadows are not mapped at all, but rather take their cue from the density variations in the ring algorithm's output for the planet in question - drawing bands of darkness along the appropriate path on cloud, atmosphere, and landscape models.
Edited by Destructor1701 - Thursday, 11.04.2013, 23:48 |
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| DoctorOfSpace | Date: Friday, 12.04.2013, 03:50 | Message # 847 |
 Galaxy Architect
Group: Global Moderators
Pirate
Messages: 3600
Status: Offline
| Quote (Destructor1701) Oh! Wow... does that mean that you intend to do it?
Or would it be too tempting to 'kill two birds with one stone', and implement landscape shadowing - and possibly drive up the computational load too much?
Its been mentioned that whatever exists in real astronomy will be implemented so I assume that stuff would be added eventually. I doubt it would be too heavy on resources if 64 bit support is eventually added, plenty of modern games do far more things at once.
Intel Core i7-5820K 4.2GHz 6-Core Processor
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| HarbingerDawn | Date: Saturday, 13.04.2013, 12:04 | Message # 848 |
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Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| [Discussion about 64-bit support moved to here]
All forum users, please read this!
My SE mods and addons
Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
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| SpaceEngineer | Date: Tuesday, 16.04.2013, 14:33 | Message # 849 |
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Author of Space Engine
Group: Administrators
Russian Federation
Messages: 4800
Status: Offline
| Translated names of all named stars (in Russian), made via built-in wiki database:
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| Billy_Mayes | Date: Tuesday, 16.04.2013, 16:19 | Message # 850 |
 Pioneer
Group: Users
Finland
Messages: 485
Status: Offline
| Quote (SpaceEngineer) Translated names of all named stars (in Russian), made via built-in wiki database:
You're just making us more exited for the update 
AMD Phenom II X4 955 3.2 GHz Quad-Core - AMD Radeon HD 6950 2GB VRAM - 4GB RAM - 1680x1050 75 Hz Samsung screen
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| Fireinthehole- | Date: Tuesday, 16.04.2013, 23:02 | Message # 851 |
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Pioneer
Group: Translators
Sweden
Messages: 365
Status: Offline
| Haha this really puts all kind of patience in a hard test! 
Love Space Engine!
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| werdnaforever | Date: Wednesday, 17.04.2013, 03:19 | Message # 852 |
 World Builder
Group: Users
Pirate
Messages: 897
Status: Offline
| When we name our own star's we'll be able to have them labeled too, right?
You could find a remote planet a few megaparsecs away and imagine your own civilization there; you could pick stars out from that planet's pov and name them as if you were an inhabitant looking up at the stars.
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| SpaceEngineer | Date: Wednesday, 17.04.2013, 09:01 | Message # 853 |
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Author of Space Engine
Group: Administrators
Russian Federation
Messages: 4800
Status: Offline
| Quote (werdnaforever) You could find a remote planet a few megaparsecs away and imagine your own civilization there; you could pick stars out from that planet's pov and name them as if you were an inhabitant looking up at the stars.
Yes, of course.
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| NovaSilisko | Date: Wednesday, 17.04.2013, 09:03 | Message # 854 |
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Explorer
Group: SE team
United States
Messages: 288
Status: Offline
| It would be really fun if we could draw lines between stars to make our own constellations, too, or define them in scripts.
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| HarbingerDawn | Date: Wednesday, 17.04.2013, 10:06 | Message # 855 |
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Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| Quote (NovaSilisko) It would be really fun if we could draw lines between stars to make our own constellations, too, or define them in scripts.
This has been suggested many times, and it probably won't happen soon.
All forum users, please read this!
My SE mods and addons
Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
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