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Work progress 0.9.7.1
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| Drawnin | Date: Tuesday, 11.06.2013, 21:52 | Message # 61 |
 Space Tourist
Group: Users
Spain
Messages: 37
Status: Offline
| Quote city lights for earth/bio luminescence should be implemented for the sake of having that feature in the engine... partially illuminated planets.
Agreed. That should be useful for developing new add-on ships too (windows, engine lights...)
Intel Core i7-3770 - 3.40 GHz @ 8 Gb RAM @ nVidia GeForce GTX 570 1280 Mb
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| SpaceEngineer | Date: Wednesday, 12.06.2013, 11:34 | Message # 62 |
 Author of Space Engine
Group: Administrators
Russian Federation
Messages: 4800
Status: Offline
| Quote (smjjames) Fixed a "boring planets" bug and "deserted terra with life" bug
This is a bug that many terras have boring monochrome texture (usually sand snow... well, it is another bug, already fixed (all textures are snow textures)). This is true for desert and icy/titan planets with dense atmosphere. Climate smoothed out and becomes deserted on entire planetary surface.
Quote (Drawnin) Agreed. That should be useful for developing new add-on ships too (windows, engine lights...)
Ships does not uses planetary texturing functions and shaders, they have their own. So implementing ships light is a different task than for planetary lights. The hard thing with lights (at least with ship lights) that they must be true lights rather than simple texture - they must illuminate other objects. To implement this, I must change rendering pipeline to 'deferred shading', and this is a lot of work.
BTW, there must be 2 sorts of lights - shining constantly (lava) and shining only at night time (cities, bio-luminescence). So it is 2 additional texture layers for planets - it will double the consumed video memory.
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| Voekoevaka | Date: Wednesday, 12.06.2013, 12:03 | Message # 63 |
 World Builder
Group: SE team
France
Messages: 1016
Status: Offline
| Quote (SpaceEngineer) It will double the consumed video memory.
So, according to Moore's law, we have to wait 1.5 year to have this feature with the actual speed of SE.
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| HarbingerDawn | Date: Wednesday, 12.06.2013, 12:05 | Message # 64 |
 Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| Quote (SpaceEngineer) The hard thing with lights (at least with ship lights) that they must be true lights rather than simple texture - they must illuminate other objects.
I don't think that this must be necessary. Why not simply make support for emissive textures without needing them to illuminate objects? This would look good and probably be much easier to code. It could be used as a temporary solution until a more complex method is implemented.
I know that many users, including myself, would be thrilled to have this. The lack of any sort of lights on SE ships is a major drawback in their appearance, alongside the lack of proper antialiasing.
Quote (Voekoevaka) So, according to Moore's law, we have to wait 1.5 year to have this feature with the actual speed of SE.
However there are limitations in the way SE can use memory due to it being a 32-bit app, so there will be a point beyond which no more memory could be used.
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Edited by HarbingerDawn - Wednesday, 12.06.2013, 12:11 |
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| Drawnin | Date: Wednesday, 12.06.2013, 13:10 | Message # 65 |
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Space Tourist
Group: Users
Spain
Messages: 37
Status: Offline
| Quote Why not simply make support for emissive textures without needing them to illuminate objects? This would look good and probably be much easier to code. It could be used as a temporary solution until a more complex method is implemented.
That's exactly what I had in mind. =)
Intel Core i7-3770 - 3.40 GHz @ 8 Gb RAM @ nVidia GeForce GTX 570 1280 Mb
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| werdnaforever | Date: Wednesday, 12.06.2013, 14:30 | Message # 66 |
 World Builder
Group: Users
Pirate
Messages: 897
Status: Offline
| Quote (HarbingerDawn) However there are limitations in the way SE can use memory due to it being a 32-bit app, so there will be a point beyond which no more memory could be used.
(advantages of 64 bit apps)
Quote (SpaceEngineer) shining constantly (lava)
I have to consider the question... how bright would lava really appear from space?
Quote (HarbingerDawn) Why not simply make support for emissive textures without needing them to illuminate objects?
Yes! I second this
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| DoctorOfSpace | Date: Wednesday, 12.06.2013, 14:47 | Message # 67 |
 Galaxy Architect
Group: Global Moderators
Pirate
Messages: 3600
Status: Offline
| Quote (werdnaforever) how bright would lava really appear from space?
That seems like it would really depend on how much lava there is and how spread out it is across the surface.
Quote (HarbingerDawn) Why not simply make support for emissive textures without needing them to illuminate objects?
I too think this should be done
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Edited by DoctorOfSpace - Wednesday, 12.06.2013, 14:49 |
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| apenpaap | Date: Wednesday, 12.06.2013, 15:29 | Message # 68 |
 World Builder
Group: Users
Antarctica
Messages: 1063
Status: Offline
| And how hot the lava is, presumably. Does lava glow like a general black body, like a star?
I occasionally stream at http://www.twitch.tv/magistermystax. Sometimes SE, sometimes other games.
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| HarbingerDawn | Date: Wednesday, 12.06.2013, 15:40 | Message # 69 |
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Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| Quote (apenpaap) And how hot the lava is, presumably.
Don't forget how illuminated the planet is by its sun. Once a good autoexposure system is implemented this will be a critical factor.
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My SE mods and addons
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| smjjames | Date: Wednesday, 12.06.2013, 20:36 | Message # 70 |
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World Builder
Group: Users
United States
Messages: 913
Status: Offline
| Quote (HarbingerDawn) Quote (apenpaap)
And how hot the lava is, presumably.
Don't forget how illuminated the planet is by its sun. Once a good autoexposure system is implemented this will be a critical factor.
Yeah, then we can get protoplanets which are partially molten and worlds undergoing high tidal forces (Io for example) into SE.
As far as getting a good autoexposure, I wish that the autoexposure would lower the brightness of very bright planets (the sunlit side of any planet close to its primary for example) or at least pretend that the viewer put on some sunglasses or the equivalent. I just find it odd that the autoexposure works for stars, but not bright surfaces. Though we'd have to make sure it doesn't auto exposure surfaces that aren't bright and if it's near a bright star, that's another thing entirely.
Disclaimer: I know nothing about photography, so I might be wrong on how it would work. I also don't know how it actually should look and I am aware of differing albedos and stellar luminosity.
Edited by smjjames - Wednesday, 12.06.2013, 20:47 |
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| Dwarden | Date: Friday, 14.06.2013, 05:51 | Message # 71 |
 Astronaut
Group: SE team
Czech Republic
Messages: 63
Status: Offline
| i agree, emissive textures are good feature and workaround for time being until more complex lighting engine
Ideas are like ocean w/o borders! https://twitter.com/FoltynD
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| midtskogen | Date: Friday, 14.06.2013, 09:08 | Message # 72 |
 Star Engineer
Group: Users
Norway
Messages: 1674
Status: Offline
| I would imagine the typical lava planet being grey on the dayside and the nightside would be near black or glowing depending on the autoexposure setting a bit like aurora. It would of course depend a lot on whether the surface is totally liquid or not. If the planet has a significant atmosphere, the surface wouldn't cool enough to form a solid crust, but a thick atmosphere would easily hide the surface in clouds anyway.
Most lava flows on Earth are unimpressive in daylight and appear dark, but after darkness falls the same flows appear spectacular.
NIL DIFFICILE VOLENTI
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| HarbingerDawn | Date: Friday, 14.06.2013, 13:37 | Message # 73 |
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Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| Quote (midtskogen) but a thick atmosphere would easily hide the surface in clouds anyway.
SE has a toggle clouds option. Anyway, we're just talking about the surface texture here, which has to behave a certain way regardless of whether you can see it at all times or not.
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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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| Joey_Penguin | Date: Friday, 14.06.2013, 17:40 | Message # 74 |
 Pioneer
Group: Users
United States
Messages: 311
Status: Offline
| Quote I would imagine the typical lava planet being grey on the dayside and the nightside would be near black or glowing
Wouldn't it be the other way around, with the day side being molten under the sun and the night side being cold enough to be solid and rock-colored?
Lava planets are high on my wishlist.
Careful. The PLATT Collective has spurs.
Edited by Joey_Penguin - Friday, 14.06.2013, 17:43 |
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| DoctorOfSpace | Date: Friday, 14.06.2013, 17:48 | Message # 75 |
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Galaxy Architect
Group: Global Moderators
Pirate
Messages: 3600
Status: Offline
| Quote (Joey_Penguin) with the day side being molten under the sun and the night side being cold enough to be solid and rock-colored?
That would be if the planet were not highly geologically active and simply in close proximity to it's parent star. However there would still be worlds where geologic activity is extremely high and the crust is constantly reshaping itself and during night it would not cool down that fast.
Intel Core i7-5820K 4.2GHz 6-Core Processor
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