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Forum » SpaceEngine » Archive » Work progress 0.9.7.1
Work progress 0.9.7.1
Joey_PenguinDate: Saturday, 13.07.2013, 01:11 | Message # 151
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And if it doesn't have planets?




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HarbingerDawnDate: Saturday, 13.07.2013, 02:14 | Message # 152
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Quote (SpaceEngineer)
"Star system" may mean galaxy, star cluster or multiple star

I have never seen star system used to mean any of those other things, except one time in the 1978 Battlestar Galactica, where star system was sometimes used to mean galaxy.

neutronium76 is correct, it would be appropriate to change it to "system".

Quote (SpaceEngineer)
I prefer to say "Planetary system"

"Planetary system" and "star system" are not interchangeable, they mean different things. It is possible to have multiple planetary systems within one star system (by having planets that orbit many different suns and barycenters).

For example, Alpha Centauri is one star system, but the planets systems around Alf Cen B and Alf Cen C (if one exists) would be in separate planetary systems.





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midtskogenDate: Saturday, 13.07.2013, 08:49 | Message # 153
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I prefer "system" as well, though it might be a bit odd for lone stars.




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HarbingerDawnDate: Saturday, 13.07.2013, 09:19 | Message # 154
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Quote (midtskogen)
it might be a bit odd for lone stars.

It still applies, I think. The term "star system", while technically referring to a system of stars, can also be thought of as the system of objects and interactions governed by the gravitational influence of a star (or stars, in the case of a multi-star system). In the case of single-star systems (e.g. the Sol system), the terms "star system" and "planetary system" will mean nearly the same thing, except that the former would include the system's sun and would also still apply if no planetary system existed.

And before anyone brings it up, I acknowledge again that this is technically not the definition of the term. I simply submit it as a valid and more relevant alternative meaning (and one which I think will probably become dominant in the future as usage of the term evolves away from its technical origins and towards practical usage).





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SpaceEngineerDate: Saturday, 13.07.2013, 14:08 | Message # 155
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Quote (HarbingerDawn)
I have never seen star system used to mean any of those other things

This is a common practice in Russian.





 
neutronium76Date: Saturday, 13.07.2013, 17:28 | Message # 156
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Quote (SpaceEngineer)
This is a common practice in Russian


Well then, we can have a bit of both to satisfy both Russian and International users: In Russian localization Space Engineer's naming system will be used, but in English (at least) localization, the above suggestion can be used smile





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midtskogenDate: Saturday, 13.07.2013, 21:41 | Message # 157
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Quote (HarbingerDawn)
It still applies, I think. The term "star system", while technically referring to a system of stars, can also be thought of as the system of objects and interactions governed by the gravitational influence of a star (or stars, in the case of a multi-star system). In the case of single-star systems (e.g. the Sol system), the terms "star system" and "planetary system" will mean nearly the same thing, except that the former would include the system's sun and would also still apply if no planetary system existed.

If only "system" is used, it doesn't really specify anything. It's left to the context, which is obvious enough. The system could then include stars, planets and smaller bodies. But if there only is a single star with no planets or anything significant orbiting, calling it a "system" would be a stretch, but language is not perfect. If we break up the Greek word into its roots, it means something like "something set up together", "organised together". "Together" ("sy(n)-") implies some plurality.





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HarbingerDawnDate: Saturday, 13.07.2013, 23:23 | Message # 158
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Quote (midtskogen)
If we break up the Greek word into its roots

You seem to be opposed to the idea of languages and the usage of their words evolving. Not everything has to mean exactly the same thing it originally did, nor is it practical. Sometimes words evolve away from their original meanings or develop split definitions as a matter of practical necessity.

Quote (SpaceEngineer)
This is a common practice in Russian.

Quote (neutronium76)
but in English (at least) localization, the above suggestion can be used

Exactly. The meaning of a term in one language should not constrict how an equivalent term is used in another language smile

Quote (midtskogen)
If only "system" is used, it doesn't really specify anything. It's left to the context, which is obvious enough.

Yes, I'm also in favor of leaving it simply as "system", for the sake of brevity.





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Gondor2222Date: Sunday, 14.07.2013, 01:38 | Message # 159
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Can someone explain why the "intergalactic range" tag is unnecessary? A trip to the Sextans A dwarf galaxy at the edge of our local troup covers 85 times the distance as a trip from the sun to the milky way's core, and the distance to the nearest cluster besides our own is about 1000 times the distance between the sun and the milky way's core- wouldn't these be much harder to reach for a ship than a nearby star?
 
HarbingerDawnDate: Sunday, 14.07.2013, 01:46 | Message # 160
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Quote (Gondor2222)
Can someone explain why the "intergalactic range" tag is unnecessary?

SpaceEngineer already explained it: in the context of the SE game, any ship which is capable of interstellar flight (i.e. has a hyperdrive) is also equally capable of intergalactic flight, simply as a consequence of how the hyperdrive works. As for how it works, you'll have to search around the forum for more on that (I think in the mothership concept thread).





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Joey_PenguinDate: Sunday, 14.07.2013, 21:39 | Message # 161
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What if there was a feature in Map Mode to exaggerate planet sizes in order to visualize the structure of the stellar system? Like so:
$IMAGE1$





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HarbingerDawnDate: Monday, 15.07.2013, 01:44 | Message # 162
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Quote (Joey_Penguin)
What if there was a feature in Map Mode to exaggerate planet sizes in order to visualize the structure of the stellar system?

You should probably post things like this in the General Suggestions thread.





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SpaceEngineerDate: Monday, 15.07.2013, 22:38 | Message # 163
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I've made experiments with a logarithmic depth buffer. Results is pretty cool, but there is a lot of work to do. On these screenshots I used astronaut and Discovery model from Doc's 2001 ships pack. Their sizes are real, not exaggerated as Doc originally made. No near plane clipping and no z-fighting.









This will be not enabled in next patch by default, because full supporting of a log Z-buffer requires a lot of changes in the engine. There are two ways of using logarithmic Z-buffer: in a vertex shader and in a pixel shader. First gives artifacts on close or long triangles - their Z value interpolated incorrectly (perspectively). The second method fixes that, but kills FPS to almost zero: SpaceEngine have a huge overdraw on planets, so disabling fast Z test (that required for this method) makes complex planetary surface shader with atmospheric effect to apply to huge amount of pixels.

Anyway, I plan implement a deferred shading pipeline in SpaceEngine, and logarithmic Z-buffer is a first step to it. Deferred pipeline have a lot of benefits: fast Z-pass (that will speedup logarithmic Z buffer in a pixel shader), atmosphere as a post effect (that will speedup it a lot, because there will be no overdraw, and apply it to a planetary surface and ships that are in the atmosphere simultaneously), hundreds of lights (requires for ships at first place), proper lens flare occlusion, and many other.

Attachments: 9825234.jpg(393Kb) · 2133255.jpg(276Kb) · 4386868.jpg(251Kb) · 9450118.jpg(250Kb)





 
DwardenDate: Tuesday, 16.07.2013, 00:11 | Message # 164
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that's pretty awesome result ...




Ideas are like ocean w/o borders! https://twitter.com/FoltynD
 
AerospacefagDate: Tuesday, 16.07.2013, 00:32 | Message # 165
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Does this also mean it is possible now to increase terrain quality and add more details?
 
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