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  Orbital mechanics = Keplers!  (Read 4870 times)
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Offline Roquen

JGO Kernel


Medals: 518



« Posted 2015-03-17 12:25:54 »

You know how when anyone says anything about orbital mechanics how I reply with one word:  Keplers?

More on the subject by someone much smarter than me:

https://johncarlosbaez.wordpress.com/2015/03/17/planets_in_the_4th_dimension/
Offline Drenius
« Reply #1 - Posted 2015-03-17 16:23:46 »

This is interesting, haven't heard of it...
Still, what's your point?
Offline BurntPizza

« JGO Bitwise Duke »


Medals: 486
Exp: 7 years



« Reply #2 - Posted 2015-03-17 16:56:38 »

Still, what's your point?

To be informative? Does it require another reason?
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Offline Drenius
« Reply #3 - Posted 2015-03-17 17:20:35 »

To be informative? Does it require another reason?
Nope. Just curious.  Smiley
Offline kingroka123
« Reply #4 - Posted 2015-03-17 21:10:42 »

I actually tried to simulate orbital gravity in the past by creating a grid with different gravitational values and objects would move to the tile with the greatest grid value. It actually turned out pretty good but sometimes orbits would flip and all large bodies had the tendancy to move to the upper left unprovoked. Still really interesting experiment.
Offline Roquen

JGO Kernel


Medals: 518



« Reply #5 - Posted 2015-03-18 04:10:33 »

My point is that Kepler's is good enough for modeling of orbital mechanics for serious applications.  So if you're writing game code that's more complex...you're doing it wrong.
Offline Icecore
« Reply #6 - Posted 2015-03-18 08:21:22 »

https://johncarlosbaez.wordpress.com/2015/03/17/planets_in_the_4th_dimension/

In fact, they’re moving in circles in 4 dimensions.

Some time ago i wrote article about physical 4D and more dimensions spaces movement.
http://www.java-gaming.org/index.php?topic=29604.0

So technical planets that moves in 4 Dimensions is wrong (or we can’t see that ^^)
(with planets interact 4 different forces is ok)

All others formulas looks ok (because I don’t understand what they talking about XD)

Last known State: Reassembled in Cyberspace
End Transmission....
..
.
Journey began Now)
Offline Roquen

JGO Kernel


Medals: 518



« Reply #7 - Posted 2015-03-18 08:24:52 »

Anytime "dimensions" comes up in conversation, I respond with the one-liner:  Don't confuse spatial dimensions with the number of dimensions in the vector space.

The latter >= the former.
Offline Gibbo3771

JGO Kernel


Medals: 128
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Currently inactive on forums :(


« Reply #8 - Posted 2015-03-18 12:01:47 »

You're famous for 1 liners. You are either a very good wingman or a very bad one.

"This code works flawlessly first time and exactly how I wanted it"
Said no programmer ever
Offline ii8

Junior Devvie


Medals: 1
Exp: 3 years



« Reply #9 - Posted 2015-03-18 12:51:40 »

Wow! My head...  Huh
So interesting!
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Offline Roquen

JGO Kernel


Medals: 518



« Reply #10 - Posted 2015-03-18 13:31:37 »

Come on, Kids, do some of that pilot shit!
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