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Gravitational Trajectory Algorithms

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ChipperNickel is not online. ChipperNickel
Joined: 04 Jan 2009
Total Posts: 10446
31 Aug 2013 11:19 PM
Is it possible? I have been working on a game for quite some time now, and it's a space simulator. A space flight simulator with missions and such. Anyways, it's got gravity, or the best that I could get gravity into the game. The orbits are more railed, but manuevers and what not are calculated on the fly. Could ROBLOX handle something like this in a multiplayer setting with a trajectory plotter/planner thing that shows where you are expected to go? It's kind of like Kerbal Space Program, if you're familiar with that game.
Here's a trailer of the game, btw.

http://youtu.be/oeH1Rcqz2rI
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noobertuber is not online. noobertuber
Joined: 16 Jan 2007
Total Posts: 2321
01 Sep 2013 12:02 AM
Whether or not Roblox can handle it depends on how you implement it and how much data must be processed. Presumably, you would use ray casting and Euler's method with rather large increments to facilitate rapid calculation. Try varying the increment size based on the time it takes to calculate everything at a given point. It might be efficient, given a sufficiently high number of bricks in your game, to write your own ray casting which would only check for collisions with planets. It wouldn't even need to find the point of intersection: only that there is one. In the end, however, the best way to know whether it is possible is to try it.

-God Bless-
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Tenal is not online. Tenal
Joined: 15 May 2011
Total Posts: 18684
01 Sep 2013 12:13 AM
chippernickel omg
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RaceToTheBottom is not online. RaceToTheBottom
Joined: 27 Jul 2013
Total Posts: 169
01 Sep 2013 03:33 AM
[ Content Deleted ]
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bohdan77 is not online. bohdan77
Joined: 10 Aug 2008
Total Posts: 7944
01 Sep 2013 09:00 AM
@RaceToTheBottom,

I don't like your bows, The string goes so much further then is possible. It's annoying, I can't play your game with it. :/
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kirkyturky12 is not online. kirkyturky12
Joined: 30 Apr 2010
Total Posts: 1915
01 Sep 2013 10:00 AM
http://www.roblox.com/Galaxy-Wars-Under-construction-place?id=55703461
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awsumpwner27 is not online. awsumpwner27
Joined: 03 Sep 2011
Total Posts: 4389
01 Sep 2013 10:08 AM
Hey, ChipperNickel, welcome back.
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