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Newcomers DBPro Corner / Bearing equation

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Social Disease
20
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Joined: 30th Sep 2003
Location: State of Confusion, beyond Denial...
Posted: 1st Oct 2003 14:24
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Hello all.
Different post, different problem.
Can somebody out there who is better than me at math share how to determine an object's bearing? What I mean by this is object2 at 90 degrees 100 degrees or 180 degrees from object1?
I'm looking for a simple equation, if it exists.
thanks!

So many games... so little time!
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IanM
Retired Moderator
22
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Joined: 11th Sep 2002
Location: In my moon base
Posted: 1st Oct 2003 15:35
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It's actually fairly simple ...



That will give you:
a bearing of 0 for 100,100 looking at 100,0
a bearing of -45 for 100,100 looking at 0,0
a bearing of +45 for 100,100 looking at 200,0

If you need a slightly different system of bearings, you can switch the subtractions around (maybe to match sprite rotation etc).
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Social Disease
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Posted: 1st Oct 2003 18:29
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Thanx!


So many games... so little time!
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koshi
21
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Joined: 20th Aug 2003
Location: Cyberspace
Posted: 4th Oct 2003 04:25
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eh.. i had the same problem before, but i took like 3 days trying to figure out a equation for it. waste of time.
anyways thanks for the help too, much shorter than the equation.

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