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DarkBASIC Professional Discussion / Is this the way it supposed to be?

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Mr_Insane
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Joined: 14th Nov 2002
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Posted: 3rd Jun 2003 01:28
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ok i'm using a flight simulator code example, i loaded my ship in.. everything like the ship thrusts correctly where its pointing andeverything etc..

and now the question to ask. when my ships on the horizontal view, the ship yaws when using the left and right arrow keys.. but when the ships facing up or down, the ship rolls when its using arrow keys..

is this normal??
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Dr DooMer
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Joined: 22nd Dec 2002
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Posted: 3rd Jun 2003 03:38 Edited at: 3rd Jun 2003 03:38
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Not really for a flight simulator, that's more of the movement system for an FPS.

What's happening is that your left and right keys are rotating the object around the world Y axis, regardless of what the objects' X and Z angles are. To make it turn on it's local axis is a little more difficult, as you've got a few problems to contend with - gimbal lock for one.

"I am a living, thinking entity who was created in the sea of information."
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Mr_Insane
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Posted: 3rd Jun 2003 05:45
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that kinda sucks.. I doubt any space combat has that kind of movement.. I wondering if theres any example source code for free flight example for DB pro.. the the freeflight made in DBV1 don't work with DbPro...

so it doesn't matter if it has real phsyics or not..

I was very disappointed when I say the ship rolling instead of turning when it was on the Y axis.
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Dr DooMer
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Posted: 3rd Jun 2003 05:57
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I haven't written any myself, not only because I haven't needed to, but also because I don't know how! Although, if you're using the free flight commands that are built into DBPro, it may be due to some bugs - I remember having rotation bugs regarding the Y axis myself.

If you want to write your own code for free flight, you'll probably need to know how to use rotation matrices or quarternions, neither of which I've explored much.

"I am a living, thinking entity who was created in the sea of information."
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