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DarkBASIC Professional Discussion / Vertice moving?

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DB PROgrammer
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Posted: 17th Sep 2007 20:20
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I have been messing around with the vertexdata commands and moving around vertices. The problem is when I move a vertex on the model only one moves and the other one stays. How would I get both vertices to move.

I keep runing nowhere fast!
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Green Gandalf
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Playing: Malevolence:Sword of Ahkranox, Skyrim, Civ6.
Posted: 17th Sep 2007 20:29
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You can move them all independently. What code are you using? We can only guess at what you've done otherwise.
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DB PROgrammer
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Posted: 17th Sep 2007 20:34
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You mean you can't mind read, Aww. Srry hear is the code.



I am trying to move the ones that are right next to egother so that the object has no gaps.

I keep runing nowhere fast!
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spooky
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Posted: 17th Sep 2007 20:50
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Each triangle is its own entity, so a plain is basically 2 seperate triangles. So to move one of the corners you have to move 2 vertices. In your example, vertex 1 is in same place as vertex 3.



Boo!
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DB PROgrammer
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Posted: 17th Sep 2007 23:34
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I know but on a complicated object how would I find out what vertices are in the same position.

I keep runing nowhere fast!
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Green Gandalf
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Posted: 18th Sep 2007 01:22
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Good question.

Depends what you know about your object. A simple method (which might not be very efficient) would be to search through all the vertices to see which ones match the one you want to move.

If you are going to do this many times on an object with many vertices, it would be much more efficient to prepare a master list of unique vertices at the beginning of your program and find out which object vertices match each unique vertex.
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IanM
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Posted: 18th Sep 2007 01:22
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You either:
- Search for them
or
- Use objects with indices so that common vertices are already reduced to single vertices

Utility plugins collection and
http://www.matrix1.demon.co.uk for older plug-ins and example code
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Green Gandalf
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Posted: 18th Sep 2007 01:39
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Quote: "or
- Use objects with indices so that common vertices are already reduced to single vertices"


Even better.

And you could use IanM's welding code for doing just that...
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DB PROgrammer
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Posted: 18th Sep 2007 05:06 Edited at: 18th Sep 2007 20:46
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Where is IanM's welding code?

Searching...
Found...

In case anyone is interested here it is.
http://forum.thegamecreators.com/?m=forum_view&t=104506&b=1

Thanks for the help!

I keep runing nowhere fast!
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