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Index › Processing Development › Libraries,  Tool Development › Using Arcball Code - Licensing required?
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Using Arcball Code - Licensing required?? (Read 1326 times)
preeti_munot
Using Arcball Code - Licensing required??
Jul 5th, 2006, 10:23am  
Hi,
While developing a 3D-Scatter Plot, I came across the ArcBall code at "http://v3ga.free.fr/Java/ArcBall/"
This code was really helpful.
Just want to know from the author of the code if I could use it directly or there are some licensing issues?
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TomC
Re: Using Arcball Code - Licensing required??
Reply #1 - Jul 5th, 2006, 10:58am  
There are several similar arcball implementations for Processing floating around.  As well as Julien's that you found, there is one by Simon Greenwold and one by Ariel Malka.  Fry also has one but it works a bit differently (could be because the graphics engine changed since he wrote it, not sure).

I checked with Julien, Simon and Ariel a while back and they were all happy for me to use their code for anything.  I bundled up what I had in a library over at processinghacks.com - http://www.processinghacks.com/hacks/arcball

It's not very flexible because it modifies the transform stack automatically before the draw function starts, but I find it's useful if you just want to get a look at what you're drawing.  Enhancements are welcome!
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