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Index › Programming Questions & Help › OpenGL and 3D Libraries › Split Plane in Processing
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Split Plane in Processing (Read 411 times)
zzzziesta
Split Plane in Processing
Jun 25th, 2008, 9:32pm  
Is it possible to split the viewport into two panes?

My problem is that I am using the controlP5 controls in an OpenGL setting, in which I want to be able to zoom in and out. controlP5 draws the controls at the specified coordinate locations, and thus scales them as well when zooming.

I thought if I were to split the viewport, perhaps I could put the controls on one side. Or is there another way around this problem?

Thanks,
Ben
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mhuyck
Re: Split Plane in Processing
Reply #1 - Jun 26th, 2008, 6:39am  
I had a similar problem.  Rather than using panes, I drew a static transparent layer on top of the zoomed image using the pushMatrix() and popMatrix() functions like this:

Quote:

void draw() {
   pushMatrix();
   // Do your usual drawing here with scaling, translating, etc. as needed
   // to achieve the zooming effects.
   popMatrix();
   // Now you can draw whatever you want on top of your zoomed image
   // in the viewport's original (un-zoomed) coordinate system.
   // You could add code that draws a separate pane with controls on it here.
}


I hope this helps!
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