Re: Picking...

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Andy Mirkis (mandy++at++jupiter.ucsd.edu)
Tue, 14 Mar 1995 01:35:05 -0800

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On Mar 14, 9:38am, abrend++at++idt.unit.no wrote:
> Subject: Picking...
>
> I can't get the picking to work. First I use
> 'pfNodePickSetup(root)' after the scene is read in from a Medit file.
> Then - in the simulation loop - I use
>
> noHit = pfChanPick(chan, PFPK_M_NEAREST, (mouse.xchan+1)/2,
> (mouse.ychan+1)/2, 0.0f, pickList);
>

px and py need to be normalized (0.0 to 1.0). pfuMapMouseToChan() which is
used to update the mouse xchan/ychan creates values between -1.0 and 1.0.
Try using pfuCalcNormalizedChanXY() to create normalized screen coordinates
(0.0 to 1.0) using the mouse xpos/ypos as input args.

-Andy

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