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Index › Programming Questions & Help › Programs › selecting objects in a scene

rkshukla YaBB Newbies Offline Posts: 39	selecting objects in a scene May 30th, 2008, 2:44pm   Hello there, I am a beginner in processing and would like to know if I can cast severals objects in a 3D scene and be able to get their coordinate and "select" them with a mouse event

JohnG Ex Member	Re: selecting objects in a scene Reply #1 - May 30th, 2008, 6:15pm   There's no magic built in 3D->screen object translation thing to do it for you. You can use screenX/screenY to find where about on screen a single point is, but you'd have to then work out some way of working out the bounds of the 3D objects to then decide whether one was selected or not.

antiplastik YaBB Moderator Offline Posts: 699 France	Re: selecting objects in a scene Reply #2 - May 31st, 2008, 10:23am   What you want is called picking. I wrote something on processinghacks.com about that, but seems the article has disappeared since they moved in processing.org (!) Maybe this can help you (there are some code and explanations in french) : http://n.clavaud.free.fr/processing/picking/picktuto.htm

fjen God Member Offline Posts: 965	Re: selecting objects in a scene Reply #3 - May 31st, 2008, 11:23am   ouch-ah, i'm sorry. the missing hacks-pages are my fault. updated just now: http://processing.org/hacks/doku.php?id=hacks:picking F

antiplastik YaBB Moderator Offline Posts: 699 France	Re: selecting objects in a scene Reply #4 - Jun 1st, 2008, 10:47am   thank you F :-) @rkshukla > so here are the explanations in english : http://processing.org/hacks/doku.php?id=hacks:picking_color_buffer

rkshukla YaBB Newbies Offline Posts: 39	Re: selecting objects in a scene Reply #5 - Jun 2nd, 2008, 10:28am   thank you!!!!