Jeffrey while you are theoretically right , in many cases people can be taught these things and remember than not everyone is born with 3D math in his brains ;) .And here in this group we usually try to help people with this sort of questions.
On Mon, Jun 13, 2011 at 4:48 PM, Jeffrey Kesselman <[email protected]> wrote: > Without vector math the scenegraph is a giant black box to you and you will > see behaviors you won't understand in anything beyond the most trivial > application > > As cross of multiple game companies I would no more hire someone who had no > 3D math background to code a 3D game then I would hire someone without a > drivers license to drive a delivery van. > > Its a basic qualification for the job. > On Jun 12, 2011 2:48 PM, "Michael Iv" <[email protected]> wrote: > > Andreas just read Adobe docs regarding transformVector() and > > deltaTransformVector() and their differences .It is really simple, No > > "cruel" vector math. transformVector returns transformed vector both by > > matrix orientation and translation components whereas deltaTransform > > transform the input vector only by orientation of the matrix. > > > > > > On Mon, Jun 13, 2011 at 12:19 AM, Jeffrey Kesselman <[email protected] > >wrote: > > > >> Vector algebra is " normal" for anyone trying to program 3d graphics. If > >> this is what you want to do you better study more math > >> > >> Sorry to sound cruel but that's the reality. > >> On Jun 12, 2011 4:21 PM, "Andreas Jirenius" <[email protected]> > wrote: > >> > Ok, I have never studied math above the "normal" level and actually > >> > never studied matrices in any way so please help me out here :) > >> > > >> > I got an ObjectContainer3D that is rotated in different axis. Also I > >> > got a smaller ObjectContainer3D as a child inside this first one. The > >> > child is ALSO rotated in different ways. > >> > Is there any simple solution the get a global(!) Vector pointing in > >> > the direction the smaller object is "looking at" (preferrable). Or > >> > maybe get the global rotation of the smaller object (x,y and z). > >> > > >> > Grateful for any help! > >> > > > > > > > > -- > > Michael Ivanov ,Programmer > > Neurotech Solutions Ltd. > > Flex|Air |3D|Unity| > > www.neurotechresearch.com > > http://blog.alladvanced.net > > Tel:054-4962254 > > [email protected] > > [email protected] > -- Michael Ivanov ,Programmer Neurotech Solutions Ltd. Flex|Air |3D|Unity| www.neurotechresearch.com http://blog.alladvanced.net Tel:054-4962254 [email protected] [email protected]
