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Multiple Objects w/ single trackable

October 18, 2011 - 11:27pm #1

I know I'm asking a ton of questions but the more I ask the more I learn. :D
Please bare with me.
I'm learning.

Couple questions:

I noticed that the 3rd place winner in the contest "inch high stunt guy" was able to have multiple 3d obj's on one image target and was able to have the user move them around. As well as have animation controllable via on-screen buttons. There has yet to be a AR "game" example/sample or tutorial so I'm curious...

How can I have multiple 3d obj's to a single image target and have the user control the character in "AR". I've searched all over the web for some sort of tut on this but avast I've found nothing. Any insight or tut of sorts would be very very much appreciated.

What I have is an imagetarget that is a layout of streets and "lots for buildings". I would like to have the 3d obj's of the buildings show up fixed on their respective locations, have a character that can be moved around the board via an onscreen button or through the use of the xperia play controls. I know this may be a long shot but I'm confident this would help other potential or current devs with some foundation to start creating AR games like Mattel's proto "rock 'em sock 'em".

Re: Multiple Objects w/ single trackable

October 19, 2011 - 4:49am #2

Your question doesn't necessarily have anything to do with QCAR. QCAR is a library used to track images ONLY and has nothing to do with drawing the 3d content itself. It just positions it on the screen.

If you want to know how to make what you describe, I recommend you use the Unity3d game engine. It is very easy to use (if you know how to program in C# or Java that is) and QCAR supports it. But start off by making what you want in Unity3d without the AR component. Just just your mouse and keyboard as an input device first. Once you get that up and running, adding the AR part is a breeze.

There are tons of tutorials in both text and video format out there for Unity3d. Again, I suggest you start there.

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