Dynamic Net Creations

I recently became interested in Inverse Kinematics (IK). In case you don’t know what that is you can read about it here .  The best way to learn about something you find interesting is to do it and you can see the fruits of my labor here .  IK has been done in Flash before but I think this is the first time it has been done numerically (as opposed to analytically) and with a DAE model.

It probably won’t seem very interesting or practical unless you’re a math junky or an animator respectively.  For the math people, I use the Jacobian transpose method and numerical approximation to track the target with the effector.  You can read about that here and here .  For the animators, once I managed to wrap my head around the math, it wasn’t difficult to make a simple application like this.  It might be possible to do something like interactive footsteps if I can get a hold of a robust matrix math class for AS3.

Better demos are on the way.  This one was just to show that I have a handle on the math.

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