Hai, I'm pretty new to AnimationLAB and animation in general, but I just wanted to give it a try.
I guess I'll develop techniques to make it better, hopefully. I do see it is slightly jerky.

Anyways here goes: Piston á lá Bent.




Oh, yeah. Gifs don't seem to speed up significantly (at least in web browsers) if I increase the Frames per second. They do however if I play them in Quick Time.
Any comments on that one?

It is very hard to figure out stuff about AnimationLAB alone, I might add. I'm just assuming that Winston added nodes, and made them linked to a path, controlled by the middle node that follow a circular path.
I have no idea how to do this though.

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I'm just assuming that Winston added nodes, and made them linked to a path, controlled by the middle node that follow a circular path.

The big ends of the rods follow a circular path. The rotation of the rods is calculated so that the small ends fall on their respective linear paths.

Because rotation in TurboCAD is not absolute, I had to calculate the a rod's relative rotation (current frame rotation minus previous frame rotation).

Nice early example Bent.

Can't wait to see something when you are an expert!

Regards Tim

That animation is awesome.  So does Animation Lab include motion constraints, then?

Hi

Bent is my son, and I know he is busy with his stydies in England (chiropractor ), and he is very seldom in this forum.

Yes, you can use constraint in AL.

Kai