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Keeping objects attached in reactor
show user profile  pkarpenko
I have a sphere that's the child of a box so when the box moves, the sphere moves. When I set up reactor and put the box and sphere into a rigid body collection, they do not stick together (they fall and then separate when they hit the ground.) How do I keep linked objects linked when they are animated by reactor?

Thanks in advance.
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1/17/2009 4:06:46 PM (last edit: 1/17/2009 4:07:57 PM)
show user profile  Kajico
go into the Max tutorials and read up the rag doll tutorial it will talk about using constraints for reactor.

(\/) (°,,,°) (\/) Woop woop woop!

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1/17/2009 4:15:40 PM (last edit: 1/17/2009 4:15:40 PM)
show user profile  Davious
reactor is a physics engine. As far as I know, links wont work like that. Unless you link them with a reactor rope or other object. I have been known to be wrong though. Take a cube and sphere in real life , and drop them, they need a real world link.

What you could do is drop one and keyframe the other to a point, then allow reactor to take ovr again.

also what Kaj said :)
(I never used ragdoll)

" Difficult, yes. Impossible , no..."
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1/17/2009 4:16:47 PM (last edit: 1/17/2009 4:17:22 PM)
show user profile  pkarpenko
Ragdoll only allows me to bind two objects together. I actually have a bunch. Maybe I'm going about this in the wrong way.

What I'm making is a tractor tire. It's made from two tire halves plus a hub cap on either side, so four objects altogether. There are a bunch of modifiers on each the objects so I don't want to do ATTACH. What's an easier way of binding these four objects together into one while preserving each object's modifier stack?
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1/17/2009 4:24:16 PM (last edit: 1/17/2009 4:24:16 PM)
show user profile  mrgrotey
Make a proxy object, the same size/shape as the tyre and use that in reactor, then link the four parts to it after the reactor calculations have been done

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1/17/2009 4:29:38 PM (last edit: 1/17/2009 4:30:05 PM)
show user profile  pkarpenko
Thanks, mrgrotey, that works really well. I still wonder if there's a cleaner way, though ...
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1/17/2009 4:37:36 PM (last edit: 1/17/2009 4:37:36 PM)
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