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Animating pin constraints


beeemtee

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Hi,

I'm trying to solve the following situation: there is a wire which is pinned to a point in one end.

It hangs freely in the beginning of the animation, but at a point in time the free end must be

attached to a transform (someone grabs it). I am aware of the activate parameter of the sbd pin

constraint, but to use that without disturbing the simulation it needs to know where the points of

the wire will be at the moment when it gets activated. To avoid circular dependencies, I need to

have a parallel simulation, and that feels too hacky..

I'm suppose there is a straightforward solution for this problem, I'm just not aware of it. What do

I miss here?

Thanks in advance

Mate

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you can animate grabbing object the way that it is aligned with the point you want to grab at the constraint activation frame

the either bring object to sim and use it as Goal Object on constraint

or just bring it's world pos directly to goal location

to avoid popping when the constraint is activated use spring rather than point constraint

here is an example

wire_grab.hip

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