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Warning :
While Space switch can do wonderful things in akeytsu, please keep in mind that it’s still a constraint and it can only stay in akeytsu.
We advise you to carefully hierarchize your joints. For example, props like a sword are better when parented under the root than a wrist, especially if you intend to throw sword in the air or plant it in the ground.
Also, always export your work in a compatible framerate with your target engine. This will avoid tier softwares to auto-interpolate (which rarely leads to stable results)

Define your available spaces into Rigging mode…


  • When you change a space, it’s like changing transforms : if you change it only on one key, the space will change only on this key. Akeytsu will warn you with a new space switch icon on the next following keyframe, it’s normal : your space should remain untouched.

  • Also, when you create a new keyframe, the space assigned will be the one your joint already uses


  • If you create a key from an existing key, then your new key will keep the existing space.

  • When the same controller is used in several layers : if you slide a key with a Space change, or change the space of a key without MRS on other that has not fully corresponding pile of keys across all layers, then akeytsu will warn you that current space changes when there’s no MRS. Thiscan often lead to a break in trajectoryyou on other layers with a : !

  • When you copy/paste transforms, space switch channel is also taken in account

  • The copy/paste still relies on the bind/ref pose

  • If objects you copy doesn’t have the same world transforms in the bind (or ref) pose, then copy/paste won’t magically place them at the same world transforms even if objects gets space-switched to the same joint


There' an exception : if the new key get created at a time where another space switch is active (on a different layer for example), the existing space will prevail ! This way all your existing transforms remains untouched.

In our juggling animation, we used 3 space switch keyframes.


Of course, you can update the space of existing keyframes. In order to do that, select your keyframe, go into the Transform window and click on the Space Switch channel. That will open the Space Switch dialog, where you’ll be able to redefine your space.

Enjoy (wink) !