Parent Constrain With Full Parent/child Influence?

[hammerhead]

I have a camera with a nicely worked out motion path. Now I want to add some shake to react to explosions. Rather than try to add that animation to the camera's current curves, I decide I want to create a separate shake node. I can't just parent the camera to the shake node because the custom exporter I need to use wants all the camera's motion information just in the camera itself. So I figure I'll do a parent constraint, then bake keys on the camera after that.

Here's the issue, though: If I take one object with animation keys, parent constrain it to another with animation keys, then only the parent animation keys have influence. So I figured out I have to mess with the pair blend weight to get the child to have influence from both its own keys and the parent's.

But for the life of me, I cannot figure out how to get full influence from both the child's animation and the parent's. If I set the pair blend weight to .5, I get even influence from both, but at half the values they need to be.

I'm convinced there must be a simple answer to this, but for the life of me I can't find it. And after searching these forums for about an hour, I've given up just searching.

I'm using Maya 8.0 if that matters.

Oh, and alternately, if there's some other easy way to add one object's animation into another's, I'm all ears.

Thanks in advance.

[joojaa]

make a extra trasform under the path anim and shake that. the parent constrain to thet extra node.

[hammerhead]

QUOTE(Joojaa @ 02/14/08, 03:16 PM) [snapback]281123[/snapback]
make a extra trasform under the path anim and shake that. the parent constrain to thet extra node.

Thanks for the help. I added an extra translateY control attribute to a test sphere with already-existing animation (I wasn't aware you could do that; neat!). I animated this new attribute to have the shake, then baked the keys on the sphere. Just that alone seems to do what I need. I didn't quite understand the part about "then parent constrain to that extra node," but as far as I can tell, I didn't need to do any extra constrain step. Was that something that Maya possibly already did automatically, or is there something I'm maybe still missing?

Thanks again.