I think if you have one of those 3D-something mice (forgot the name but Poser supports it so you should be able to find the name somewhere in the docs) in place of a regular mouse, you can set it up to react that way.

Other than that.. unfortunately no.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.