aim constraint eye rigging workflow

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  11 November 2017
aim constraint eye rigging workflow

there's yet another thing that is bothering me,
I've set up the eye controls for the character using aim constraint and it seems to work fine.
Now the problem occurs when I parent constraint the eye controls to follow the head.
I'm getting unwanted rotations in the eyes while the head moves, they should stay still.
I also have a blend shapes hooked via set driven key that triggers head deformation when control is moved.

I think the aim constraint is causing the issue since without it eyes follow fine.

Any what is causing this or suggestions how to rig eyes to follow the head properly?
  11 November 2017
ok, it was the up vector under aim constraint options that was not set right.
Changing that everything follows fine!
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