Blending between a GUI- and target-based eye setup

…Since all animators have their own workflow preferences, and…each shot has its own specific demands, technical directors should…aim to include as many options as possible in…their rigs, as long as it doesn't bog down performance.…In this lesson, we'll explore how the GUI and Look…At style eye controls can be incorporated into the same setup.…So I've created two sets of locators, and they're being driven by separate controls.…The first set are the UI locators, that are being driven by the GUI.…And this is set up exactly as I did in the previous lesson, just driving the rotation…values of the locators, based off of the translation values of the GUI.…

And then the second set of locators are…aimed at my Look At control, my eye target.…Again, just using the same setup I described before, using an…in constraint to drive the rotation values of the eye locators.…So, when multiple behaviors are desired in a rig, it's not…at all uncommon to create two separate set-ups or more, and…then feed those different behaviors into the final rig, in order…