The changes in https://github.com/phetsims/bending-light/issues/321 had the unintended consequences of (a) changing the start location of the protractor and (b) when dragging the protractor (possibly after reset), the offset is incorrect and it is away from the mouse.
The changes in https://github.com/phetsims/bending-light/issues/321 had the unintended consequences of (a) changing the start location of the protractor and (b) when dragging the protractor (possibly after reset), the offset is incorrect and it is away from the mouse.