Eye

Creates a basic eye rig setup with rotation and aim-at ctrls.

Guides:

• ‘Eye Center Guide’ – Position at the center of the eyeball model and align to match its gaze.
• ‘Eye Aim At Guide’ – Position where the aim-at ctrl will be.

Attributes:

1. ‘Ctrls Scale’ – Scale all the node ctrls. Note that the attachments ‘Ctrls Settings’ and ‘CtrlsShape’ will override this.
   [As of version 1.06.03]  ‘Update’ button to change the ctrls size without requiring a rebuild. [Video] 
2. ‘Expose RotateOrder’ – Exposes all the ctrls ‘RotateOrder’ attribute in the Channel Box. [Video]
3. ‘Secondary Ctrls’ – Secondary ctrls are added under some ctrls to help prevent gimbal lock.
   A visibility attribute is added to the parent ctrl. [Video]
4. ‘Enable Scale’ – Enable scaling of the eyeball.

Connections:

• ‘Root Input’ – Drives the ‘eye_ctrl’/eyeball, usually connected to the head node.
• ‘Aim Ctrl Input’ – Drives the ‘aim_at_ctrl’, usually connected to the ‘Base’ node. 
• ‘Eye Output’ – An output at ‘eye_jnt’.

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