Spine
There are three type of controllers in hub module. Main chest controller, inner chest controller, and spine controllers. These are same for the head module.
![../../../../_images/spinectrl.gif](../../../../_images/spinectrl.gif)
Spine Attributes
These attributes can be found in the main chest controller's modifier stack.
![../../../../_images/spineatts.png](../../../../_images/spineatts.png)
- Free Move:
If it’s enabled chest stays in place if parent controller moves, rotates or scales. As default chest moves with parent controller.
freemove off - freemove on
- Rotation Absolute/Relative:
When “Free Move” disabled, chest orientation is affected from its parent rotation depends on slider value.
abs/rel:1.0 - abs/rel:0.0
- Pivot Self/Parent:
When “Free Move” disabled, chest controller can be rotated between self and parent pivot depends on slider value.
self/parent:0.0 - self/parent:1.0
- Curve Weight:
Distributes spine bone tan weights between top and bottom controllers. Spine bones follows more or less spine controllers depends on slider value.
weight:0.5 - weight:1.0
- Squash:
Spine bones squashable depends on slider value.
squash:0.0 - squash:1.0
- Constant Space:
Spine bone positions are distributed equally or bezier between top and bottom controllers.
constant space on - constant space off