: Ensure your joint chain is exactly perpendicular to the Y-axis ; otherwise, the constraint cannot be initialized. Apply the Constraint : Select the bones in your scene.
: You can adjust the Control node twist axis , Reverse twist , and Twist interpolation settings to manage how the skeleton rotates along its length as the curve bends. Motionbuilder Tutorial - 18: Spline IK
: Perfect for automating the physics-like movement of hair, whips, or mechanical cables. Motionbuilder Tutorial - 18: Spline IK : Ensure your joint chain is exactly perpendicular
In the , drag the starting bone into the First Joint field and the final bone into the End Joint field. Create Control Nodes : Motionbuilder Tutorial - 18: Spline IK
Enable and click Snap to activate the constraint and bind the bones to the curve. Advanced Control Features