Remove Spline IK roll description #54139
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Reference: blender/blender-manual#54139
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https://docs.blender.org/manual/en/dev/rigging/armatures/posing/bone_constraints/inverse_kinematics/spline_ik.html#roll-control
The paragraph Roll Control on the Spline IK page describes how to twist \ roll (*) a Spline-IK-constrained bone chain, but following the steps does not produce those results under the current release of Blender.
(*) "Twist" or "roll", meaning the dampened rotation that's inherited up the chain, creating a twisting effect like the one you get from bendy-bones:
Added subscriber: @RNavega
Added subscriber: @JoshuaLeung
Added subscriber: @Blendify
A couple of things here, there is no supported way to do this. See this thread: https://blenderartists.org/t/how-to-control-roll-twist-in-spline-ik-rig-turns-out-its-impossible/598396/12 however like the documentation states you can chain together copy rotation constraints to create a twisting effect.
This issue was referenced by 6030
Changed status from 'Confirmed' to: 'Resolved'
Great commit.
Is it possible to link to Youtube videos from the documentation? I wanted to make one explaining how to set up the Spline IK twisting à la bendy-bone, which is very useful for character spines like for head-turn twisting.
In theory yes, however, they cannot be from a third party channel and must be hosted by an official Blender youtube channel or video.blender.org
We are currently in progress on figuring out how properly do this.