The noise node previously displaced each path point's XYZ independently,
which stretched/compressed segments and produced kinked edges. After
displacement, re-project each point onto the sphere of radius
seg_lens[i-1] centered at the previous point — same pattern used by the
gravity node. Total path length is now preserved; noise bends the path
rather than stretching it.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
max
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