@teoav maybe something related to the part of your question on SO:
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line: We could create only 1 geometry with all the turns inside. However, currently all my lines are linked (like if i was drawing them with a pen in one shot). More over, I do not think it is easily possible to manipulate a specific turn with this solution.
Have a look: Using NaN in attributes - #7 by prisoner849 (LineSegments + indexed geometry, non-interactive)