Hi Dimitri,
> It works in the case of curved surfaces also but sometimes resulting, here and there, in
> some leaps. When you try to draw on the surface of a sphere solid, for example, the
> drawing lines-curves go beneath the surface in some areas.
Yes, just your "picked points" that are specified in the drawing command will be on the surface - having an entire curve through its entire length result on a surface is a different thing than having just some individual points of a curve on a surface. Except for planar surfaces.
In the future I want to add some kind of drawing mode option for making a "curve on surface" for this kind of thing.
- Michael
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