I am in awe at this. Thanks for sharing.

On Wed, 19 Jul 2023 at 18:11, Henning Hraban Ramm <texml@fiee.net> wrote:

> Am 19.07.23 um 14:07 schrieb Taco Hoekwater:
> > First, find the actual point along the curve of the wave you want, then
> you can ask for the direction of the wave at that time, and its point:
>
> Thank you!
>
> > pair itime, iangle, boatpos;
> >
> > itime = (wave[3] intersectiontimes ((xpos,0)--(xpos,infinity)));
> > iangle = direction (xpart itime) of wave[3];
> > boatpos = (point (xpart itime) of wave[3]) shifted (-5,0); % shift to
> center horizontally
>
> There was still an error that I introduced:
> The boat on the first page is already way in, while on the last page it
> falls over the edge of the world.
>
> I fixed several other things and drew a nicer boat. Feel free to use it.
>
> Hraban
>
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