From: Duncan Hothersall <dh@capdm.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: [NTG-context] Re: enhancing MetaPost presentation progress graphics
Date: Wed, 19 Jul 2023 19:02:26 +0100 [thread overview]
Message-ID: <CAN8fp9XQpMZUqZEYKZMFBLEEncq_4Y8WcaxAMW_st6bUJMdnnQ@mail.gmail.com> (raw)
In-Reply-To: <1f46b8cb-bacf-13c3-80b4-66752071b481@fiee.net>
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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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>
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> ___________________________________________________________________________________
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context
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prev parent reply other threads:[~2023-07-19 18:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-19 10:32 [NTG-context] " Henning Hraban Ramm
2023-07-19 10:49 ` [NTG-context] " Floris van Manen via ntg-context
2023-07-19 12:07 ` Taco Hoekwater
2023-07-19 17:06 ` Henning Hraban Ramm
2023-07-19 18:02 ` Duncan Hothersall [this message]
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