From: Henning Hraban Ramm <texml@fiee.net>
To: ntg-context@ntg.nl
Subject: [NTG-context] Re: enhancing MetaPost presentation progress graphics
Date: Wed, 19 Jul 2023 19:06:58 +0200 [thread overview]
Message-ID: <1f46b8cb-bacf-13c3-80b4-66752071b481@fiee.net> (raw)
In-Reply-To: <95C3DFDF-FF4F-422B-B588-6389144F8D0C@bittext.nl>
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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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next prev parent reply other threads:[~2023-07-19 17:10 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 [this message]
2023-07-19 18:02 ` Duncan Hothersall
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