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| From: | David Kastrup |
| Subject: | Re: What to do wanting a 4th order Bézier? |
| Date: | Mon, 19 Sep 2016 20:50:35 +0200 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Urs Liska <address@hidden> writes: [...] You are working with slopes here. Don't. They don't support vertical lines. Please take a look at the recently added functions ly:length ly:angle ly:directed They will usually make it easy to do the operations you want. In particular ly:directed can also use a vector as a direction without ever calculating its angle. -- David Kastrup
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