| --- Log opened Thu Jun 21 00:00:15 2018 |
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| 08:32 | < Vorntastic> | ... And then, with very little fanfare, all the casework disappears in a puff of smoke |
| 08:33 | <&McMartin> | ? |
| 08:38 | < Vorntastic> | I'm doing delaunay triangulation. The algorithm I was following had six cases for handling point-in-triangle things, because it had two Distant Points of ill-defined direction |
| 08:38 | < Vorntastic> | It also required I pull out the most extreme point from the actual list and keep it separate from the others |
| 08:39 | < Vorntastic> | Which had the upshot that I also needed to have every point from the beginning or at least limit additional points to being less extreme |
| 08:42 | < Vorntastic> | Which, because a later step in the overall process is to add points in all directions, was not going to work. |
| 08:42 | | Kindamoody[zZz] is now known as Kindamoody |
| 08:42 | < Vorntastic> | So: I added a third Distant Point and chose their directions explicitly. |
| 08:48 | < Vorntastic> | This made it so the extremeness of the starting real point didn't matter at all... And then made it so the case work for handling the Distant Points went from the 6 before - basically it behaved differently for which Distant Point(s) we had and whether they were the start or end of the edge we were working with - to, when determining the corners of the triangle to test, faking the Distant Point by defining it relative to the point we're |
| 08:48 | < Vorntastic> | testing. From a 6-case if to a 2-case if. |
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| 09:44 | < Vorntastic> | Also all the post processing is gone. |
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| 10:52 | <@TheWatcher> | Vorntastic: I keep meaning to ask, what is it you're working on? |
| 10:56 | < Vorntastic> | I'm working on generation of an infinite voronoi diagram |
| 11:01 | < Vorntastic> | Strategy is approximately: generate diagram for a square province, apply a round or two of Lloyd relaxation using the square boundaries, connect the province to nearby provinces to get less obviously square stuff |
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| 11:14 | < Vorntastic> | But I needed an incremental algorithm for adding new points because that's how I get the voronoi regions to extend between provinces: I basically add in points that threaten to change the diagram. |
| 11:16 | < Vorntastic> | Any the one I had was only "incremental" so long as you never put anything north of the original northernmost point |
| 11:38 | <@gnolam> | What are you working on it for? |
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| 11:49 | < Vorntastic> | I got into a Fey Mood |
| 11:49 | < Vorntastic> | After describing my approximate idea to someone who was looking into procedural generation |
| 11:49 | < Vorntastic> | Bah he left |
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| 23:22 | <~Vornotron> | augh ADD |
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| --- Log closed Fri Jun 22 00:00:17 2018 |