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Added path_join() function, fixed degenerate case issue in path_cut

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This commit is contained in:
Adrian Mariano
2020-09-23 22:00:17 -04:00
parent c50dddc3eb
commit e50a577094
2 changed files with 177 additions and 3 deletions
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7
paths.scad
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@@ -1161,10 +1161,11 @@ function _path_plane(path, ind, i,closed) =
function _path_cuts_dir(path, cuts, closed=false, eps=1e-2) =
[for(ind=[0:len(cuts)-1])
let(
zeros = path[0]*0,
nextind = cuts[ind][1],
nextpath = unit(select(path, nextind+1)-select(path, nextind)),
thispath = unit(select(path, nextind) - path[nextind-1]),
lastpath = unit(path[nextind-1] - select(path, nextind-2)),
nextpath = unit(select(path, nextind+1)-select(path, nextind),zeros),
thispath = unit(select(path, nextind) - path[nextind-1],zeros),
lastpath = unit(path[nextind-1] - select(path, nextind-2),zeros),
nextdir =
nextind==len(path) && !closed? lastpath :
(nextind<=len(path)-2 || closed) && approx(cuts[ind][0], path[nextind],eps)?