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Replace most trivial uses of slice() with faster list_head() and list_tail()

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Garth Minette
2021-03-25 00:23:36 -07:00
parent e9e3616861
commit d7cb503ffc
10 changed files with 112 additions and 51 deletions
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beziers.scad
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@@ -574,7 +574,7 @@ function bezier_line_intersection(curve, line) =
// p2 = [30, 30];
// trace_path([p0,p1,p2], showpts=true, size=0.5, color="green");
// fbez = fillet3pts(p0,p1,p2, 10);
// trace_bezier(slice(fbez, 1, -2), size=1);
// trace_bezier(select(fbez,1,-2), size=1);
function fillet3pts(p0, p1, p2, r, d, maxerr=0.1, w=0.5, dw=0.25) = let(
r = get_radius(r=r,d=d),
v0 = unit(p0-p1),
@@ -942,7 +942,7 @@ module bezier_polygon(bezier, splinesteps=16, N=3) {
assert(is_int(splinesteps));
assert(len(bezier)%N == 1, str("A degree ",N," bezier path shound have a multiple of ",N," points in it, plus 1."));
polypoints=bezier_path(bezier, splinesteps, N);
polygon(points=slice(polypoints, 0, -1));
polygon(points=polypoints);
}