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Added cp= to attachable. Added "origin" standard named anchor.

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This commit is contained in:
Garth Minette
2020-07-06 17:07:20 -07:00
parent 78ecbbd9c5
commit efa76fe9f5
3 changed files with 84 additions and 67 deletions
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10
regions.scad
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@@ -337,15 +337,17 @@ function region_faces(region, transform, reverse=false, vnf=EMPTY_VNF) =
// mrgn = union(rgn1,rgn2);
// orgn = difference(mrgn,rgn3);
// linear_sweep(orgn,height=20,convexity=16) show_anchors();
module linear_sweep(region, height=1, center=false, twist=0, scale=1, slices, maxseg, style="default", convexity, anchor_isect=false, anchor=BOT, spin=0, orient=UP) {
anchor = get_anchor(anchor, center, BOT, BOT);
module linear_sweep(region, height=1, center, twist=0, scale=1, slices, maxseg, style="default", convexity, anchor_isect=false, anchor, spin=0, orient=UP) {
region = is_path(region)? [region] : region;
cp = median(flatten(region));
anchor = get_anchor(anchor, center, "origin", "origin");
vnf = linear_sweep(
region, height=height,
twist=twist, scale=scale,
slices=slices, maxseg=maxseg,
style=style
);
attachable(anchor,spin,orient, vnf=vnf, extent=!anchor_isect) {
attachable(anchor,spin,orient, cp=cp, vnf=vnf, extent=!anchor_isect) {
vnf_polyhedron(vnf, convexity=convexity);
children();
}
@@ -355,10 +357,10 @@ module linear_sweep(region, height=1, center=false, twist=0, scale=1, slices, ma
function linear_sweep(region, height=1, twist=0, scale=1, slices, maxseg, style="default") =
let(
region = is_path(region)? [region] : region,
regions = split_nested_region(region),
slices = default(slices, floor(twist/5+1)),
step = twist/slices,
hstep = height/slices,
regions = split_nested_region(region),
trgns = [
for (rgn=regions) [
for (path=rgn) let(