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add trapezoid anchor override and fix trapezoid and rect perimeter anchoring

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This commit is contained in:
Adrian Mariano
2023-03-08 23:09:11 -05:00
parent af72ef3bd5
commit a4596cb448
3 changed files with 160 additions and 116 deletions
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35
geometry.scad
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@@ -2296,24 +2296,27 @@ module hull_points(points, fast=false) {
no_children($children);
check = assert(is_path(points))
assert(len(points)>=3, "Point list must contain 3 points");
if (len(points[0])==2)
hull() polygon(points=points);
else {
if (fast) {
extra = len(points)%3;
faces = [
[for(i=[0:1:extra+2])i], // If vertex count not divisible by 3, combine extras with first 3
for(i=[extra+3:3:len(points)-3])[i,i+1,i+2]
];
hull() polyhedron(points=points, faces=faces);
} else {
faces = hull(points);
if (is_num(faces[0])){
if (len(faces)<=2) echo("Hull contains only two points");
else polyhedron(points=points, faces=[faces]);
attachable(){
if (len(points[0])==2)
hull() polygon(points=points);
else {
if (fast) {
extra = len(points)%3;
faces = [
[for(i=[0:1:extra+2])i], // If vertex count not divisible by 3, combine extras with first 3
for(i=[extra+3:3:len(points)-3])[i,i+1,i+2]
];
hull() polyhedron(points=points, faces=faces);
} else {
faces = hull(points);
if (is_num(faces[0])){
if (len(faces)<=2) echo("Hull contains only two points");
else polyhedron(points=points, faces=[faces]);
}
else polyhedron(points=points, faces=faces);
}
else polyhedron(points=points, faces=faces);
}
union();
}
}