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Fixed unmerged adjacent polygons in boolean geometry.

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Revar Desmera
2019-06-17 21:44:50 -07:00
parent 1ad126f85d
commit fea4a6b6ca
2 changed files with 68 additions and 7 deletions
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48
examples/boolean_geometry.scad Normal file
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@@ -0,0 +1,48 @@
include <BOSL2/std.scad>
include <BOSL2/debug.scad>
$fn = 36;
rgn1 = [
square(100),
move([50,50], p=circle(d=60)),
[[40,40],[40,60],[60,60]]
];
rgn2 = [
[[0,0], [100,100], [100,0]],
[[27,10], [90,73], [90,10]],
move([70,30], p=circle(d=20))
];
module showit(label, rgn, poly=undef, outline=undef, width=0.75) {
move([-50,-50]) {
if(outline) color(outline) linear_extrude(height=max(0.1,1-width)) for(path=rgn) stroke(path, width=width, close=true);
if(poly) color(poly) linear_extrude(height=0.1) region(rgn);
color("black") right(50) fwd(7) linear_extrude(height=0.1) text(text=label, size=8, halign="center", valign="center");
}
}
ydistribute(-125) {
xdistribute(120) {
showit("Region A", rgn1, poly="green", outline="black");
showit("Region B", rgn2, poly="green", outline="black");
union() {
showit("A and B Overlaid", rgn1, outline="red",width=1);
showit("", rgn2, outline="blue",width=0.5);
}
}
xdistribute(120) {
showit("Union A+B", union(rgn1, rgn2), poly="green", outline="black");
showit("Difference A-B", difference(rgn1, rgn2), poly="green", outline="black");
showit("Difference B-A", difference(rgn2, rgn1), poly="green", outline="black");
}
xdistribute(120) {
showit("Intersection A&B", intersection(rgn1, rgn2), poly="green", outline="black");
showit("Exclusive OR A^B", exclusive_or(rgn1, rgn2), poly="green", outline="black");
}
}
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap