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Improved boolean geometry example.

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This commit is contained in:
Revar Desmera 2019-06-17 22:24:36 -07:00
parent fea4a6b6ca
commit 855256641d
1 changed files with 14 additions and 13 deletions
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27
examples/boolean_geometry.scad
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@ -12,11 +12,15 @@ rgn1 = [
rgn2 = [
[[0,0], [100,100], [100,0]],
[[27,10], [90,73], [90,10]],
move([70,30], p=circle(d=20))
move([70,30], p=circle(d=25))
];
module showit(label, rgn, poly=undef, outline=undef, width=0.75) {
polycolor=[0.5,1,0.5];
outlinecolor="black";
module showit(label, rgn, poly=polycolor, outline=outlinecolor, width=0.5) {
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);
@ -27,21 +31,18 @@ module showit(label, rgn, poly=undef, outline=undef, width=0.75) {
ydistribute(-125) {
xdistribute(120) {
showit("Region A", rgn1, poly="green", outline="black");
showit("Region B", rgn2, poly="green", outline="black");
showit("Region A", rgn1, poly=[1,0,0,0.5]);
showit("Region B", rgn2, poly=[0,0,1,0.5]);
union() {
showit("A and B Overlaid", rgn1, outline="red",width=1);
showit("", rgn2, outline="blue",width=0.5);
showit("A and B Overlaid", rgn1, poly=[1,0,0,0.5]);
showit("", rgn2, poly=[0,0,1,0.5]);
}
}
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");
showit("Union A+B", union(rgn1, rgn2));
showit("Difference A-B", difference(rgn1, rgn2));
showit("Intersection A&B", intersection(rgn1, rgn2));
showit("Exclusive OR A^B", exclusive_or(rgn1, rgn2));
}
}