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Added exclusive_or() as a module.

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Revar Desmera 2019-06-18 00:09:51 -07:00
parent 72bb408c4e
commit 3655bab0a3
1 changed files with 124 additions and 3 deletions
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127
geometry.scad
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@ -718,11 +718,16 @@ function intersection(regions=[],b=undef,c=undef,eps=EPSILON) =
);
// Function: exclusive_or()
// Function&Module: exclusive_or()
// Usage:
// exclusive_or(regions);
// exclusive_or() {...}
// foo = exclusive_or(REGION1,REGION2);
// foo = exclusive_or(REGION1,REGION2,REGION3);
// foo = exclusive_or([REGIONS]);
// Description:
// Given a list of regions, where each region is a list of closed 2D paths, returns the region boolean exclusive_or of all given regions.
// When called as a function and given a list of regions, where each region is a list of closed
// 2D paths, returns the boolean exclusive_or of all given regions, as a single region.
// When called as a module, performs a boolean exclusive-or of up to 10 children.
// Arguments:
// regions = List of regions to exclusive_or. Each region is a list of closed paths.
// Example(2D):
@ -746,6 +751,122 @@ function exclusive_or(regions=[],b=undef,c=undef,eps=EPSILON) =
);
module exclusive_or() {
if ($children==1) {
children();
} else if ($children==2) {
difference() {
children(0);
children(1);
}
difference() {
children(1);
children(0);
}
} else if ($children==3) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
}
children(2);
}
} else if ($children==4) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
}
exclusive_or() {
children(2);
children(3);
}
}
} else if ($children==5) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
children(4);
}
} else if ($children==6) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
children(4);
children(5);
}
} else if ($children==7) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
children(4);
children(5);
children(6);
}
} else if ($children==8) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
exclusive_or() {
children(4);
children(5);
children(6);
children(7);
}
}
} else if ($children==9) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
exclusive_or() {
children(4);
children(5);
children(6);
children(7);
}
children(8);
}
} else if ($children==10) {
exclusive_or() {
exclusive_or() {
children(0);
children(1);
children(2);
children(3);
}
exclusive_or() {
children(4);
children(5);
children(6);
children(7);
}
children(8);
children(9);
}
}
}
// Module: region()
// Usage:
// region(r);