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Tweaked square() to generate paths with similar orientation to circle()

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Revar Desmera 2019-11-03 15:02:49 -08:00
parent 302b8c4b2f
commit 914ff7fae9
1 changed files with 3 additions and 2 deletions
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5
primitives.scad
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@ -35,19 +35,20 @@
// path = square([40,30], anchor=FRONT, spin=30);
module square(size=1, center=undef, anchor=FRONT+LEFT, spin=0) {
size = is_num(size)? [size,size] : point2d(size);
pts = [[0,0], [0,size.y], size, [size.x,0]];
pts = [[size.x,0], [0,0], [0,size.y], size];
orient_and_anchor(point3d(size), UP, anchor, spin=spin, center=center, noncentered=FRONT+LEFT, two_d=true, chain=true) {
translate(-size/2) polygon(pts);
children();
}
}
function square(size=1, center=undef, anchor=FRONT+LEFT, spin=0) =
let(
anchor = center==true? CENTER : center==false? FRONT+LEFT : anchor,
size = is_num(size)? [size,size] : point2d(size),
s=size/2
) rot(spin, p=move(-vmul(anchor,s), p=[[-s.x,-s.y], [-s.x,s.y], [s.x,s.y], [s.x,-s.y]]));
) rot(spin, p=move(-vmul(anchor,s), p=[[s.x,-s.y], [-s.x,-s.y], [-s.x,s.y], [s.x,s.y]]));
// Function&Module: circle()