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update thin wall comments, enable for local mode testing

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This commit is contained in:
Stewart Allen 2020-10-31 16:02:29 -04:00
commit 5df89763b0
6 changed files with 33 additions and 15 deletions
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31
src/kiri/slice.js
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@ -358,20 +358,21 @@
}
if (count) {
// permit offset of 0 for laser
// permit offset of 0 for laser and drag knife
if (offset1 === 0 && count === 1) {
last = top_poly.clone(true);
top.traces = last;
} else {
if (opt.thin) {
// thin wall offset strategy
let on1s2 = offset1 * 2,
on2s2 = offsetN * 2;
POLY.expand2(
top_poly,
-offset1,
-offsetN,
top.traces,
count,
top_poly, // reference polygon(s)
-offset1, // first inset distance
-offsetN, // subsequent inset distnace
top.traces, // accumulator array
count, // numberof insets to perform
// on each new offset trace ...
function(polys, countNow) {
last = polys;
@ -385,6 +386,10 @@
});
},
// thin wall probe
// p1 = original polys
// p2 = collected polys
// diff = circularity difference
// dist = over-expansion distance
function(p1, p2, diff, dist) {
if (p2) {
// nth offset
@ -405,13 +410,14 @@
},
z);
} else {
// standard wall offsetting strategy
POLY.expand(
top_poly,
-offset1,
z,
top.traces,
count,
-offsetN,
top_poly, // reference polygon(s)
-offset1, // first inset distance
z, // set new polys to this z
top.traces, // accumulator array
count, // number of insets to perform
-offsetN, // subsequent inset distance
// on each new offset trace ...
function(polys, countNow) {
last = polys;
@ -427,6 +433,7 @@
}
}
} else {
// no shells, just infill, is permitted
last = [top.poly];
}