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start passing back thin wall data to slice

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This commit is contained in:
Stewart Allen 2025-09-19 12:50:42 -04:00
commit 3568cd8497
3 changed files with 26 additions and 21 deletions
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28
src/kiri/mode/fdm/post.js
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@ -170,15 +170,14 @@ function thin_type_3(params) {
let noodleWidth = offsetN * count;
let { noodle, remain } = top.poly.noodle(noodleWidth);
// remaining area for infill after shells are extruded
let gaps = top.gaps = remain;
// render inset "noodle"
// shells.appendAll(noodle);
let thin = top.thin_fill = [];
let shells = top.shells;
let sparse = top.fill_sparse = [];
let debugRemain = false;
let debugExtrusion = false;
let shells = top.shells; // only used for debug
let trace = top.thin_wall = [];
let midR = offsetN * 0.5; // nominal extrusion width
let minR = midR * 0.75; // smallest interior fill or single wall width
@ -187,7 +186,6 @@ function thin_type_3(params) {
let lines = [];
let polys = [];
let trace = [];
for (let i=0; i<count; i++) {
let remain = [];
@ -211,7 +209,7 @@ function thin_type_3(params) {
});
// show remaining noodle after single trace
// shells.push(...POLY.setZ(POLY.flatten(remain), z));
if (debugRemain) polys.push(...POLY.setZ(POLY.flatten(remain), z));
noodle = remain;
}
@ -219,15 +217,17 @@ function thin_type_3(params) {
// console.log({ lines, polys, trace });
// show extrusion
if (debugExtrusion)
for (let point of trace) {
shells.push(newPolygon().centerCircle(point, point.r, 12).setZ(z));
polys.push(newPolygon().centerCircle(point, point.r, 12).setZ(z));
}
POLY.setZ([...lines, ...polys], z);
thin.push(...lines);
shells.push(...polys);
return { trace, gaps };
if (lines.length) top.thin_fill = lines;
if (polys.length) shells.push(...polys);
return { trace, last: remain };
}
// trace a single extrusion line around the inside of the noodle poly
@ -577,8 +577,8 @@ export function doTopShells(z, top, count, offset1, offsetN, fillOffset, opt = {
ret = offset_default({ z, top, count, top_poly, offset1, offsetN, wasm });
break;
}
last = ret.last || last;
gaps = ret.gaps || gaps;
last = ret.last ?? last;
gaps = ret.gaps ?? gaps;
}
} else {
// no shells, just infill, is permitted