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add shell width stepping

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This commit is contained in:
Stewart Allen 2025-09-21 14:56:56 -04:00
commit 82a429c13a
1 changed files with 8 additions and 2 deletions
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10
src/kiri/mode/fdm/post.js
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@ -239,12 +239,15 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
showMedialAxis, showMedialAxis,
showChainIntersect, showChainIntersect,
minArea = midR * midR, minArea = midR * midR,
shellStep = 1 / 30, // diameter step as % of nozzle
lines = [], lines = [],
polys = [], polys = [],
remain = [], remain = [],
trace = [], trace = [],
shell = 0 shell = 0
} = opt; } = opt;
let sstep = 1 / shellStep;
let insets = []; let insets = [];
let scale = 1000; let scale = 1000;
let dstep = minR / 4; let dstep = minR / 4;
@ -482,17 +485,20 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
} }
let op; let op;
if (pop.length === 1) { if (pop.length === 1) {
// let rad_step = ((pop[0] * sstep) | 0) / sstep;
// for single wall place it exactly on medial axis // for single wall place it exactly on medial axis
nupoly.push(new Point(min.x, min.y)); nupoly.push(new Point(min.x, min.y));
trace.push(op = { x: min.x, y: min.y, r: mr, sno }) trace.push(op = { x: min.x, y: min.y, r: mr, sno })
} else { } else {
// radius rounded to nearest step
let rad_step = ((pop[0] * sstep) | 0) / sstep;
// otherwise use first division // otherwise use first division
// compensate for minimal inset // compensate for minimal inset
let off = -dstep + pop[0]; let off = -dstep + rad_step;
trace.push(op = { trace.push(op = {
x: np1.x + dy * off, x: np1.x + dy * off,
y: np1.y - dx * off, y: np1.y - dx * off,
r: pop[0], r: rad_step,
sno sno
}) })
// trace inset by full diameter // trace inset by full diameter