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new approach to extreme miter points

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This commit is contained in:
Stewart Allen 2020-12-19 23:24:03 -05:00
commit 8cb0f37b26
3 changed files with 24 additions and 3 deletions
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8
src/geo/polygon.js
View file

@ -287,7 +287,13 @@
for (let i=0; i<pln; i++) {
const p = pa[(i+pln) % pln];
const d = ang[(i+pln) % pln];
if (d > 90) {
if (d > 179) {
const s = slo[(i+pln) % pln];
const pp = pa[(i+pln-1) % pln];
const ps = slo[(i+pln-1) % pln];
newp.push(p.follow(p.slopeTo(pp).normal(), 0.001));
newp.push(p.follow(s.clone().normal().invert(), 0.001));
} else if (d > 90) {
const s = slo[(i+pln) % pln];
const pp = pa[(i+pln-1) % pln];
const ps = slo[(i+pln-1) % pln];

11
src/geo/slope.js
View file

@ -44,6 +44,10 @@
return [this.dx, this.dy, this.angle].join(',');
};
PRO.clone = function() {
return new Slope(null, null, this.dx, this.dy);
};
/**
* @param {Slope} s
* @returns {boolean}
@ -70,6 +74,13 @@
return this;
};
PRO.invert = function() {
this.dx = -this.dx;
this.dy = -this.dy;
this.angle = Math.atan2(this.dy, this.dx) * RAD2DEG;
return this;
}
PRO.toUnit = function() {
let max = Math.max(ABS(this.dx), ABS(this.dy));
this.dx = this.dx / max;

8
src/mode/fdm/prepare.js
View file

@ -491,8 +491,12 @@
if (lastOut.emit !== out.emit) {
heads.push({p1: lastOut.point, p2: out.point});
}
const op = out.point, lp = lastOut.point,
moved = (op.x !== lp.x) || (op.y !== lp.y) || (op.z !== lp.z);;
const op = out.point, lp = lastOut.point;
// const moved = Math.max(
// Math.abs(op.x - lp.x),
// Math.abs(op.y - lp.y),
// Math.abs(op.z - lp.z));
// if (moved < 0.0001) return;
if (out.emit) {
if (!lastOut.emit || (ckspeed && out.speed !== lastOut.speed) || lastEnd) {
current = newPolygon().setOpen();