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fix topo4 and linear lathe with workers

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This commit is contained in:
Stewart Allen 2025-07-12 19:11:39 -04:00
commit f314e3b40c
4 changed files with 31 additions and 16 deletions
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33
src/kiri/mode/cam/topo4.js
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@ -17,7 +17,7 @@ function scale(fn, factor = 1, base = 0) {
}
}
class Topo {
export class Topo {
constructor() { }
async generate(opt = {}) {
@ -296,7 +296,7 @@ class Topo {
}
async latheWorker(onupdate) {
const { sliced, tool, zoff, leave } = this;
const { sliced, tool, zoff, leave, linear } = this;
const rota = this.angle * DEG2RAD;
const steps = (Math.PI * 2) / rota;
@ -319,19 +319,32 @@ class Topo {
onupdate(count / steps);
}
count = recs[0].heights.length / 3;
count = linear ? recs.length : recs[0].heights.length / 3;
// count = recs[0].heights.length / 3;
while (count-- > 0) {
let slice = newSlice(count);
slice.camLines = [ newPolygon().setOpen() ];
paths.push(slice);
}
for (let rec of recs) {
const { degrees, heights } = rec;
[...heights].group(3).forEach((a,i) => {
// progress each path 360 degrees to prevent A rolling backwards
paths[i].camLines[0].push( newPoint(a[0], a[1], a[2] + leave).setA(degrees + i * -360) );
if (linear) {
recs.forEach((rec,i) => {
const { degrees, heights } = rec;
[...heights].group(3).forEach((a) => {
paths[i].camLines[0].push( newPoint(a[0], a[1], a[2] + leave).setA(degrees) );
});
if (i % 2 === 1) {
paths[i].camLines[0].reverse();
}
});
} else {
for (let rec of recs) {
const { degrees, heights } = rec;
[...heights].group(3).forEach((a,i) => {
// progress each path 360 degrees to prevent A rolling backwards
paths[i].camLines[0].push( newPoint(a[0], a[1], a[2] + leave).setA(degrees + i * -360) );
});
}
}
for (let slice of paths) {
@ -395,8 +408,6 @@ class Topo {
await Promise.all(promises);
recs.sort((a, b) => { return b.angle - a.angle });
// let linear = true;
count = linear ? recs.length : recs[0].heights.length / 3;
while (count-- > 0) {
let slice = newSlice(count);
@ -468,6 +479,6 @@ export function rotatePoints(lines, rot) {
new THREE.BufferAttribute(lines, 3).applyMatrix4(rot);
}
export function Topo4(opt) {
export async function generate(opt) {
return new Topo().generate(opt);
};