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clip surface outline poly to shadow

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This commit is contained in:
Stewart Allen 2022-04-07 10:13:55 -04:00
commit e761079c78
2 changed files with 26 additions and 26 deletions
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4
src/kiri-mode/cam/driver.js
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@ -44,7 +44,7 @@ kiri.load(api => {
// delete this face group
delete surfaces[root];
CAM.surface_show(widget);
ondone(Object.keys(surfaces));
ondone(Object.keys(surfaces).map(v => parseInt(v)));
return;
}
}
@ -53,7 +53,7 @@ kiri.load(api => {
surfaces[face] = faces;
CAM.surface_show(widget);
}
ondone(Object.keys(surfaces));
ondone(Object.keys(surfaces).map(v => parseInt(v)));
});
};

48
src/kiri-mode/cam/ops.js
View file

@ -930,8 +930,6 @@ class OpPocket extends CamOp {
let { process, stock } = settings;
// generate tracing offsets from chosen features
let sliceOut = this.sliceOut = [];
let surface = op.surfaces[widget.id] || [];
let faces = CAM.surface_find(widget, surface);
let toolDiam = new CAM.Tool(settings, tool).fluteDiameter();
let toolOver = toolDiam * op.step;
let cutdir = process.camConventional;
@ -941,32 +939,25 @@ class OpPocket extends CamOp {
tab.off = POLY.expand([tab.poly], toolDiam / 2).flat();
});
}
let vert = widget.getVertices().array;
let polys = [];
for (let face of faces) {
let i = face * 9;
polys.push(newPolygon()
.add(vert[i++], vert[i++], vert[i++])
.add(vert[i++], vert[i++], vert[i++])
.add(vert[i++], vert[i++], vert[i++])
);
}
polys = POLY.union(polys, undefined, true);
polys = POLY.setWinding(polys, cutdir, false);
function newSliceOut(z) {
let slice = newSlice(z);
sliceAll.push(slice);
sliceOut.push(slice);
return slice;
}
let shadows = {};
function clearZ(polys, z, down) {
let zs = down ? base.util.lerp(zTop, z, down) : [ z ];
let nested = POLY.nest(polys);
for (let poly of nested) {
for (let z of zs) {
let shadow = shadows[z] || CAM.shadowAt(widget, z);
shadows[z] = shadow;
let clip = [];
POLY.subtract([poly], shadow, clip);
let slice = newSliceOut(z);
slice.camTrace = { tool, rate, plunge };
POLY.offset([ poly ], -toolOver, {
POLY.offset(clip, -toolOver, {
count:999, outs: slice.camLines = [], flat:true, z
});
if (tabs) {
@ -981,15 +972,24 @@ class OpPocket extends CamOp {
}
}
}
// connect selected segments if open and touching
polys = healPolys(polys);
let zmap = {};
for (let poly of polys) {
let z = poly.getZ();
(zmap[z] = zmap[z] || []).push(poly);
}
for (let [zv, polys] of Object.entries(zmap)) {
clearZ(polys, parseFloat(zv), down);
let polys = [];
let vert = widget.getVertices().array.map(v => v.round(4));
for (let surface of op.surfaces[widget.id] || []) {
let outline = [];
let faces = CAM.surface_find(widget, [surface]);
let zmin = Infinity;
for (let face of faces) {
let i = face * 9;
outline.push(newPolygon()
.add(vert[i++], vert[i++], zmin = Math.min(zmin, vert[i++]))
.add(vert[i++], vert[i++], zmin = Math.min(zmin, vert[i++]))
.add(vert[i++], vert[i++], zmin = Math.min(zmin, vert[i++]))
);
}
outline = POLY.union(outline, undefined, true);
outline = POLY.setWinding(outline, cutdir, false);
outline = healPolys(outline);
clearZ(outline, zmin, down);
}
}