AI_Assistant/grid-apps-cmms
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true shadow improvements

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This commit is contained in:
Stewart Allen 2021-06-01 11:07:20 -04:00
commit 3f1126c7b2
2 changed files with 64 additions and 24 deletions
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3
src/kiri/slicer2.js
View file

@ -837,6 +837,9 @@
return output;
}
Slicer.checkOverUnderOn = checkOverUnderOn;
Slicer.intersectPoints = intersectPoints;
self.kiri.slicer2 = Slicer;
})();

83
src/mode/cam/ops.js
View file

@ -196,7 +196,7 @@
// exclude flats injected to complete shadow
return;
}
data.shadow = shadow.clone(true);
data.shadow = trueShadow ? CAM.shadowAt(widget, data.z) : shadow.clone(true);
data.slice.shadow = data.shadow;
// data.slice.tops[0].inner = data.shadow;
// data.slice.tops[0].inner = POLY.setZ(tshadow.clone(true), data.z);
@ -420,6 +420,7 @@
let shadow = [];
let slices = [];
let indices = slicer.interval(op.down, { down: true, min: zBottom, fit: true, off: 0.01 });
let trueShadow = process.camTrueShadow === true;
// shift out first (top-most) slice
indices.shift();
// add flats to shadow
@ -446,7 +447,7 @@
// exclude flats injected to complete shadow
return;
}
data.shadow = shadow.clone(true);
data.shadow = trueShadow ? CAM.shadowAt(widget, data.z) : shadow.clone(true);
data.slice.shadow = data.shadow;
// data.slice.tops[0].inner = data.shadow;
// data.slice.tops[0].inner = POLY.setZ(tshadow.clone(true), data.z);
@ -911,7 +912,7 @@
prepare(ops, progress) {
let { op, state } = this;
let { settings, widget, sliceAll, tslices, updateToolDiams } = state;
let { settings, widget, sliceAll, updateToolDiams } = state;
let { setTool, setSpindle, setDrill, emitDrills } = ops;
setTool(op.tool, undefined, op.rate);
@ -928,7 +929,7 @@
slice(progress) {
let { op, state } = this;
let { settings, widget, bounds, sliceAll, tslices, zMax, zThru } = state;
let { settings, widget, bounds, sliceAll, zMax, zThru } = state;
let { updateToolDiams } = state;
let tool = new CAM.Tool(settings, op.tool);
@ -1056,7 +1057,7 @@
prepare(ops, progress) {
let { op, state } = this;
let { settings, widget, sliceAll, tslices, updateToolDiams } = state;
let { settings, widget, sliceAll, updateToolDiams } = state;
let { setTool, setSpindle, setDrill, emitDrills } = ops;
if (op.axis === '-') {
@ -1118,7 +1119,7 @@
let trueShadow = state.settings.process.camTrueShadow === true;
let minStepDown = real
.map(op => (op.down || 3) / 3)
.map(op => (op.down || 3) / (trueShadow ? 1 : 3))
.reduce((a,v) => Math.min(a, v, 1));
let tslices = [];
@ -1133,14 +1134,8 @@
}
let terrain = slicer.slice(tzindex, { each: (data, index, total) => {
let downfaces = trueShadow ? CAM.angledFaces(widget, data.z).map(a => {
return newPolygon()
.add(a[0].x,a[0].y,a[0].z)
.add(a[1].x,a[1].y,a[1].z)
.add(a[2].x,a[2].y,a[2].z);
}) : [];
let downunion = POLY.union(downfaces, 0.0001, true);
tshadow = POLY.union(tshadow.slice().appendAll(data.tops).appendAll(downunion), 0.01, true);
let shadowAt = trueShadow ? CAM.shadowAt(widget, data.z) : [];
tshadow = POLY.union(tshadow.slice().appendAll(data.tops).appendAll(shadowAt), 0.01, true);
tslices.push(data.slice);
if (false) {
const slice = data.slice;
@ -1148,9 +1143,9 @@
slice.output()
.setLayer("shadow", {line: 0x888800, thin: true })
.addPolys(POLY.setZ(tshadow.clone(true), data.z), { thin: true });
// slice.output()
// .setLayer("slice", {line: 0x886622, thin: true })
// .addPolys(POLY.setZ(data.tops.clone(true), data.z), { thin: true });
slice.output()
.setLayer("slice", {line: 0x886622, thin: true })
.addPolys(POLY.setZ(data.tops.clone(true), data.z), { thin: true });
// let p1 = [], p2 = [], cp = p1;
// for (let line of data.lines) {
// cp.push(line.p1);
@ -1179,7 +1174,7 @@
}
}
CAM.angledFaces = function(widget, z) {
CAM.shadowAt = function(widget, z, ztop) {
let geo = new THREE.BufferGeometry();
geo.setAttribute('position', new THREE.BufferAttribute(widget.vertices, 3));
let rad = (Math.PI / 180);
@ -1194,18 +1189,60 @@
let a = new THREE.Vector3(array[ip++], array[ip++], array[ip++]);
let b = new THREE.Vector3(array[ip++], array[ip++], array[ip++]);
let c = new THREE.Vector3(array[ip++], array[ip++], array[ip++]);
// skip faces below threshold
if (a.z < z || b.z < z || c.z < z) {
let where = undefined;
if (ztop && a.z > ztop && b.z > ztop && c.z > ztop) {
// skip faces over top threshold
continue;
}
if (a.z < z && b.z < z && c.z < z) {
// skip faces under threshold
continue;
} else if (a.z > z && b.z > z && c.z > z) {
// limit to selected faces over threshold
let norm = THREE.computeFaceNormal(a,b,c);
// limit to downward faces
if (norm.z > thresh) {
if (norm.z < thresh) {
continue;
}
found.push([a,b,c]);
continue;
} else {
// check faces straddling threshold
where = {under: [], over: [], on: []};
}
if (where) {
let { checkOverUnderOn, intersectPoints } = self.kiri.slicer2;
checkOverUnderOn(newPoint(a.x, a.y, a.z), z, where);
checkOverUnderOn(newPoint(b.x, b.y, b.z), z, where);
checkOverUnderOn(newPoint(c.x, c.y, c.z), z, where);
if (where.on.length === 0 && (where.over.length === 2 || where.under.length === 2)) {
// compute two point intersections and construct line
let line = intersectPoints(where.over, where.under, z);
if (line.length === 2) {
if (where.over.length === 2) {
found.push([where.over[0], line[0], line[1]]);
found.push([where.over[1], line[0], line[1]]);
found.push([where.over[0], where.over[1], line[1]]);
found.push([where.over[0], where.over[1], line[0]]);
} else {
found.push([where.over[0], line[0], line[1]]);
}
} else {
console.log({msg: "invalid ips", line: line, where: where});
}
}
continue;
} else {
continue;
}
found.push([a,b,c]);
}
return found;
let polys = found.map(a => {
return newPolygon()
.add(a[0].x,a[0].y,a[0].z)
.add(a[1].x,a[1].y,a[1].z)
.add(a[2].x,a[2].y,a[2].z);
});
return POLY.union(polys, 0.0001, true);
};
CAM.OPS = CamOp.MAP = {