fix box array for union/intersect

This commit is contained in:
Stewart Allen 2022-01-29 23:38:52 -05:00
commit 8e731a01ef
4 changed files with 40 additions and 37 deletions

View file

@ -465,7 +465,7 @@
// two with the greatest delta to pass to the earcut algorith, then returns
// an unwrapped array in the original dimensions
function triangulate(array, holes, dims) {
let narray, d1, d2;
let narray;
if (dims === 2) {
narray = array;
} else {
@ -482,8 +482,7 @@
for (let i=0; i<dims; i++) {
delta[i] = max[i] - min[i];
}
console.log({delta: delta.slice()});
let dmax = 0; //d1, d2, dmax = 0;
let dmax = 0, d1, d2;
for (let i=0; i<dims; i++) {
if (delta[i] > dmax) {
dmax = delta[i];
@ -511,7 +510,6 @@
oa[e++] = array[ ai + j ];
}
}
console.log({d1, d2, array, narray, ec, oa});
return oa;
}

View file

@ -405,10 +405,6 @@ let tool = {
id: m.id, opt
}).then(data => {
if (data) {
// mesh.api.group.new([new mesh.model({
// file: `healed`,
// mesh: data.vertices
// })]).floor().centerXY().setSelected();
m.reload(
data.vertices,
data.indices,

View file

@ -162,17 +162,27 @@ mesh.model = class MeshModel extends mesh.object {
return;
}
worker.model_rebuild({
mode: opt.mode || 'slice',
matrix: this.matrix,
id: this.id
}).then(data => {
let points = [];
for (let i=0; i<data.length;) {
points.push(new THREE.Vector3(data[i++], data[i++], data[i++]));
let { vertices, lines } = data;
if (vertices) {
mesh.api.group.new([new mesh.model({
file: `healed`,
mesh: data.vertices
})]).floor().centerXY().setSelected();
}
if (lines) {
let points = [];
for (let i=0; i<lines.length;) {
points.push(new THREE.Vector3(lines[i++], lines[i++], lines[i++]));
}
let material = new THREE.LineBasicMaterial( { color: 0xdddddd } );
let geometry = new THREE.BufferGeometry().setFromPoints(points);
let segments = this.lines = new THREE.LineSegments(geometry, material);
space.scene.add(segments);
}
let material = new THREE.LineBasicMaterial( { color: 0xdddddd } );
let geometry = new THREE.BufferGeometry().setFromPoints(points);
let lines = this.lines = new THREE.LineSegments(geometry, material);
space.scene.add(lines);
});
}

View file

@ -245,26 +245,6 @@ let model = {
let tool = analyze(id, opt);
log(`${id} | unrolling...`);
let unrolled = tool.unrolled();
// log(`${id} | intersecting...`);
// let box = new THREE.BoxGeometry(10000, 10000, 10000).attributes.position.array;
// box = base.CSG.Solid.fromPositionArray(box);
//
// let solid = base.CSG.Solid.fromPositionArray(unrolled);
// // let inter = box.intersect(solid);
// let inter = solid.union(solid.clone());
// let ears = inter.polygons
// .map(p => p.vertices.map(v => v.pos))
// .map(a => {
// let pa = a.map( v => [ v.x, v.y, v.z ]).flat().map(v => v.round(2));
// let ec = base.util.triangulate(pa, undefined, 3);
// console.log({pa, ec});
// return ec;
// });//.flat();
//
// console.log({solid, inter, ears, ef: ears.flat()});
// unrolled = ears.flat();
return {
vertices: unrolled.toFloat32(),
};
@ -316,11 +296,30 @@ let model = {
},
rebuild(data, send) {
send.async();
let { id, matrix, mode } = data;
log(`${id} | rebuilding...`);
let points = translate_encode(id, matrix);
log(`${id} | ${points.length} points`);
if (mode === 'csg') {
log(`${id} | intersecting...`);
let box = base.CSG.Solid.fromPositionArray(
new THREE.BoxGeometry(3000, 3000, 3000)
.toNonIndexed().attributes.position.array
);
let solid = base.CSG.Solid.fromPositionArray(points);
let solution = box.intersect(solid);
let vertices = solution.polygons
.map(p => p.vertices.map(v => v.pos))
.map(a => {
let pa = a.map( v => [ v.x, v.y, v.z ]).flat();
let ec = base.util.triangulate(pa, undefined, 3);
return ec;
}).flat().toFloat32();
return { vertices };
}
send.async();
let layers = [];
base.slice(points, {
autoDim: true,
@ -357,7 +356,7 @@ let model = {
});
}).finally(() => {
log(`${id} | rebuild complete`);
send.done(layers);
send.done({ lines: layers });
});;
}
};