wire up basic slicing visualization

src/mesh/build.js

@@ -299,7 +299,7 @@ function ui_build() {
             // h.div({ class: "vsep" }),
             h.button({ _: 'automatic', onclick: tool.repair }),
             h.button({ _: 'analyze', onclick: tool.analyze }),
-            h.button({ _: 'rebuild', onclick: tool.rebuild }),
+            // h.button({ _: 'rebuild', onclick: tool.rebuild }),
             h.button({ _: 'clean', onclick: tool.clean }),
         ]),
     ]);

src/mesh/model.js

@@ -158,7 +158,21 @@ mesh.model = class MeshModel extends mesh.object {
             matrix: this.matrix,
             id: this.id
         }).then(data => {
-            console.log({rebuild: this.od, data});
+            console.log({rebuild: this.id, data});
+            let points = [];
+            for (let arr of data) {
+                arr.push(arr[0]);
+                for (let i=0; i<arr.length-1; i++) {
+                    let p1 = arr[i];
+                    let p2 = arr[i+1];
+                    points.push(new THREE.Vector3().fromArray(p1));
+                    points.push(new THREE.Vector3().fromArray(p2));
+                }
+            }
+            let material = new THREE.LineBasicMaterial( { color: 0xdddddd } );
+            let geometry = new THREE.BufferGeometry().setFromPoints(points);
+            let line = new THREE.LineSegments(geometry, material);
+            space.scene.add(line);
         });
     }
 

src/mesh/work.js

@@ -291,16 +291,23 @@ let model = {
         return { faces, edges, verts, point };
     },
 
-    rebuild(data) {
+    rebuild(data, send) {
+        send.async();
         let { id, matrix } = data;
         log(`${id} | rebuilding...`);
         let points = translate_encode(id, matrix);
         log(`${id} | ${points.length} points`);
-        base.slice(points, { flat: true, autoDim: true }).then(sliced => {
-            console.log({sliced});
-            log(`${id} | ${sliced.length} slices`);
-        });
-        return [];
+        base.slice(points, { flat: true, autoDim: true, zinc: 0 })
+            .then(sliced => {
+                let layers = [];
+                log(`${id} | ${sliced.length} slices`);
+                for (let slice of sliced) {
+                    for (let poly of slice.groups) {
+                        layers.push(poly.points.map(p => [ p.x, p.y, p.z ]));
+                    }
+                }
+                send.done(layers);
+            });
     }
 };