allow default layer off. disable moves layers default

src/kiri/codec.js

@@ -115,7 +115,8 @@
                 faces: codec.allocFloat32Array(layer.faces),
                 color: layer.color,
                 paths: layer.paths,
-                cpath: layer.cpath
+                cpath: layer.cpath,
+                off: layer.off
             } })
         };
         return enc;
@@ -130,7 +131,8 @@
                 faces: v.data[i].faces,
                 color: v.data[i].color,
                 paths: v.data[i].paths,
-                cpath: v.data[i].cpath
+                cpath: v.data[i].cpath,
+                off: v.data[i].off
             };
         }
         return render;

src/kiri/render.js

@@ -18,7 +18,7 @@
             };
         }
 
-        setLayer(layer, colors) {
+        setLayer(layer, colors, off) {
             let layers = this.layers;
             if (typeof(colors) === 'number') {
                 colors = {
@@ -28,6 +28,7 @@
                 };
             }
             this.current = layers[layer] = layers[layer] || {
+                off: off === true,
                 lines: [],
                 polys: [],
                 faces: [],

src/kiri/stacks.js

@@ -105,8 +105,10 @@
                     })
                 };
             }
+            const defstate = !data.off;
             const ctrl = DYN[label];
-            ctrl.toggle.checked = true;
+
+            ctrl.toggle.checked = defstate;
 
             const { polys, lines, faces, paths, cpath } = data;
             if (polys.length || lines.length) {
@@ -127,6 +129,7 @@
                     group.add(new THREE.LineSegments(geo, mat));
                 }
                 ctrl.group.push(mat);
+                mat.visible = defstate;
             }
             if (faces.length) {
                 const mat = newMat(data);
@@ -139,6 +142,7 @@
                 mesh.receiveShadow = true;
                 group.add(mesh);
                 ctrl.group.push(mat);
+                mat.visible = defstate;
             }
             if (paths.length) {
                 let mat = [];
@@ -147,6 +151,7 @@
                 } else {
                     mat.push(newMat(data));
                 }
+                mat.forEach(m => m.visible = defstate);
                 // const mat = newMat(data);
                 paths.forEach((path, i) => {
                     const { index, faces, z, colors } = path;

src/mode/fdm/prepare.js

@@ -455,7 +455,7 @@
             }
 
             output
-                .setLayer('move', moveColor)
+                .setLayer('move', moveColor, true)
                 .addPolys(moves, { thin: true, z: opts.z });
             Object.values(prints).forEach(array => {
                 array.forEach(poly => {