add missing sketch module, remove logic

package.json

@@ -36,7 +36,6 @@
         "earcut": "^2.2.3",
         "express-useragent": "^1.0.13",
         "jszip": "^3.7.1",
-        "logicjs": "^1.0.0",
         "manifold-3d": "^2.5.1",
         "moment": "^2.29.4",
         "serve-static": "^1.14.1",

src/mesh/sketch.js

@@ -0,0 +1,91 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+"use strict";
+
+// dep: add.array
+// dep: add.three
+// dep: moto.license
+// dep: moto.client
+// dep: mesh.object
+// use: mesh.api
+// use: mesh.util
+// use: mesh.group
+gapp.register("mesh.sketch", [], (root, exports) => {
+
+const { MeshBasicMaterial, LineBasicMaterial, LineSegments, DoubleSide } = THREE;
+const { PlaneGeometry, EdgesGeometry, SphereGeometry, Group, Mesh } = THREE;
+const { mesh, moto } = root;
+const { space } = moto;
+
+const mapp = mesh;
+const worker = moto.client.fn;
+
+const material = {
+    plane: new MeshBasicMaterial({ color: 0x888888, side: DoubleSide, transparent: true, opacity: 0.25 }),
+    outline: new LineBasicMaterial({ color: 0x88dddd, side: DoubleSide, transparent: true, opacity: 0.25 }),
+    handle: new MeshBasicMaterial({ color: 0x88dddd, side: DoubleSide, transparent: true, opacity: 0.25 }),
+    highlight: new LineBasicMaterial({ color: 0x88ffdd, side: DoubleSide, transparent: true, opacity: 0.5 }),
+    selected: new MeshBasicMaterial({ color: 0x88aa88, side: DoubleSide, transparent: true, opacity: 0.25 }),
+};
+
+/** 2D plane containing open and closed polygons which can be extruded **/
+mesh.sketch = class MeshSketch extends mesh.object {
+    constructor(model, face, id) {
+        super(id);
+
+        const planeGeometry = new PlaneGeometry(10, 10);
+        const planeMaterial = material.plane;
+        const plane = this.plane = new Mesh(planeGeometry, planeMaterial);
+
+        const outlineGeometry = new EdgesGeometry(planeGeometry);
+        const outlineMaterial = material.outline;
+        const outline = this.outline = new LineSegments(outlineGeometry, outlineMaterial);
+        plane.add(outline);
+
+        const handleGeometry = new SphereGeometry(0.2, 16, 16);
+        const handleMaterial = material.handle;
+
+        const handles = [];
+        const corners = [ [-5, 5, 0], [5, 5, 0], [-5, -5, 0], [5, -5, 0] ];
+
+        for (let corner of corners) {
+            const handle = new Mesh(handleGeometry, handleMaterial);
+            handle.position.set(...corner);
+            plane.add(handle);
+            handles.push(handle);
+        }
+    }
+
+    get type() {
+        return "sketch";
+    }
+
+    get object() {
+        return this.plane;
+    }
+
+    rename(newname) {
+        this.file = newname;
+    }
+
+    highlight() {
+        this.outline.material = material.highlight;
+    }
+
+    unhighlight() {
+        this.outline.material = material.outline;
+    }
+
+    select(bool) {
+        if (bool === undefined) {
+            return this.plane.material === material.selected;
+        }
+        if (bool.toggle) {
+            return this.select(!this.select());
+        }
+        return this.plane.material = (bool ? material.selected : material.plane);
+    }
+
+}
+
+});