Ergogen reorg

src/utils.js

@@ -0,0 +1,44 @@
+const m = require('makerjs')
+
+exports.deepcopy = (value) => JSON.parse(JSON.stringify(value))
+
+const eq = exports.eq = (a=[], b=[]) => {
+    return a[0] === b[0] && a[1] === b[1]
+}
+
+const line = exports.line = (a, b) => {
+    return new m.paths.Line(a, b)
+}
+
+exports.circle = (p, r) => {
+    return new m.paths.Circle(p, r)
+}
+
+exports.rect = (w, h, o=[0, 0], mirrored=false) => {
+    const res = {
+        top:    line([0, h], [w, h]),
+        right:  line([w, h], [w, 0]),
+        bottom: line([w, 0], [0, 0]),
+        left:   line([0, 0], [0, h])
+    }
+    if (mirrored) {
+        for (const segment of Object.values(res)) {
+            [segment.origin, segment.end] = [segment.end, segment.origin] 
+        }
+    }
+    return m.model.move({paths: res}, o)
+}
+
+exports.poly = (arr) => {
+    let counter = 0
+    let prev = arr[arr.length - 1]
+    const res = {
+        paths: {}
+    }
+    for (const p of arr) {
+        if (eq(prev, p)) continue
+        res.paths['p' + (++counter)] = line(prev, p)
+        prev = p
+    }
+    return res
+}