Ergogen reorg

src/point.js

@@ -0,0 +1,71 @@
+const m = require('makerjs')
+const u = require('./utils')
+
+class Point {
+    constructor(x=0, y=0, r=0, meta={}) {
+        if (Array.isArray(x)) {
+            this.x = x[0]
+            this.y = x[1]
+            this.r = 0
+            this.meta = {}
+        } else {
+            this.x = x
+            this.y = y
+            this.r = r
+            this.meta = meta
+        }
+    }
+
+    get p() {
+        return [this.x, this.y]
+    }
+
+    set p(val) {
+        [this.x, this.y] = val
+    }
+
+    add(a) {
+        const res = this.clone()
+        res.x += a[0]
+        res.y += a[1]
+        return res
+    }
+
+    shift(s) {
+        this.x += s[0]
+        this.y += s[1]
+        return this
+    }
+
+    rotate(angle, origin=[0, 0]) {
+        this.p = m.point.rotate(this.p, angle, origin)
+        this.r += angle
+        return this
+    }
+
+    mirror(x) {
+        this.x = 2 * x - this.x
+        this.r = -this.r
+        return this
+    }
+
+    clone() {
+        return new Point(
+            this.x,
+            this.y,
+            this.r,
+            u.deepcopy(this.meta)
+        )
+    }
+
+    position(model) {
+        return m.model.moveRelative(m.model.rotate(model, this.r), this.p)
+    }
+
+    rect(size=14) {
+        let rect = u.rect(size, size, [-size/2, -size/2], this.meta.mirrored)
+        return this.position(rect)
+    }
+}
+
+module.exports = Point