PCB stuff started

src/pcb.js

@@ -0,0 +1,42 @@
+const m = require('makerjs')
+const u = require('./utils')
+const a = require('./assert')
+
+const makerjs2kicad = exports._makerjs2kicad = model => {
+    const grs = []
+    const xy = val => `${val[0]} ${val[1]}`
+    m.model.walk(model, {
+        onPath: wp => {
+            const p = wp.pathContext
+            switch (p.type) {
+                case 'line':
+                    grs.push(`(gr_line (start ${xy(p.origin)}) (end ${xy(p.end)}) (angle 90) (layer Edge.Cuts) (width 0.15))`)
+                    break
+                case 'arc':
+                    // console.log(require('util').inspect(p, false, 200))
+                    // throw 2
+                    const center = p.origin
+                    const angle_start = Math.min(p.startAngle, p.endAngle)
+                    const angle_diff = Math.abs(p.endAngle - p.startAngle)
+                    const end = m.point.rotate(m.point.add(center, [p.radius, 0]), angle_start, center)
+                    grs.push(`(gr_arc (start ${xy(center)}) (end ${xy(end)}) (angle ${angle_diff}) (layer Edge.Cuts) (width 0.15))`)
+                    break
+                case 'circle':
+                    break
+                default:
+                    throw new Error(`Can't convert path type "${p.type}" to kicad!`)
+            }
+        }
+    })
+    return grs
+}
+
+exports.parse = (config, points, outlines) => {
+    a.detect_unexpected(config, 'pcb', ['edge', 'footprints'])
+    const edge = outlines[config.edge]
+    if (!edge) throw new Error(`Field "pcb.edge" doesn't name a valid outline!`)
+    const kicad_edge = makerjs2kicad(edge)
+
+    console.log(kicad_edge.join('\n'))
+    throw 28
+}