From e14abe64e6fe1aec51ddeb02a4999ec1287d949d Mon Sep 17 00:00:00 2001
From: Hunter Trujillo <faustianightmare@gmail.com>
Date: Tue, 14 Apr 2015 06:40:43 -0600
Subject: [PATCH] Return actual canvas coordinates whenever an item is added.

---
 js/canvas.js |  2 ++
 js/isomer.js | 12 ++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/js/canvas.js b/js/canvas.js
index 23da555..d222059 100644
--- a/js/canvas.js
+++ b/js/canvas.js
@@ -28,6 +28,8 @@ Canvas.prototype.path = function(points, color) {
   this.ctx.stroke();
   this.ctx.fill();
   this.ctx.restore();
+
+  return points;
 };
 
 module.exports = Canvas;
diff --git a/js/isomer.js b/js/isomer.js
index 7aa5104..80ad02b 100644
--- a/js/isomer.js
+++ b/js/isomer.js
@@ -72,20 +72,24 @@ Isomer.prototype._translatePoint = function(point) {
  * This method also accepts arrays
  */
 Isomer.prototype.add = function(item, baseColor) {
+  var canvasPaths = [];
+
   if (Object.prototype.toString.call(item) == '[object Array]') {
     for (var i = 0; i < item.length; i++) {
-      this.add(item[i], baseColor);
+      canvasPaths.concat(this.add(item[i], baseColor));
     }
   } else if (item instanceof Path) {
-    this._addPath(item, baseColor);
+    return [this._addPath(item, baseColor)];
   } else if (item instanceof Shape) {
     /* Fetch paths ordered by distance to prevent overlaps */
     var paths = item.orderedPaths();
 
     for (var j = 0; j < paths.length; j++) {
-      this._addPath(paths[j], baseColor);
+      canvasPaths.push(this._addPath(paths[j], baseColor));
     }
   }
+
+  return canvasPaths;
 };
 
 
@@ -109,7 +113,7 @@ Isomer.prototype._addPath = function(path, baseColor) {
   var brightness = Vector.dotProduct(normal, this.lightAngle);
   var color = baseColor.lighten(brightness * this.colorDifference, this.lightColor);
 
-  this.canvas.path(path.points.map(this._translatePoint.bind(this)), color);
+  return this.canvas.path(path.points.map(this._translatePoint.bind(this)), color);
 };
 
 /**