2 files changed, 10 insertions, 9 deletions
diff --git a/public/assets/javascripts/rectangles/engine/shapes/polyline.js b/public/assets/javascripts/rectangles/engine/shapes/polyline.js
index e853592..3c4e9c3 100644
--- a/public/assets/javascripts/rectangles/engine/shapes/polyline.js
+++ b/public/assets/javascripts/rectangles/engine/shapes/polyline.js
@@ -1,12 +1,9 @@
 var Polyline = Fiber.extend(function(base){
 	var exports = {}
-	exports.init = function(points){
-    this.points = points
+	exports.init = function(){
+    this.points = []
     this.mx_points = []
     this.closed = false
-    if (points) {
-      this.build()
-    }
 	}
 	exports.add = function(p){
     this.points.push( p )
@@ -138,7 +135,10 @@ var Polyline = Fiber.extend(function(base){
     this.mx.rebuild()
   }
   exports.serialize = function(){
-    return this.points
+    return this.points.map(function(point){ return [point.a, point.b] })
+  }
+  exports.deserialize = function(points){
+    this.points = points.map(function(point){ return new vec2(point[0], point[1]) })
   }
   exports.reset = function(){
     this.mx_points.forEach(function(mx){ scene.remove(mx) })
diff --git a/public/assets/javascripts/rectangles/engine/shapes/shapelist.js b/public/assets/javascripts/rectangles/engine/shapes/shapelist.js
index d8a03b2..1b8acfd 100644
--- a/public/assets/javascripts/rectangles/engine/shapes/shapelist.js
+++ b/public/assets/javascripts/rectangles/engine/shapes/shapelist.js
@@ -73,9 +73,10 @@ var ShapeList = Fiber.extend(function(base){
     })
   }
   exports.deserialize = function(data){
-    data.forEach(function(points){
-      var line = new Polyline(points)
-      this.add(line)
+    data && data.forEach(function(points){
+      var line = new Polyline()
+      line.deserialize(points)
+      line.build()
     }.bind(this))
   }
   return exports