From 26ab9e3aa441a57eb02e4c8cb0f8c04f0ca92e9f Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Thu, 25 Jul 2019 13:16:25 -0400
Subject: [PATCH] Add support for 'z' command in SVG paths (#12)

---
 js/pattern.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/js/pattern.js b/js/pattern.js
index 6541aee..eea274b 100755
--- a/js/pattern.js
+++ b/js/pattern.js
@@ -195,6 +195,7 @@ function initPattern(globals){
                 console.warn("path parser not supported");
                 return;
             }
+            var startVertex = null;
             var segments = path.getPathData();
             for (var j=0;j<segments.length;j++){
                 var segment = segments[j];
@@ -210,6 +211,7 @@ function initPattern(globals){
                             vertex.x += segment.values[0];
                             vertex.z += segment.values[1];
                         }
+                        startVertex = _verticesRaw.length;
                         _verticesRaw.push(vertex);
                         pathVertices.push(vertex);
                         break;
@@ -244,6 +246,7 @@ function initPattern(globals){
 
                     case "M"://x, y
                         var vertex = new THREE.Vector3(segment.values[0], 0, segment.values[1]);
+                        startVertex = _verticesRaw.length;
                         _verticesRaw.push(vertex);
                         pathVertices.push(vertex);
                         break;
@@ -272,6 +275,14 @@ function initPattern(globals){
                         _verticesRaw.push(vertex);
                         pathVertices.push(vertex);
                         break;
+
+                    case "z":
+                    case "Z":
+                        if (startVertex != null) {
+                            _segmentsRaw.push([_verticesRaw.length-1, startVertex]);
+                            startVertex = null;
+                        }
+                        break;
                 }
             }
             for (var j=0;j<pathVertices.length;j++){