Merge pull request #182 from ericmueller/Canvas-interaction

Canvas interaction

1 files changed, 7 insertions, 4 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 1a391338..7ce23921 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -362,9 +362,9 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
     
     // start RDGE passing your runtime object, and false to indicate we don't need a an initialization state
     // in the case of a procedurally built scene an init state is not needed for loading data
+        this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
         if (this._useWebGL) {
                 rdgeStarted = true;
-                this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
                 RDGE.globals.engine.unregisterCanvas( this._canvas );
                 RDGE.globals.engine.registerCanvas(this._canvas, this);
                 RDGE.RDGEStart( this._canvas );
@@ -758,7 +758,7 @@ World.prototype.exportJSON = function () {
         // would not be destructive of the data.  You would be wrong...
         // We need to rebuild everything
     if (this._useWebGL) {
-        if (worldObj.children && (worldObj.children.length === 1)) {
+        if (worldObj.children && (worldObj.children.length >= 1)) {
             this.rebuildTree(this._geomRoot);
             this.restartRenderLoop();
                 }
@@ -835,8 +835,11 @@ World.prototype.importJSON = function (jObj) {
 
         // import the objects
         // there should be exactly one child of the parent object
-        if (jObj.children && (jObj.children.length === 1))
-                this.importObjectsJSON( jObj.children[0] );
+        if (jObj.children)
+        {
+                for (var i=0;  i<jObj.children.length;  i++)
+                        this.importObjectsJSON( jObj.children[i] );
+        }
         else
                 throw new Error ("unrecoverable canvas import error - inconsistent root object: " + jObj.children );