Changed resizing for icons

lib/network/Node.js

@@ -1015,19 +1015,19 @@ Node.prototype._drawText = function (ctx) {
 Node.prototype._resizeIcon = function (ctx) {
   if (!this.width) {
     var margin = 5;
-    var textSize =
+    var iconSize =
     {
-      width: 1,
+      width: Number(this.options.iconSize),
       height: Number(this.options.iconSize) + 4
     };
-    this.width = textSize.width + 2 * margin;
-    this.height = textSize.height + 2 * margin;
+    this.width = iconSize.width + 2 * margin;
+    this.height = iconSize.height + 2 * margin;
 
     // scaling used for clustering
     this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor;
     this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor;
     this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor;
-    this.growthIndicator = this.width - (textSize.width + 2 * margin);
+    this.growthIndicator = this.width - (iconSize.width + 2 * margin);
   }
 };