Editor: Only rebuild geometry sidebar if type has changed.

editor/js/Sidebar.Geometry.js

@@ -61,6 +61,8 @@ var SidebarGeometry = function ( editor ) {
 	container.setDisplay( 'none' );
 	container.setPaddingTop( '20px' );
 
+	var currentGeometryType = null;
+
 	// Actions
 
 	/*
@@ -215,6 +217,8 @@ var SidebarGeometry = function ( editor ) {
 
 			//
 
+			if ( currentGeometryType !== geometry.type ) {
+
 				parameters.clear();
 
 				if ( geometry.type === 'BufferGeometry' || geometry.type === 'Geometry' ) {
@@ -227,6 +231,10 @@ var SidebarGeometry = function ( editor ) {
 
 				}
 
+				currentGeometryType = geometry.type;
+
+			}
+
 			if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();
 
 			geometryBoundingSphere.setValue( Math.floor( geometry.boundingSphere.radius * 1000 ) / 1000 );