From fa1245d6a5bb58770c771383e527ee1594cc9c04 Mon Sep 17 00:00:00 2001
From: danzel <danzel@localhost.geek.nz>
Date: Fri, 27 Jul 2012 15:58:19 +1200
Subject: [PATCH] Be more careful tidying up _projCenter otherwise it is still
 set later and we fail at clustering randomly

---
 src/MarkerClusterGroup.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/MarkerClusterGroup.js b/src/MarkerClusterGroup.js
index 796e0ec01..ed2b26ce6 100644
--- a/src/MarkerClusterGroup.js
+++ b/src/MarkerClusterGroup.js
@@ -232,6 +232,8 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 			if (this._sqDist(markerPos, mPos) <= clusterDiameterSqrd) {
 				//Create a new cluster with these 2
 				var newCluster = new L.MarkerCluster(this, m, newMarker);
+				delete m._projCenter;
+				delete newMarker._projCenter;
 
 				unclusteredMarkers.splice(i, 1);
 				return newCluster;
@@ -263,6 +265,7 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 				c = clusters[j];
 				if (this._sqDist(point._projCenter, c._projCenter) <= clusterRadiusSqrd) {
 					c._addChild(point);
+					delete point._projCenter;
 					c._projCenter = this._map.project(c.getLatLng(), zoom);
 
 					used = true;