JavaScriptCollection
diff --git a/‎d3.js‎
Lines changed: 6 additions & 11 deletions b/‎d3.js‎
Lines changed: 6 additions & 11 deletions
@@ -1227,9 +1227,9 @@
       x: 0,
       y: 0,
       k: 1
-    }, translate0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
+    }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
     function zoom(g) {
-      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on(mousemove, mousewheelreset).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
+      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
     }
     zoom.event = function(g) {
       g.each(function() {
@@ -1371,7 +1371,7 @@
         zoomed(dispatch);
       }
       function ended() {
-        subject.on(mousemove, d3_window === that ? mousewheelreset : null).on(mouseup, null);
+        subject.on(mousemove, null).on(mouseup, null);
         dragRestore(dragged && d3.event.target === target);
         zoomended(dispatch);
       }
@@ -1449,22 +1449,17 @@
     }
     function mousewheeled() {
       var dispatch = event.of(this, arguments);
-      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
-      zoomstarted(dispatch);
+      if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)), 
+      d3_selection_interrupt.call(this), zoomstarted(dispatch);
       mousewheelTimer = setTimeout(function() {
         mousewheelTimer = null;
         zoomended(dispatch);
       }, 50);
       d3_eventPreventDefault();
-      var point = center || d3.mouse(this);
-      if (!translate0) translate0 = location(point);
       scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
-      translateTo(point, translate0);
+      translateTo(center0, translate0);
       zoomed(dispatch);
     }
-    function mousewheelreset() {
-      translate0 = null;
-    }
     function dblclicked() {
       var dispatch = event.of(this, arguments), p = d3.mouse(this), l = location(p), k = Math.log(view.k) / Math.LN2;
       zoomstarted(dispatch);