diff --git a/src/ol/framestate.js b/src/ol/framestate.js
index a4c97039a0..cffecf36b4 100644
--- a/src/ol/framestate.js
+++ b/src/ol/framestate.js
@@ -23,6 +23,7 @@ goog.require('ol.layer.LayerState');
* backgroundColor: ol.Color,
* coordinateToPixelMatrix: goog.vec.Mat4.Number,
* extent: (null|ol.Extent),
+ * focus: ol.Coordinate,
* layersArray: Array.
,
* layerStates: Object.,
* pixelToCoordinateMatrix: goog.vec.Mat4.Number,
diff --git a/src/ol/map.js b/src/ol/map.js
index 34b92731bc..b5dbc4304a 100644
--- a/src/ol/map.js
+++ b/src/ol/map.js
@@ -500,13 +500,11 @@ ol.Map.prototype.getTilePriority =
if (!frameState.wantedTiles[tileSourceKey][coordKey]) {
return ol.structs.PriorityQueue.DROP;
}
- // Prioritize tiles closest to the focus or center. The + 1 helps to
- // prioritize tiles at higher zoom levels over tiles at lower zoom levels,
- // even if the tile's center is close to the focus.
- var focus = goog.isNull(this.focus_) ?
- frameState.view2DState.center : this.focus_;
- var deltaX = tileCenter.x - focus.x;
- var deltaY = tileCenter.y - focus.y;
+ // Prioritize tiles closest to the focus. The + 1 helps to prioritize tiles
+ // at higher zoom levels over tiles at lower zoom levels, even if the tile's
+ // center is close to the focus.
+ var deltaX = tileCenter.x - frameState.focus.x;
+ var deltaY = tileCenter.y - frameState.focus.y;
return tileResolution * (deltaX * deltaX + deltaY * deltaY + 1);
};
@@ -714,6 +712,7 @@ ol.Map.prototype.renderFrame_ = function(time) {
backgroundColor : new ol.Color(255, 255, 255, 1),
coordinateToPixelMatrix: this.coordinateToPixelMatrix_,
extent: null,
+ focus: goog.isNull(this.focus_) ? view2DState.center : this.focus_,
layersArray: layersArray,
layerStates: layerStates,
pixelToCoordinateMatrix: this.pixelToCoordinateMatrix_,