X-Git-Url: https://git-public.kairo.at/?p=lantea.git;a=blobdiff_plain;f=js%2Fmap.js;h=4cd4ea7b809ea786d1ca1dbdbd1ee8be86ab6e24;hp=1ce622642e52fe54dd09aeacdd42695381f0cb95;hb=99631a7543656fb58fe3c7f7913773d49630db03;hpb=05c217570b27ee69eaa73af8b88383955c56bde8

diff --git a/js/map.js b/js/map.js
index 1ce6226..4cd4ea7 100644
--- a/js/map.js
+++ b/js/map.js
@@ -418,9 +418,12 @@ function startTracking() {
         drawTrackPoint(position.coords.latitude, position.coords.longitude);
         if (gCenterPosition) {
           var posCoord = gps2xy(position.coords.latitude, position.coords.longitude);
-          gPos.x = posCoord.x;
-          gPos.y = posCoord.y;
-          drawMap();
+          if (Math.abs(gPos.x - posCoord.x) > gCanvas.width * gZoomFactor / 4 ||
+              Math.abs(gPos.y - posCoord.y) > gCanvas.height * gZoomFactor / 4) {
+            gPos.x = posCoord.x;
+            gPos.y = posCoord.y;
+            drawMap();
+          }
         }
       },
       function(error) {