Smooth animation of changing Leaflet marker's position on setLatLng

gistfile1.txt

// just include d3js and add animaDur in ms to marker's option

L.SVG.prototype._setPath = function(layer,path){ 
	if(layer.options.animaDur)
		d3.select(layer._path).transition().duration(layer.options.animaDur).ease('linear').attr('d',path)
	else
		layer._path.setAttribute('d', path); 
}

.leaflet-marker-pane > * {
  -webkit-transition: transform 0.3s linear;
  -moz-transition: transform 0.3s linear;
  -o-transition: transform 0.3s linear;
  -ms-transition: transform 0.3s linear;
  transition: transform 0.3s linear;
}