/**
* One entry of a Distancemap
* @param {number} xPos - x coordinate
* @param {number} yPos - y coordinate
* @param {number} value - 1 (occupied) or 0 (free)
* @constructor
*/
var DistMapEntry = function(xPos, yPos, value) {
this.xPos = xPos;
this.yPos = yPos;
this.v = value;
}