Clean up directory structure

src/ol/tile/tilecoord.js

@@ -0,0 +1,62 @@
+goog.provide('ol.TileCoord');
+
+goog.require('goog.array');
+goog.require('ol.Coordinate');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.Coordinate}
+ * @param {number} z Z.
+ * @param {number} x X.
+ * @param {number} y Y.
+ */
+ol.TileCoord = function(z, x, y) {
+
+  goog.base(this, x, y);
+
+  /**
+   * @type {number}
+   */
+  this.z = z;
+
+};
+goog.inherits(ol.TileCoord, ol.Coordinate);
+
+
+/**
+ * @return {ol.TileCoord} Clone.
+ */
+ol.TileCoord.prototype.clone = function() {
+  return new ol.TileCoord(this.z, this.x, this.y);
+};
+
+
+/**
+ * @return {number} Hash.
+ */
+ol.TileCoord.prototype.hash = function() {
+  return (this.x << this.z) + this.y;
+};
+
+
+/**
+ * @return {string} String.
+ */
+ol.TileCoord.prototype.toString = function() {
+  return [this.z, this.x, this.y].join('/');
+};
+
+
+/**
+ * @param {string} str String.
+ * @return {ol.TileCoord} Tile coord.
+ */
+ol.TileCoord.fromString = function(str) {
+  var v = str.split('/');
+  v = goog.array.map(v, function(e, i, a) {
+    return parseInt(e, 10);
+  });
+  return new ol.TileCoord(v[0], v[1], v[2]);
+};