#

API Documentation for: NEXT
Show: Inherited Protected Private Deprecated

# File:Point.js

    /*
    * Point
    * Visit http://createjs.com/ for documentation, updates and examples.
    *
    * Copyright (c) 2010 gskinner.com, inc.
    *
    * Permission is hereby granted, free of charge, to any person
    * obtaining a copy of this software and associated documentation
    * files (the "Software"), to deal in the Software without
    * restriction, including without limitation the rights to use,
    * copy, modify, merge, publish, distribute, sublicense, and/or sell
    * copies of the Software, and to permit persons to whom the
    * Software is furnished to do so, subject to the following
    * conditions:
    *
    * The above copyright notice and this permission notice shall be
    * included in all copies or substantial portions of the Software.
    *
    * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
    * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
    * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
    * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
    * OTHER DEALINGS IN THE SOFTWARE.
    */

    /**
     * @module EaselJS
     */

    // namespace:
    this.createjs = this.createjs||{};

    (function() {
    	"use strict";

    // constructor:
    	/**
    	 * Represents a point on a 2 dimensional x / y coordinate system.
    	 *
    	 * <h4>Example</h4>
    	 *
    	 *      var point = new createjs.Point(0, 100);
    	 *
    	 * @class Point
    	 * @param {Number} [x=0] X position.
    	 * @param {Number} [y=0] Y position.
    	 * @constructor
    	 **/
    	function Point(x, y) {
    	 	this.setValues(x, y);

    	// public properties:
    		// assigned in the setValues method.
    		/**
    		 * X position.
    		 * @property x
    		 * @type Number
    		 **/

    		/**
    		 * Y position.
    		 * @property y
    		 * @type Number
    		 **/
    	}
    	var p = Point.prototype;

    // public methods:
    	/**
    	 * Sets the specified values on this instance.
    	 * @method setValues
    	 * @param {Number} [x=0] X position.
    	 * @param {Number} [y=0] Y position.
    	 * @return {Point} This instance. Useful for chaining method calls.
    	 * @chainable
    	*/
    	p.setValues = function(x, y) {
    		this.x = x||0;
    		this.y = y||0;
    		return this;
    	};

    	/**
    	 * Copies all properties from the specified point to this point.
    	 * @method copy
    	 * @param {Point} point The point to copy properties from.
    	 * @return {Point} This point. Useful for chaining method calls.
    	 * @chainable
    	*/
    	p.copy = function(point) {
    		this.x = point.x;
    		this.y = point.y;
    		return this;
    	};

    	/**
    	 * Returns a clone of the Point instance.
    	 * @method clone
    	 * @return {Point} a clone of the Point instance.
    	 **/
    	p.clone = function() {
    		return new Point(this.x, this.y);
    	};

    	/**
    	 * Returns a string representation of this object.
    	 * @method toString
    	 * @return {String} a string representation of the instance.
    	 **/
    	p.toString = function() {
    		return "[Point (x="+this.x+" y="+this.y+")]";
    	};

    	createjs.Point = Point;
    }());