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https://github.com/photonstorm/phaser
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67 lines
2.2 KiB
JavaScript
67 lines
2.2 KiB
JavaScript
/// <reference path="../_definitions.ts" />
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/**
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* Phaser - Point
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*
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* The Point object represents a location in a two-dimensional coordinate system, where x represents the horizontal axis and y represents the vertical axis.
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*/
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var Phaser;
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(function (Phaser) {
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var Point = (function () {
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/**
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* Creates a new Point. If you pass no parameters a Point is created set to (0,0).
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* @class Point
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* @constructor
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* @param {Number} x The horizontal position of this Point (default 0)
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* @param {Number} y The vertical position of this Point (default 0)
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**/
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function Point(x, y) {
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if (typeof x === "undefined") { x = 0; }
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if (typeof y === "undefined") { y = 0; }
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this.x = x;
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this.y = y;
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}
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/**
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* Copies the x and y properties from any given object to this Point.
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* @method copyFrom
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* @param {any} source - The object to copy from.
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* @return {Point} This Point object.
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**/
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Point.prototype.copyFrom = function (source) {
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return this.setTo(source.x, source.y);
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};
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/**
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* Inverts the x and y values of this Point
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* @method invert
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* @return {Point} This Point object.
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**/
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Point.prototype.invert = function () {
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return this.setTo(this.y, this.x);
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};
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/**
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* Sets the x and y values of this MicroPoint object to the given coordinates.
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* @method setTo
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* @param {Number} x - The horizontal position of this point.
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* @param {Number} y - The vertical position of this point.
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* @return {MicroPoint} This MicroPoint object. Useful for chaining method calls.
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**/
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Point.prototype.setTo = function (x, y) {
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this.x = x;
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this.y = y;
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return this;
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};
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/**
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* Returns a string representation of this object.
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* @method toString
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* @return {string} a string representation of the instance.
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**/
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Point.prototype.toString = function () {
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return '[{Point (x=' + this.x + ' y=' + this.y + ')}]';
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};
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return Point;
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})();
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Phaser.Point = Point;
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})(Phaser || (Phaser = {}));
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