TypeScript output of my Geom classes for PixelVisionJS

Geom.js

// Module
var pxv;
(function (pxv) {
    var Point = (function () {
        function Point(x, y) {
            if (typeof x === "undefined") { x = 0; }
            if (typeof y === "undefined") { y = 0; }
            this.x = x;
            this.y = y;
        }
        Point.prototype.add = 
        function (v) {
            return new Point(this.x + v.x, this.y + v.y);
        };
        Point.prototype.clone = 
        function () {
            return new Point(this.x, this.y);
        };
        Point.prototype.distance =
        function (v) {
            var x = this.x - v.x;
            var y = this.y - v.y;
            return Math.sqrt(x * x + y * y);
        };
        Point.prototype.toString =
        function () {
            return "(x=" + this.x + ", y=" + this.y + ")";
        };
        return Point;
    })();
    pxv.Point = Point;    
    var Rectangle = (function () {
        function Rectangle(x, y, width, height) {
            if (typeof x === "undefined") { x = 0; }
            if (typeof y === "undefined") { y = 0; }
            if (typeof width === "undefined") { width = 0; }
            if (typeof height === "undefined") { height = 0; }
            this.x = x;
            this.y = y;
            this.width = width;
            this.height = height;
            this.left = 0;
            this.right = 0;
            this.top = 0;
            this.bottom = 0;
            this.resize(x, y, width, height);
        }
        Rectangle.prototype.copyFrom = function (rect) {
            this.x = rect.x;
            this.y = rect.y;
            this.width = rect.width;
            this.height = rect.height;
            return this;
        };
        Rectangle.prototype.copyTo = function (rect) {
            rect.x = this.x;
            rect.y = this.y;
            rect.width = this.width;
            rect.height = this.height;
            return rect;
        };
        Rectangle.prototype.resize = function (x, y, width, height) {
            this.x = x;
            this.y = y;
            this.width = width;
            this.height = height;
            this.left = this.x;
            this.right = this.x + this.width;
            this.top = this.y;
            this.bottom = this.y + this.height;
        };
        Rectangle.prototype.contains = function (targetRect) {
            return (targetRect.x + targetRect.width > this.x) && (targetRect.x < this.x + this.width) && (targetRect.y + targetRect.height > this.y) && (targetRect.y < this.y + this.height);
        };
        return Rectangle;
    })();
    pxv.Rectangle = Rectangle;    
})(pxv || (pxv = {}));
//@ sourceMappingURL=Geom.js.map