function Captcha(c) {
        var _this = this;
        this.con = c.getContext('2d');
        this.canvas = c;
        this.canvas.addEventListener("mousedown", function (event) {
            return _this.onMouseDown(event);
        }, false);
        this.control_pts = [new Vector2(250, 50), new Vector2(50, 450), new Vector2(450, 450)];
    }
/**
    * Constructs the interactive CAPTCHA element.
    * @constructor
    */
Constructs the interactive CAPTCHA element.
@constructor
Constructs the interactive CAPTCHA element . @constructor
function Captcha(c) {
        var _this = this;
        this.con = c.getContext('2d');
        this.canvas = c;
        this.canvas.addEventListener("mousedown", function (event) {
            return _this.onMouseDown(event);
        }, false);
        this.control_pts = [new Vector2(250, 50), new Vector2(50, 450), new Vector2(450, 450)];
    }
function Captcha ( c ) { var _this = this ; this . con = c . getContext ( '2d' ) ; this . canvas = c ; this . canvas . addEventListener ( "mousedown" , function ( event ) { return _this . onMouseDown ( event ) ; } , false ) ; this . control_pts = [ new Vector2 ( 250 , 50 ) , new Vector2 ( 50 , 450 ) , new Vector2 ( 450 , 450 ) ] ; }
Constructs the interactive CAPTCHA element.
Constructs the interactive CAPTCHA element .