记BCTF之旅—真假难辨

var player = function(options) {
    this.moveSpeed = 5;
    this.life=5;
    var authp = function(a, b) {
        var c = 0xfff;
        var d = 0xfff;
	var e = a - b;
	var f = a + b;
	var g = a * b;
	c = c * d;
	c += c * d;
	d = d * e + f * g;
	g = f | d;
	g = g ^ f;
	f = g * f;
	return f;
    }
    this.pe = authp(this.moveSpeed, this.life);}var createGhost=function(x,y){
        var newGhost=new ghost({width: 115, height: 136, x:x, y:y });
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostRunLeft",srcObj.ghostRunLeft,{width:1265,height:136,frameSize:[115,136],loop:true}));
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostRunRight",srcObj.ghostRunRight,{width:1265,height:136,frameSize:[115,136],loop:true}));
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostDieRight",srcObj.ghostDieRight,{width:4320,height:176,frameSize:[240,176],frameDuration:150}));
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostDieLeft",srcObj.ghostDieLeft,{width:1800,height:254,frameSize:[225,254],frameDuration:150}));
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostHurtLeft",srcObj.ghostHurtLeft,{width:816,height:157,frameSize:[204,157],frameDuration:150,onFinish:function(){this.relatedSprite.recover();}}));
	newGhost.addAnimation(new cnGame.SpriteSheet("ghostHurtRight",srcObj.ghostHurtRight,{width:816,height:157,frameSize:[204,157],frameDuration:150,onFinish:function(){this.relatedSprite.recover();}}));
	return newGhost；	
    }
    var authnum = function(key, num){
	var list = new Array('a', 'b', 'c', 'd', 'e', 'f', 'g');
	key = "BCTF{" + key + "|";
	for(var i = 0; i < num; i++) {
	    key += list[i%7];
	}
	key = key + "}";
	return key}var ghost = function(options) {    
	    this.init(options);
	    this.moveSpeed=20;
	    this.life=20;
	    var auth = function(a, b) {
		var d = a;
		var e = b;
		var a = 0xfff;
		var b = 0xff;
		var c = 1024;
		a = a << 2;
		a = a << 6;
		b = a + b;
		c = a + b + c + d + e;
		return c;
	    }
	    this.gh = auth(this.moveSpeed, this.life);}
	    var gameObj = {
	        initialize:function(){
		    this.key = ""
		    this.deadghost = 0;
		    var newGhost=createGhost(740,1064);
		    this.key += newGhost.gh;
		    this.key += "%"+this.player.pe;

	    update:function(duration){
	    if(cnGame.collision.col_Between_Rects(this.player.getRect(),this.end.getRect())){
	        if(this.deadghost == 10){
                    this.key = authnum(this.key, this.deadghost);
		    alert("The Key is:" + this.key);
	        }