var s_iScaleFactor = 1;
var s_iOffsetX;
var s_iOffsetY;
var s_bIsIphone = false;
var s_fInverseScaling = 0;

/**
 * jQuery.browser.mobile (http://detectmobilebrowser.com/)
 * jQuery.browser.mobile will be true if the browser is a mobile device
 **/
(function (a) {
    (jQuery.browser = jQuery.browser || {}).mobile = /android|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(ad|hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|tablet|treo|up\.(browser|link)|vodafone|wap|webos|windows (ce|phone)|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-/i.test(a.substr(0, 4))
})(navigator.userAgent || navigator.vendor || window.opera);

$(window).resize(function () {
    sizeHandler();
});

function trace(szMsg) {
    console.log(szMsg);
}

function getSize(Name) {
    var size;
    var name = Name.toLowerCase();
    var document = window.document;
    var documentElement = document.documentElement;
    if (window["inner" + Name] === undefined) {
        // IE6 & IE7 don't have window.innerWidth or innerHeight
        size = documentElement["client" + Name];
    } else if (window["inner" + Name] != documentElement["client" + Name]) {
        // WebKit doesn't include scrollbars while calculating viewport size so we have to get fancy

        // Insert markup to test if a media query will match document.doumentElement["client" + Name]
        var bodyElement = document.createElement("body");
        bodyElement.id = "vpw-test-b";
        bodyElement.style.cssText = "overflow:scroll";
        var divElement = document.createElement("div");
        divElement.id = "vpw-test-d";
        divElement.style.cssText = "position:absolute;top:-1000px";
        // Getting specific on the CSS selector so it won't get overridden easily
        divElement.innerHTML = "<style>@media(" + name + ":" + documentElement["client" + Name] + "px){body#vpw-test-b div#vpw-test-d{" + name + ":7px!important}}</style>";
        bodyElement.appendChild(divElement);
        documentElement.insertBefore(bodyElement, document.head);

        if (divElement["offset" + Name] == 7) {
            // Media query matches document.documentElement["client" + Name]
            size = documentElement["client" + Name];
        } else {
            // Media query didn't match, use window["inner" + Name]
            size = window["inner" + Name];
        }
        // Cleanup
        documentElement.removeChild(bodyElement);
    } else {
        // Default to use window["inner" + Name]
        size = window["inner" + Name];
    }
    return size;
}
;


window.addEventListener("orientationchange", onOrientationChange);


function onOrientationChange() {
    if (window.matchMedia("(orientation: portrait)").matches) {
        // you're in PORTRAIT mode	   
        sizeHandler();
    }

    if (window.matchMedia("(orientation: landscape)").matches) {
        // you're in LANDSCAPE mode   
        sizeHandler();
    }

}

function isChrome(){
    var isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
    return isChrome;
}

function isIOS() {
   var iDevices = [
       'iPad Simulator',
       'iPhone Simulator',
       'iPod Simulator',
       'iPad',
       'iPhone',
       'iPod' 
   ]; 

   if (navigator.userAgent.toLowerCase().indexOf("iphone") !== -1){
       s_bIsIphone = true;
   }
           
   while (iDevices.length) {
       if (navigator.platform === iDevices.pop()){
           
               
           return true; 
       } 
   } 
   s_bIsIphone = false;

   return false; 
}

function getIOSWindowHeight() {
    // Get zoom level of mobile Safari
    // Note, that such zoom detection might not work correctly in other browsers
    // We use width, instead of height, because there are no vertical toolbars :)
    var zoomLevel = document.documentElement.clientWidth / window.innerWidth;

    // window.innerHeight returns height of the visible area. 
    // We multiply it by zoom and get out real height.
    return window.innerHeight * zoomLevel;
}
;

// You can also get height of the toolbars that are currently displayed
function getHeightOfIOSToolbars() {
    var tH = (window.orientation === 0 ? screen.height : screen.width) - getIOSWindowHeight();
    return tH > 1 ? tH : 0;
}
;

//THIS FUNCTION MANAGES THE CANVAS SCALING TO FIT PROPORTIONALLY THE GAME TO THE CURRENT DEVICE RESOLUTION
function sizeHandler() {
    window.scrollTo(0, 1);

    if (!$("#canvas")) {
        return;
    }



    var h;
    var iOS = (navigator.userAgent.match(/(iPad|iPhone|iPod)/g) ? true : false);

    if (iOS) {
        h = getIOSWindowHeight();
    } else {
        h = getSize("Height");
    }

    var w = getSize("Width");
    
    _checkOrientation(w,h);
    
    var multiplier = Math.min((h / CANVAS_HEIGHT), (w / CANVAS_WIDTH));

    var destW = CANVAS_WIDTH * multiplier;
    var destH = CANVAS_HEIGHT * multiplier;
/*
    if (s_bMobile && !s_bIsIphone) {
        $("#canvas").css("width", destW + "px");
        $("#canvas").css("height", destH + "px");
    } else {
        s_oStage.canvas.width = destW;
        s_oStage.canvas.height = destH;

        var iScale = Math.min(destW / CANVAS_WIDTH, destH / CANVAS_HEIGHT);
        s_oStage.scaleX = s_oStage.scaleY = iScale;
    }
*/
    var iAdd = 0;
    if (destH < h) {
        iAdd = h - destH;
        destH += iAdd;
        destW += iAdd * (CANVAS_WIDTH / CANVAS_HEIGHT);
    } else if (destW < w) {
        iAdd = w - destW;
        destW += iAdd;
        destH += iAdd * (CANVAS_HEIGHT / CANVAS_WIDTH);
    }

    var fOffsetY = ((h / 2) - (destH / 2));
    var fOffsetX = ((w / 2) - (destW / 2));
    var fGameInverseScaling = (CANVAS_WIDTH / destW);
    if (fOffsetX * fGameInverseScaling < -EDGEBOARD_X ||
            fOffsetY * fGameInverseScaling < -EDGEBOARD_Y) {
        s_iScaleFactor = Math.min(h / (CANVAS_HEIGHT - (EDGEBOARD_Y * 2)), w / (CANVAS_WIDTH - (EDGEBOARD_X * 2)));
        destW = CANVAS_WIDTH * s_iScaleFactor;
        destH = CANVAS_HEIGHT * s_iScaleFactor;
        fOffsetY = (h - destH) / 2;
        fOffsetX = (w - destW) / 2;
        fGameInverseScaling = (CANVAS_WIDTH / destW);
    }

    s_fInverseScaling = fGameInverseScaling;

    s_iOffsetX = (-1 * fOffsetX * fGameInverseScaling);
    s_iOffsetY = (-1 * fOffsetY * fGameInverseScaling);
    if (fOffsetY >= 0) {
        s_iOffsetY = 0;
    }

    if (fOffsetX >= 0) {
        s_iOffsetX = 0;
    }

    if (s_oInterface !== null) {
        s_oInterface.refreshButtonPos(s_iOffsetX, s_iOffsetY);
    }
    if (s_oMenu !== null) {
        s_oMenu.refreshButtonPos(s_iOffsetX, s_iOffsetY);
    }


    if(s_bIsIphone){
        canvas = document.getElementById('canvas');
        s_oStage.canvas.width = destW*2;
        s_oStage.canvas.height = destH*2;
        canvas.style.width = destW+"px";
        canvas.style.height = destH+"px";
        var iScale = Math.min(destW / CANVAS_WIDTH, destH / CANVAS_HEIGHT);
        s_iScaleFactor = iScale*2;
        s_oStage.scaleX = s_oStage.scaleY = s_iScaleFactor;  
    }else if(s_bMobile || isChrome()){
        $("#canvas").css("width",destW+"px");
        $("#canvas").css("height",destH+"px");
    }else{
        s_oStage.canvas.width = destW;
        s_oStage.canvas.height = destH;

        s_iScaleFactor = Math.min(destW / CANVAS_WIDTH, destH / CANVAS_HEIGHT);
        s_oStage.scaleX = s_oStage.scaleY = s_iScaleFactor; 
    }

    if (fOffsetY < 0) {
        $("#canvas").css("top", fOffsetY + "px");
        s_iCanvasOffsetHeight = fOffsetY;
    } else {
        $("#canvas").css("top", "0px");
        s_iCanvasOffsetHeight = 0;
    }

    $("#canvas").css("left", fOffsetX + "px");


    resizeCanvas3D();

    s_iCanvasResizeWidth = destW;
    s_iCanvasResizeHeight = destH;

    s_iCanvasOffsetWidth = fOffsetX;
    
    fullscreenHandler();
}

function _checkOrientation(iWidth,iHeight){
    if(s_bMobile && ENABLE_CHECK_ORIENTATION){
        if( iWidth>iHeight ){ 
            if( $(".orientation-msg-container").attr("data-orientation") === "landscape" ){
                $(".orientation-msg-container").css("display","none");
                s_oMain.startUpdate();
            }else{
                $(".orientation-msg-container").css("display","block");
                s_oMain.stopUpdate();
            }  
        }else{
            if( $(".orientation-msg-container").attr("data-orientation") === "portrait" ){
                $(".orientation-msg-container").css("display","none");
                s_oMain.startUpdate();
            }else{
                $(".orientation-msg-container").css("display","block");
                s_oMain.stopUpdate();
            }   
        }
    }
}

function resizeCanvas3D() {
    $("canvas").each(function () {
        if ($(this).attr("id") == "#canvas") {
            return;
        }
        $(this).css("width", $("#canvas").css("width"));
        $(this).css("height", $("#canvas").css("height"));
        $(this).css("position", $("#canvas").css("position"));
        $(this).css("left", $("#canvas").css("left"));
        $(this).css("top", $("#canvas").css("top"));
    });
}

function playSound(szSound,iVolume,bLoop){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){

        s_aSounds[szSound].play();
        s_aSounds[szSound].volume(iVolume);

        s_aSounds[szSound].loop(bLoop);

        return szSound;
    }
    return null;
}

function stopSound(szSound){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].stop();
    }
}   

function setVolume(szSound, iVolume){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].volume(iVolume);
    }
}  

function setMute(szSound, bMute){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].mute(bMute);
    }
}

function tweenVolume(szSound, iVolume, iMsFade) {
    s_aSounds[szSound].fade(s_aSounds[szSound].volume(), iVolume, iMsFade);
}


function createBitmap(oSprite, iWidth, iHeight) {
    var oBmp = new createjs.Bitmap(oSprite);
    var hitObject = new createjs.Shape();

    if (iWidth && iHeight) {
        hitObject.graphics.beginFill("#fff").drawRect(0, 0, iWidth, iHeight);
    } else {
        hitObject.graphics.beginFill("#ff0").drawRect(0, 0, oSprite.width, oSprite.height);
    }

    oBmp.hitArea = hitObject;

    return oBmp;
}

function createSprite(oSpriteSheet, szState, iRegX, iRegY, iWidth, iHeight) {
    if (szState !== null) {
        var oRetSprite = new createjs.Sprite(oSpriteSheet, szState);
    } else {
        var oRetSprite = new createjs.Sprite(oSpriteSheet);
    }

    var hitObject = new createjs.Shape();
    hitObject.graphics.beginFill("#000000").drawRect(-iRegX, -iRegY, iWidth, iHeight);

    oRetSprite.hitArea = hitObject;

    return oRetSprite;
}

function pad(n, width, z) {
    z = z || '0';
    n = n + '';
    return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}

function randomFloatBetween(minValue, maxValue, precision) {
    if (typeof (precision) === 'undefined') {
        precision = 2;
    }
    return parseFloat(Math.min(minValue + (Math.random() * (maxValue - minValue)), maxValue).toFixed(precision));
}

function rotateVector2D(iAngle, v) {
    var iX = v.getX() * Math.cos(iAngle) + v.getY() * Math.sin(iAngle);
    var iY = v.getX() * (-Math.sin(iAngle)) + v.getY() * Math.cos(iAngle);
    v.set(iX, iY);
}

function tweenVectorsOnX(vStart, vEnd, iLerp) {
    var iNewX = vStart + iLerp * (vEnd - vStart);
    return iNewX;
}

function shuffle(array) {
    var currentIndex = array.length
            , temporaryValue
            , randomIndex
            ;

    // While there remain elements to shuffle...
    while (0 !== currentIndex) {

        // Pick a remaining element...
        randomIndex = Math.floor(Math.random() * currentIndex);
        currentIndex -= 1;

        // And swap it with the current element.
        temporaryValue = array[currentIndex];
        array[currentIndex] = array[randomIndex];
        array[randomIndex] = temporaryValue;
    }

    return array;
}

function bubbleSort(a)
{
    var swapped;
    do {
        swapped = false;
        for (var i = 0; i < a.length - 1; i++) {
            if (a[i] > a[i + 1]) {
                var temp = a[i];
                a[i] = a[i + 1];
                a[i + 1] = temp;
                swapped = true;
            }
        }
    } while (swapped);
}

function compare(a, b) {
    if (a.index > b.index)
        return -1;
    if (a.index < b.index)
        return 1;
    return 0;
}

//----------------------
// Linear	
/**
 * Interpolates a value between b and c parameters
 * <p></br><b>Note:</b></br>
 * &nbsp&nbsp&nbspt and d parameters can be in frames or seconds/milliseconds
 *
 * @param t Elapsed time
 * @param b Initial position
 * @param c Final position
 * @param d Duration
 * @return A value between b and c parameters
 */

function easeLinear(t, b, c, d) {
    return c * t / d + b;
}

//----------------------
// Quad		
/**
 * Interpolates a value between b and c parameters
 * <p></br><b>Note:</b></br>
 * &nbsp&nbsp&nbspt and d parameters can be in frames or seconds/milliseconds
 *
 * @param t Elapsed time
 * @param b Initial position
 * @param c Final position
 * @param d Duration
 * @return A value between b and c parameters
 */

function easeInQuad(t, b, c, d) {
    return c * (t /= d) * t + b;
}
//----------------------
// Sine	
/**
 * Interpolates a value between b and c parameters
 * <p></br><b>Note:</b></br>
 * &nbsp&nbsp&nbspt and d parameters can be in frames or seconds/milliseconds
 *
 * @param t Elapsed time
 * @param b Initial position
 * @param c Final position
 * @param d Duration
 * @return A value between b and c parameters
 */

function easeInSine(t, b, c, d) {
    return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
}



function easeInCubic(t, b, c, d) {
    return c * (t /= d) * t * t + b;
}
;


function getTrajectoryPoint(t, p) {
    var result = new createjs.Point();
    var oneMinusTSq = (1 - t) * (1 - t);
    var TSq = t * t;
    result.x = oneMinusTSq * p.start.x + 2 * (1 - t) * t * p.traj.x + TSq * p.end.x;
    result.y = oneMinusTSq * p.start.y + 2 * (1 - t) * t * p.traj.y + TSq * p.end.y;
    return result;
}

function formatTime(iTime) {
    iTime /= 1000;
    var iMins = Math.floor(iTime / 60);
    var iSecs = iTime - (iMins * 60);
    iSecs = parseFloat(iSecs).toFixed(1)

    var szRet = "";

    if (iMins < 10) {
        szRet += "0" + iMins + ":";
    } else {
        szRet += iMins + ":";
    }

    if (iSecs < 10) {
        szRet += "0" + iSecs;
    } else {
        szRet += iSecs;
    }

    return szRet;
}

function degreesToRadians(iAngle) {
    return iAngle * Math.PI / 180;
}

function checkRectCollision(bitmap1, bitmap2) {
    var b1, b2;
    b1 = getBounds(bitmap1, 0.9);
    b2 = getBounds(bitmap2, 0.98);
    return calculateIntersection(b1, b2);
}

function NoClickDelay(el) {
    this.element = el;
    if (window.Touch)
        this.element.addEventListener('touchstart', this, false);
}
//Fisher-Yates Shuffle
function shuffle(array) {
    var counter = array.length, temp, index;
    // While there are elements in the array
    while (counter > 0) {
        // Pick a random index
        index = Math.floor(Math.random() * counter);
        // Decrease counter by 1
        counter--;
        // And swap the last element with it
        temp = array[counter];
        array[counter] = array[index];
        array[index] = temp;
    }
    return array;
}

NoClickDelay.prototype = {
    handleEvent: function (e) {
        switch (e.type) {
            case 'touchstart':
                this.onTouchStart(e);
                break;
            case 'touchmove':
                this.onTouchMove(e);
                break;
            case 'touchend':
                this.onTouchEnd(e);
                break;
        }
    },
    onTouchStart: function (e) {
        e.preventDefault();
        this.moved = false;

        this.element.addEventListener('touchmove', this, false);
        this.element.addEventListener('touchend', this, false);
    },
    onTouchMove: function (e) {
        this.moved = true;
    },
    onTouchEnd: function (e) {
        this.element.removeEventListener('touchmove', this, false);
        this.element.removeEventListener('touchend', this, false);

        if (!this.moved) {
            var theTarget = document.elementFromPoint(e.changedTouches[0].clientX, e.changedTouches[0].clientY);
            if (theTarget.nodeType == 3)
                theTarget = theTarget.parentNode;

            var theEvent = document.createEvent('MouseEvents');
            theEvent.initEvent('click', true, true);
            theTarget.dispatchEvent(theEvent);
        }
    }

};

(function () {
    var hidden = "hidden";

    // Standards:
    if (hidden in document)
        document.addEventListener("visibilitychange", onchange);
    else if ((hidden = "mozHidden") in document)
        document.addEventListener("mozvisibilitychange", onchange);
    else if ((hidden = "webkitHidden") in document)
        document.addEventListener("webkitvisibilitychange", onchange);
    else if ((hidden = "msHidden") in document)
        document.addEventListener("msvisibilitychange", onchange);
    // IE 9 and lower:
    else if ('onfocusin' in document)
        document.onfocusin = document.onfocusout = onchange;
    // All others:
    else
        window.onpageshow = window.onpagehide
                = window.onfocus = window.onblur = onchange;

    function onchange(evt) {
        var v = 'visible', h = 'hidden',
                evtMap = {
                    focus: v, focusin: v, pageshow: v, blur: h, focusout: h, pagehide: h
                };

        evt = evt || window.event;

        if (evt.type in evtMap) {
            document.body.className = evtMap[evt.type];
        } else {
            document.body.className = this[hidden] ? "hidden" : "visible";

            if (document.body.className === "hidden") {
                s_oMain.stopUpdate();
            } else {
                s_oMain.startUpdate();
            }
        }
    }
})();

function ctlArcadeResume() {
    if (s_oMain !== null) {
        s_oMain.startUpdate();
    }
}

function ctlArcadePause() {
    if (s_oMain !== null) {
        s_oMain.stopUpdate();
    }

}

function getParamValue(paramName) {
    var url = window.location.search.substring(1);
    var qArray = url.split('&');
    for (var i = 0; i < qArray.length; i++)
    {
        var pArr = qArray[i].split('=');
        if (pArr[0] == paramName)
            return pArr[1];
    }
}

function createCamera() {
    //var oCamera = new THREE.OrthographicCamera(CANVAS_WIDTH / -2, CANVAS_WIDTH / 2, CANVAS_HEIGHT / -2, CANVAS_HEIGHT / 2, 1, 1000);
    var oCamera = new THREE.PerspectiveCamera(FOV, CANVAS_WIDTH / CANVAS_HEIGHT, 1, 5000);

    oCamera.rotation.x = 60 * (Math.PI / 180);
    oCamera.rotation.y = -0 * (Math.PI / 180);
    oCamera.rotation.z = 0 * (Math.PI / 180);

    oCamera.zoom = 1;

//    oCamera.left = CANVAS_WIDTH / -2;
//    oCamera.right = CANVAS_WIDTH / 2;
//    oCamera.top = CANVAS_HEIGHT / 2;
//    oCamera.bottom = CANVAS_HEIGHT / -2;

    //oCamera.position.set(START_CAMERA_POSITION.x,START_CAMERA_POSITION.y,START_CAMERA_POSITION.z);
    oCamera.position.set(0, -2455, 1205);

    oCamera.updateProjectionMatrix();
    oCamera.updateMatrixWorld();

    return oCamera;
}

function getRandomColor() {
    var iRandR = Math.floor((Math.random() * 127) + 255) - 127;
    var iRandG = Math.floor((Math.random() * 127) + 255) - 127;
    var iRandB = Math.floor((Math.random() * 127) + 255) - 127;

    return "rgba(" + iRandR + "," + iRandG + "," + iRandB + ",1)";
}

Math.radians = function (degrees) {
    return degrees * Math.PI / 180;
};
// Converts from radians to degrees.
Math.degrees = function (radians) {
    return radians * (180 / Math.PI);
};

function distanceV2(v1, v2) {
    var iDx = v1.x - v2.x;
    var iDy = v1.y - v2.y;
    return Math.sqrt((iDx * iDx) + (iDy * iDy));
}

function saveItem(szItem,oValue){
    if(s_bStorageAvailable){
        localStorage.setItem(szItem, oValue);
    } 
}

function getItem(szItem){
    if(s_bStorageAvailable){
        return localStorage.getItem(szItem);
    }
    return null;
}

function clearAllItem() {
     if(s_bStorageAvailable){
         localStorage.clear();
     }
}

function BoundingBox(aPoint) {
    var fMinX = aPoint[0].x;
    var fMinY = aPoint[0].y;
    var fMaxX = aPoint[0].x;
    var fMaxY = aPoint[0].y;
    for (var i = 1; i < aPoint.length; i++) {
        if (aPoint[i].x < fMinX) {
            fMinX = aPoint[i].x;
        } else if (aPoint[i].x > fMaxX) {
            fMaxX = aPoint[i].x;
        }

        if (aPoint[i].y < fMinY) {
            fMinY = aPoint[i].y;
        } else if (aPoint[i].y > fMaxY) {
            fMaxY = aPoint[i].y;
        }
    }
    return {xMin: fMinX, yMin: fMinY, xMax: fMaxX, yMax: fMaxY};
}

function graphicsPoint(oPoint) {
    var oShape = new createjs.Shape();
    oShape.graphics.beginFill(getRandomColor()).drawCircle(5, 5, 10);
    oShape.x = oPoint.x;
    oShape.y = oPoint.y;
    s_oStage.addChild(oShape);
}

function fullscreenHandler(){
	if (!ENABLE_FULLSCREEN || screenfull.enabled === false){
       return;
    }
	
    if(screen.height < window.innerHeight+3 && screen.height > window.innerHeight-3){
        s_bFullscreen = true;
    }else{
        s_bFullscreen = false;
    }

    if (s_oInterface !== null){
        s_oInterface.resetFullscreenBut();
    }

    if (s_oMenu !== null){
        s_oMenu.resetFullscreenBut();
    }
}


if (screenfull.enabled) {
    screenfull.on('change', function(){
            s_bFullscreen = screenfull.isFullscreen;

            if (s_oInterface !== null){
                s_oInterface.resetFullscreenBut();
            }

            if (s_oMenu !== null){
                s_oMenu.resetFullscreenBut();
            }
    });
}
