jquery挂壁圆盘时钟动画特效

使用方法

var oClockAnalog = {
    aSecond:         [],
    dtDate:          new Date(),
    iCurrSecond:     -1,
    iHourRotation:   -1,
    iMinuteRotation: -1,
    iStepSize:       10,
    iTimerAnimate:   setInterval("oClockAnalog.fAnimate()", 20),
    iTimerUpdate:    setInterval("oClockAnalog.fUpdate()", 1000),

    fAnimate:       function() {
        if (this.aSecond.length > 0) {
            this.fRotate("analogsecond", this.aSecond[0]);
            this.aSecond = this.aSecond.slice(1);
        }
    },
    fGetHour:     function() {
        var iHours = this.dtDate.getHours();
        if (iHours > 11) {
            iHours -= 12;
        }
        return Math.round((this.dtDate.getHours() * 30) + (this.dtDate.getMinutes() / 2) + (this.dtDate.getSeconds() / 120));
    },
    fGetMinute:     function() {
        return Math.round((this.dtDate.getMinutes() * 6) + (this.dtDate.getSeconds() / 10));
    },
    fInit:          function() {
        this.iHourRotation = this.fGetHour();
        this.fRotate("analoghour", this.iHourRotation);

        this.iMinuteRotation = this.fGetMinute();
        this.fRotate("analogminute", this.iMinuteRotation);

        this.iCurrSecond = this.dtDate.getSeconds();
        this.fRotate("analogsecond", (6 * this.iCurrSecond));
    },
    fRotate:        function(sID, iDeg) {
        var sCSS = ("rotate(" + iDeg + "deg)");
        $("#" + sID).css({ '-moz-transform': sCSS, '-o-transform': sCSS, '-webkit-transform': sCSS });
    },
    fStepSize:     function(iTo, iFrom) {
        var iAnimDiff = (iFrom - iTo);
        if (iAnimDiff > 0) {
            iAnimDiff -= 360;
        }
        return iAnimDiff / this.iStepSize;
    },
    fUpdate:        function() {
        // update time
        this.dtDate = new Date();

        // hours
        var iTemp = this.fGetHour();
        if (this.iHourRotation != iTemp) {
            this.iHourRotation = iTemp;
            this.fRotate("analoghour", iTemp);
        }

        // minutes
        iTemp = this.fGetMinute();
        if (this.iMinuteRotation != iTemp) {
            this.iMinuteRotation = iTemp;
            this.fRotate("analogminute", iTemp);
        }

        // seconds
        if (this.iCurrSecond != this.dtDate.getSeconds()) {
            var iRotateFrom = (6 * this.iCurrSecond);
            this.iCurrSecond = this.dtDate.getSeconds();
            var iRotateTo = (6 * this.iCurrSecond);

            // push steps into array
            var iDiff = this.fStepSize(iRotateTo, iRotateFrom);
            for (var i = 0; i < this.iStepSize; i++) {
                iRotateFrom -= iDiff;
                this.aSecond.push(Math.round(iRotateFrom));
            }
        }
    }
};   ClockInit();