Awesome Clock

gistfile1.txt

function AngleCalc() {
    
    
    function fromTime(min, hour){
        var minPercent = minutesToPercent(min),
            hrPercent = hoursToPercent(hour, minPercent),
            minDegree = percentageToDegree(minPercent),
            hrDegree = percentageToDegree(hrPercent),
            smallAngle = smAngle(minDegree, hrDegree),
            largeAngle = lgAngle(minDegree, hrDegree);
        
        return {
            lg:largeAngle,
            sm:smallAngle
        }
    }
    
    //private 
    function percentageToDegree(percent) {
        return 360 * (percent / 100); 
    }
    
    
    function minutesToPercent(min) {
        return (min * 100) / 60;
    }
    function hoursToPercent(hour, minPercent) {
        var hourMod = hour%12,
            degreeInHr = 100 /12,
            hourPercent = (hour * 100) / 12;
            
        return hourPercent + (degreeInHr * (minPercent / 100)) % 100;
    }
    function smAngle(minDegree , hrDegree){
        return Math.abs((360 - minDegree) - hrDegree);
    }
    
    function lgAngle(minDegree, hrDegree) {
        return Math.abs(360 - smAngle(minDegree, hrDegree));
    }

    return {
        fromTime: fromTime
    }
}
                        
var calc = new AngleCalc
calc.fromTime(7, 10);
console.log(calc.fromTime(7, 10));