package com.rtl
{

    /**
     *
     * @author RTLShadow
     *
     */
    public class FastMath
    {
        public static var DEGREES_TO_RADIANS:Number = Math.PI / 180;
        public static var RADIANS_TO_DEGREES:Number = 180 / Math.PI;

        public static function randomNum( min:Number, max:Number ):Number
        {
            return min + ( max - min ) * Math.random();
        }

        public static function calculateDistance( x1:Number, y1:Number, x2:Number, y2:Number ):Number
        {
            var dx:Number = x2 - x1;
            var dy:Number = y2 - y1;
            return Math.sqrt( dx * dx + dy * dy );
        }

        public static function smallestNum( arr:Array ):Number
        {
            var sNum:Number = Infinity;
            for ( var i:int = 0; i < arr.length; i++ )
            {
                if ( arr[ i ] < sNum )
                {
                    sNum = arr[ i ];
                }
            }
            return sNum;
        }

        public static function largestNum( arr:Array ):Number
        {
            var lNum:Number = Number.MIN_VALUE;
            for ( var i:int = 0; i < arr.length; i++ )
            {
                if ( arr[ i ] > lNum )
                {
                    lNum = arr[ i ];
                }
            }
            return lNum;
        }

        public static function toRadians( deg:Number ):Number
        {
            return deg * DEGREES_TO_RADIANS;
        }

        public static function toDegrees( rad:Number ):Number
        {
            return rad * RADIANS_TO_DEGREES;
        }

        //~7.25x faster than Adobe's Math.floor()
        public static function floor( num:Number ):Number
        {
            return Number( int( num ) );
        }

        // ~7x faster than Adobe's Math.ceil()
        public static function ceil( num:Number ):Number
        {
            return Number( int( num ) ) + 1;
        }

    }
}