Returns a 4 elements vector containing four different integers ranging from 1 to max, in random order.

pick4RandomNumbers.as

package utils
{  
	/** Returns a 4 elements vector containing four different integers ranging from 1 to max, in random order. */
	public function pick4RandomNumbers(max:uint):Vector.<uint>
	{
		// Create and populate a Vector to get 'max' different numbers from
		var numberContainer:Vector.<uint> = new Vector.<uint>();				
		for (var i:uint = 1; i <= max; i++)
		{
			numberContainer.push(i);
		}
		// If you only want the four numbers to be either 1,2 or 3, add a 4th element at random
		if (max == 3) numberContainer.push(getRandomNumber(1, max));
		
		//trace("pick4Randomnumbers > numberContainer =" + numberContainer);
		
		// Create and populate a Vector with 4 numbers picked from the numberContainer, at random
		var numberPicked:Vector.<uint> = new Vector.<uint>(4, true );				
		for (i = 0; i < 4; i++)
		{
			var randomPick:uint = getRandomNumber(0, numberContainer.length - 1);
			numberPicked[i] = numberContainer[randomPick];
			numberContainer.splice(randomPick, 1);
			//trace("pick4Randomnumbers > numberPicked[i] =" + numberPicked[i]);
			//trace("pick4Randomnumbers > numberContainer =" + numberContainer);
		}
		return numberPicked;
	}	
}