Updated Demo Of AS3 Radial/Circular Mouse Tracking (I.E. Its a compass that follows your cursor)

package 
{
    import flash.display.*; // Normal flash functions
    import flash.events.*;
 
	import caurina.transitions.Tweener;  // Tweener specifc
	import caurina.transitions.properties.FilterShortcuts;
 
 
	FilterShortcuts.init(); // Initializes Tweener
 
 
 
    public class Main extends Sprite
    {
 
		// ************************* Required For Operations **************************************
	    var distY:Number; // Distance on the Y axis that the needle must travel
        var distX:Number; // Distance on the X axis that the needle must travel
		private var delay:Number; // Delay that is used in all the tween functions
		var i:Number = 0; // Simple token for disabling the animation that occurs when the file loads
		public var needleMC:Sprite; // This is the name of the object that you want to rotate (look in properties)
 
 
 
		// ************************* User Defined Options **************************************
		private var delayM:Number = 3.5; // A multiplier for delaying the needle movement (larger = slower movement)
		private var delayB:Number = .8; // Offset for the blur. It is multiplied by 2, so if this is .25, and delayM 3.5, your blur lasts 3 seconds
        var blurX:Number = 1.5; // The number of pixels the needle will blur while moving on the X axis
		var blurY:Number = 1.5; // The number of pixels the needle will blur while moving on the Y axis
 
        public function Main() {  // Loads Main
            init();
        }// end function
 
        private function init() : void { // Initializes listeners
            addEventListeners(); // This adds the functions you want running at start
        }// end function
 
		private function addEventListeners() : void { // Itemized start functions, I tried to keep these in order
            addEventListener(Event.ENTER_FRAME, __onMouseStart);  // When the movie loads first this is the first function run
        	addEventListener(MouseEvent.MOUSE_OUT, __onMouseOut); // Watches for user's mouse leaving the stage
            addEventListener(MouseEvent.MOUSE_DOWN, __onMouseDown); // Watches for the user's click
        }// end function
 
        private function __onMouseStart(param1:Event) : void {  // First function
			if ( i == 0) { // Makes the needle animate upright, then disables itself with token
         		__trackMouse (0, 90); 
				i = 1;
			}
			addEventListener(MouseEvent.MOUSE_OVER, __onMouseOver);  // Watching for user's mouse
        }// end function
 
	  	private function __onMouseOver(param1:MouseEvent) : void { // Starts looking for mouse to enter the stage area
            distX = needleMC.x - mouseX; // Compares mouse's X coordinate to the Needle's X coordinate
            distY = needleMC.y - mouseY; // Compares mouse's Y coordinate to the Needle's Y coordinate
			__trackMouse (distX, distY); //  Sends the locational information to our mouse tracking function
        }// end function
 
        private function __trackMouse(mX:Number, mY:Number) : void { // All Functions for calculating needle movement
            var radians:Number = Math.atan2(mY, mX);  // Converts out the X and Y locations to radians
            var targetRotation:Number = radians / Math.PI * 180;   // And then out to degrees of movement
			delay = Math.random() + 1 * delayM; // Calculates the delay
			__rotateNeedle(targetRotation, delay);  // Passes delay and movement info to rotation function
        }// end function
 
        private function __rotateNeedle(rN:Number, dY:Number) : void { // Rotates needle a certain distance (rN) in set a mount of time (dY) 
			Tweener.addTween(needleMC, {rotation: rN, time: dY, delay: 0, transition:"easeOutElastic"}); // Elastic out causes our bounce at then end
			if (rN > 0){
				__blurN(); // If the needle needs to rotate start blur function
			}
		}
 
		function __blurN() : void { // Blurs needle while it is moving
			var blurDelay = delay/2 - delayB; // Uses the delay we set above to kill the blur before the needle settles completely
			Tweener.addTween(needleMC, {_Blur_blurX: blurX, _Blur_blurY: blurY , time: blurDelay, delay: 0}); // Starts blur after a delay of 0 seconds
			Tweener.addTween(needleMC, {_Blur_blurX: 0, _Blur_blurY: 0, time: blurDelay, delay: blurDelay}); // Ends Blur
        }// end function
 
        private function __onMouseOut(param1:MouseEvent) : void { // Resets the needle position when user's mouse leaves stage
			__trackMouse (0, 90);
        }// end function
 
        private function __onMouseDown(param1:MouseEvent) : void { // I left this in in case someone wants to use this as a button
            // I may update this later and include an animation script that would occur before launching the link
		return;
        }// end function
    }
}