DrPunchBlog

Quick and dirty code to have the arrow point back at the center of the stage.

package com.drpunchlogic
{
	// display
	import flash.display.MovieClip;
	import flash.display.Stage;
	// events
	import flash.events.MouseEvent;
	import flash.events.Event;
	// geom
	import flash.geom.Point;
	//ui
	import flash.ui.Mouse;

	public class mouseArrow extends MovieClip
	{

		private var _stage:Stage;
		private var _temp:Point = new Point();
		private var _x:Number;
		private var _y:Number;
		private var _rot:Number;

		public function mouseArrow() : void
		{
			trace( "[ ARROW ]" );

			Mouse.hide(); //hide mouse
			mouseEnabled = true;
		}

		public function init( _stage:Stage, sw:Number, sh:Number ) : void
		{
			this._stage = _stage;

			_x = _stage.mouseX;
			_y = _stage.mouseY;

			_stage.addEventListener( MouseEvent.MOUSE_MOVE, moveMe );
		}

		private function moveMe( e:MouseEvent ) : void
		{
			_x = _stage.mouseX;
			_y = _stage.mouseY;

			_rot = Math.atan2( _y - _temp.y, _x - _temp.x) * 180 / Math.PI;

			if (_rot - rotation > 180)
			{
				_rot -= 360;
			} else if (rotation - _rot > 180) {
				_rot += 360;
			}

			rotation -= (rotation - _rot) / 10;

			x = _temp.x = _x;
			y = _temp.y = _y;

			e.updateAfterEvent();
		}

    }
}

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