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Custom Cursor from image URL in AS3

/ Published in: ActionScript 3
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This is a class I made for using custom cursors without having to import them into an FLA. Just pass in the URL of the cursor image and you're good to go.

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  1. package  {
  2.  
  3. 	import flash.display.Sprite;
  4. 	import flash.display.Loader;
  5. 	import flash.net.URLRequest;
  6. 	import flash.events.Event;
  7. 	import flash.ui.Mouse;
  8.  
  9.  
  10. 	public class CustomCursor extends Sprite {
  11.  
  12. 		private var request:URLRequest;
  13. 		private var cursorLoader:Loader;
  14.  
  15. 		/*	When you create a custom cursor, pass in the URL of the cursor you want to use	*/
  16. 		public function CustomCursor(url:String='crosshair_image.png') {
  17. 			setCursor(url);
  18. 		}
  19.  
  20. 		public function setCursor(url:String):void
  21. 		{
  22. 			/*	Load our image from the url path	*/
  23. 			request = new URLRequest(url);
  24. 			cursorLoader = new Loader();
  25. 			cursorLoader.load(request);
  26. 			/*	Listen for when the content of the loader is finished loading	*/
  27. 			cursorLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, cursorLoaded);
  28. 		}
  29.  
  30. 		private function cursorLoaded(event:Event):void
  31. 		{
  32. 			/*	The width and height of the new cursor	*/
  33. 			var w:Number = event.target.width;
  34. 			var h:Number = event.target.height;
  35.  
  36. 			/*	Center the image on the mouse	*/
  37. 			cursorLoader.x = -w/2;
  38. 			cursorLoader.y = -h/2;
  39.  
  40. 			/*	Hide the default cursor	*/
  41. 			Mouse.hide();
  42.  
  43. 			/*	Add the cursor graphic to the stage	*/
  44. 			addChild(cursorLoader);
  45.  
  46. 			/*	startDrag keeps the object the same x,y as the mouse cursor	*/
  47. 			this.startDrag(true);
  48. 		}
  49. 	}
  50. }

URL: http://www.commandreturn.com/demos/customCursorDemo/customCursorDemo.swf

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