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Mouse Events a simple drawing application using AS3

/ Published in: ActionScript 3
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This code will show you how to write Mouse Events using AS3 and also some simple Drawing API as well.

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  1. package {
  2. 	import flash.display.Sprite;
  3. 	import flash.events.MouseEvent;
  4.  
  5. 	public class ExampleApplication extends Sprite{
  6. 		private var _sprite:Sprite;
  7.  
  8. 		public function ExampleApplication(){
  9. 			_sprite = new Sprite();
  10. 			addChild(_sprite);
  11. 			_sprite.graphics.beginFill(0xFFFFFF);
  12. 			_sprite.graphics.drawRect(0, 0, 400, 400);
  13. 			_sprite.graphics.endFill();
  14.  
  15. 			_sprite.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
  16. 			_sprite.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
  17.  
  18. 		}
  19. 		private function onMouseDown(event:MouseEvent):void{
  20. 			_sprite.graphics.lineStyle(1, 0, 1);
  21. 			_sprite.graphics.moveTo(mouseX, mouseY);
  22. 			_sprite.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
  23. 		}
  24. 		private function onMouseUp(event:MouseEvent):void{
  25. 			_sprite.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
  26. 		}
  27. 		private function onMouseMove(event:MouseEvent):void{
  28. 			_sprite.graphics.lineTo(mouseX, mouseY);
  29. 		}
  30. 	}
  31. }

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