Mega Code Archive

 

Categories / Flash ActionScript / Development

 

Dragging and Dropping

package{ import flash.display.Sprite; import flash.events.MouseEvent; public class Main extends Sprite {     private var draggableSprite:Sprite = new Sprite();     private var droppableSprite:Sprite = new Sprite();     private var nonDroppableSprite:Sprite = new Sprite();     public function Main ()     {         draggableSprite.graphics.beginFill(0xff0000, 1);         draggableSprite.graphics.drawCircle(0, 0, 10);         draggableSprite.graphics.endFill();         droppableSprite.graphics.beginFill(0x0000ff, 1);         droppableSprite.graphics.drawRect(0, 0, 100, 100);         droppableSprite.graphics.endFill();         nonDroppableSprite.graphics.beginFill(0xff0000, 1);         nonDroppableSprite.graphics.drawRect(0, 0, 100, 100);         nonDroppableSprite.graphics.endFill();         addChild(nonDroppableSprite);         addChild(droppableSprite);         addChild(draggableSprite);         nonDroppableSprite.x = 200;         droppableSprite.x = 500;         nonDroppableSprite.y = 100;         droppableSprite.y = 100;         draggableSprite.y = 100;         draggableSprite.addEventListener(MouseEvent.MOUSE_DOWN,              startDragSprite);         draggableSprite.addEventListener(MouseEvent.MOUSE_UP,              stopDragSprite);     }     private function startDragSprite(mouseEvent:MouseEvent):void     {         (mouseEvent.target as Sprite).startDrag();     }     private function stopDragSprite(mouseEvent:MouseEvent):void     {         var target:Sprite = mouseEvent.target as Sprite;         if (target.dropTarget == droppableSprite)         {             target.stopDrag();         } else {             target.x = 0;         }     } } }