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Keep Larger Image or Object draggable within stage - Actionscript

/ Published in: ActionScript 3
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This function will keep an image that is larger than the stage dragging within the stage view, stopping at any edge of the image.

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  1. hiResSprite.addEventListener(MouseEvent.MOUSE_DOWN,startDragHiRes);
  2.  
  3. function startDragHiRes(e:Event):void {
  4.     var hiResWidth = e.target.width;
  5.     var hiResHeight = e.target.height;
  6.     var stageWidthVal = stage.stageWidth;
  7.     var stageHeightVal = stage.stageHeight;
  8.  
  9.     var hiResX = hiResWidth - stageWidthVal;
  10.     var hiResY = hiResHeight - stageHeightVal;
  11.     var dragWidth = hiResWidth - stageWidthVal;
  12.     var dragHeight = hiResHeight - stageHeightVal;
  13.  
  14.     var hiResDragRect = new Rectangle(-hiResX,-hiResY,dragWidth,dragHeight);
  15.     hiResSprite.startDrag(false,hiResDragRect);
  16. }

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