ActionScript rotated sprite's startDrag bounds

Posted by TheDarkIn1978 on Stack Overflow See other posts from Stack Overflow or by TheDarkIn1978
Published on 2010-04-10T20:25:39Z Indexed on 2010/04/10 20:33 UTC
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when assigning a bounds to a draggable sprite, it doesn't seem to take rotation of the sprite into consideration.

the code below adds a sprite to the display list, rotates it 45º, and adds a MouseEvent.MOUSE_DOWN event to allow dragging.

the startDrag() method's second parameter simply returns the bounds of the stage as a rectangle. however, because of the sprite's rotation, its corners can be dragged past the bounds of the stage.

any thoughts?

var mySprite:Sprite = new Sprite();
mySprite.graphics.beginFill(0x0000FF, 1);
mySprite.graphics.drawRect(0, 0, 200, 200);
mySprite.graphics.endFill();
mySprite.rotation = 45;
addChild(mySprite);

mySprite.addEventListener(MouseEvent.MOUSE_DOWN, dragSprite, false, 0, true);

function dragSprite(evt:MouseEvent):void
    {
    evt.target.startDrag(false, spriteBounds());
    }

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