 		if (value == _rotationY)
 			return;
 		_rotationY = value;
-		invalidate(INVALIDATE_FROM_PROPERTY,true);
+		invalidate(INVALIDATE_FROM_PROPERTY, true /*affects3D*/);
 	}
 	
     /**

	
	
	/** 
    *  Applies the delta to the transform's translation component. Unlike setting the x, y, or z properties directly,
	*  this method can be safely called without changing the transform's concept of 'the source of truth'.
	*  
	*  @langversion 3.0
	*  @playerversion Flash 9
	*  @playerversion AIR 1.1
	*  @productversion Flex 3
	*/
	public function translateBy(x:Number,y:Number,z:Number = 0):void
	{
		if (_flags & MATRIX_VALID)

		if (value == _scaleX)
			return;
		_scaleX = value;
		invalidate(INVALIDATE_FROM_PROPERTY, false /*affects3D*/);
	}
	
    /**
