# Smooth Bitmap tweening problem

**URL:** <https://forum.kirupa.com/t/smooth-bitmap-tweening-problem/274494>\
**Category:** flash\
**Created:** [October 30, 2008, 5:47pm UTC](https://forum.kirupa.com/t/smooth-bitmap-tweening-problem/274494 "2008-10-30T17:47:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![psykovsky](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/psykovsky/32/1386_2.png) [@psykovsky](https://forum.kirupa.com/u/psykovsky)\
**Post date:** [October 30, 2008, 5:47pm UTC](https://forum.kirupa.com/t/smooth-bitmap-tweening-problem/274494/1 "2008-10-30T17:47:48Z")

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Hello,  
I am trying to animate few windows through a native flash tween class. While the movement is applied to the vector objects it works just fine, thou when I have some bitmap objects I get this stuttering effect. My theory is that bitmaps only moves in pixel levels while vectors can slide through sub-pixel ones.  
So my question is: Is there a way to alter bitmap data so that it could move through sub-pixel levels as well?

If you don’t understand the question let me know, I’ll make some examples…

Thanks in advance,  
**Psykovsky**