# Dynamic mask not working with rotation x

**URL:** <https://forum.kirupa.com/t/dynamic-mask-not-working-with-rotation-x/298688>\
**Category:** Uncategorized\
**Created:** [October 23, 2009, 3:25am UTC](https://forum.kirupa.com/t/dynamic-mask-not-working-with-rotation-x/298688 "2009-10-23T03:25:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![DashMasterful](https://avatars.discourse-cdn.com/v4/letter/d/59ef9b/32.png) [@DashMasterful](https://forum.kirupa.com/u/DashMasterful)\
**Post date:** [October 23, 2009, 3:25am UTC](https://forum.kirupa.com/t/dynamic-mask-not-working-with-rotation-x/298688/1 "2009-10-23T03:25:39Z")

</div>

i have an object that that I would like to apply a mask to like:

myObject.mask = theMask

this works fine but when I alter the rotationX property like so

myObject.rotationX = 10;

the mask no longer works, any ideas