# Masking shape tween

**URL:** <https://forum.kirupa.com/t/masking-shape-tween/217100>\
**Category:** Uncategorized\
**Created:** [February 23, 2007, 1:17am UTC](https://forum.kirupa.com/t/masking-shape-tween/217100 "2007-02-23T01:17:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jcombs\_31](https://avatars.discourse-cdn.com/v4/letter/j/76d3ee/32.png) [@jcombs\_31](https://forum.kirupa.com/u/jcombs_31)\
**Post date:** [February 23, 2007, 1:17am UTC](https://forum.kirupa.com/t/masking-shape-tween/217100/1 "2007-02-23T01:17:29Z")

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How do you achieve this effect

![](http://multimedia-technologies.com/misc/progress.gif)

Where the stroke animates around the circle in a tween