# I need help - alpha graphic fade with inertia

**URL:** <https://forum.kirupa.com/t/i-need-help-alpha-graphic-fade-with-inertia/148845>\
**Category:** Uncategorized\
**Created:** [May 24, 2005, 1:42am UTC](https://forum.kirupa.com/t/i-need-help-alpha-graphic-fade-with-inertia/148845 "2005-05-24T01:42:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![peggyng](https://avatars.discourse-cdn.com/v4/letter/p/eada6e/32.png) [@peggyng](https://forum.kirupa.com/u/peggyng)\
**Post date:** [May 24, 2005, 1:42am UTC](https://forum.kirupa.com/t/i-need-help-alpha-graphic-fade-with-inertia/148845/1 "2005-05-24T01:42:50Z")

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halow everyone,

In the tutorial - alpha graphic fade with inertia, the graphic size given is 400_400.  
But what if my graphic size is 100_340?  
How do i make the graphic change only when the mouse move within the area?

Pls help!