# Explosion help

**URL:** <https://forum.kirupa.com/t/explosion-help/18385>\
**Category:** flash\
**Created:** [April 16, 2003, 4:24am UTC](https://forum.kirupa.com/t/explosion-help/18385 "2003-04-16T04:24:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![personofdoom](https://avatars.discourse-cdn.com/v4/letter/p/ea5d25/32.png) [@personofdoom](https://forum.kirupa.com/u/personofdoom)\
**Post date:** [April 16, 2003, 4:24am UTC](https://forum.kirupa.com/t/explosion-help/18385/1 "2003-04-16T04:24:11Z")

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How can I make a supernova type effect? Where a bright reddish circle grows bigger and evantually everything turns white?

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [April 16, 2003, 4:32am UTC](https://forum.kirupa.com/t/explosion-help/18385/2 "2003-04-16T04:32:36Z")

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um…make a red gradiented circle, have it grow bigger until it’s the size you want…and then a) set everything’s alpha to 0 or b) make a white square over the whole movie and have it fade in with a motion tween