# Help: jumping object

**URL:** <https://forum.kirupa.com/t/help-jumping-object/14323>\
**Category:** Uncategorized\
**Created:** [February 25, 2003, 2:16am UTC](https://forum.kirupa.com/t/help-jumping-object/14323 "2003-02-25T02:16:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bean](https://avatars.discourse-cdn.com/v4/letter/b/f19dbf/32.png) [@bean](https://forum.kirupa.com/u/bean)\
**Post date:** [February 25, 2003, 2:16am UTC](https://forum.kirupa.com/t/help-jumping-object/14323/1 "2003-02-25T02:16:53Z")

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i got problem to create a elastic ball, my friend said it can be created by “frame by frame” method or write action script (use math calculation)

i confuse about it, how the math calculation done actually?  
anyone know it?

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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:** [February 25, 2003, 2:22am UTC](https://forum.kirupa.com/t/help-jumping-object/14323/2 "2003-02-25T02:22:10Z")

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i post the wrong place, next time i’ll remember