# Planet Simulation problem

**URL:** <https://forum.kirupa.com/t/planet-simulation-problem/318979>\
**Category:** flash\
**Created:** [February 5, 2011, 4:53am UTC](https://forum.kirupa.com/t/planet-simulation-problem/318979 "2011-02-05T04:53:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![saykharng](https://avatars.discourse-cdn.com/v4/letter/s/f17d59/32.png) [@saykharng](https://forum.kirupa.com/u/saykharng)\
**Post date:** [February 5, 2011, 4:53am UTC](https://forum.kirupa.com/t/planet-simulation-problem/318979/1 "2011-02-05T04:53:16Z")

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Hi there, I’m a normal AScripter, I’m design 2d planet simulation game. But having problem with physics and gravity programming, need help seriously. You can see this([http://dan-ball.jp/en/javagame/planet/](http://dan-ball.jp/en/javagame/planet/) ) for example.

Plz help!!!

Thanks for reading