# DDR Help

**URL:** <https://forum.kirupa.com/t/ddr-help/242219>\
**Category:** programming\
**Created:** [October 23, 2007, 7:30pm UTC](https://forum.kirupa.com/t/ddr-help/242219 "2007-10-23T19:30:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![time0ut](https://avatars.discourse-cdn.com/v4/letter/t/48db29/32.png) [@time0ut](https://forum.kirupa.com/u/time0ut)\
**Post date:** [October 23, 2007, 7:30pm UTC](https://forum.kirupa.com/t/ddr-help/242219/1 "2007-10-23T19:30:20Z")

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i’m building a ddr-type game for a friend and can’t get seem to get my head around all of the details.

do i need to detect the tempo or amplitude of the song to get the arrows to sync up?

any pointers on approach for a game like this?

tnx  
time0ut