# Game programming question

**URL:** <https://forum.kirupa.com/t/game-programming-question/18548>\
**Category:** flash\
**Created:** [April 17, 2003, 9:32pm UTC](https://forum.kirupa.com/t/game-programming-question/18548 "2003-04-17T21:32:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ludovic](https://avatars.discourse-cdn.com/v4/letter/l/7ab992/32.png) [@Ludovic](https://forum.kirupa.com/u/Ludovic)\
**Post date:** [April 17, 2003, 9:32pm UTC](https://forum.kirupa.com/t/game-programming-question/18548/1 "2003-04-17T21:32:51Z")

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I started to program an isometric game, like age of empire, or red alert. I have some problems with the code…

- I dun know how to figure the code that drags the building over “tiles”.

- I can’t figure out how for an unit can find it’s path when there are obstacles

- How can i select a bunch of units when I draw a rectangle around them

- How can units get in positions like “square” or “rectangle”

If some of you can help me, that would be nice