picking random actors?

sknnyjns

so say i have a field made up of 20x20 grass tiles, but i want to pick random ones, and make change their images. how would i do this?

SlickZero

Each square would have to have it's own name, and it's own attributes. Explaining how is another story. You may benefit from watching this, though.

http://www.youtube.com/user/GameSaladCookbook#p/u/33/eViQjJNaBTw

sknnyjns

thanks. i have already watched the video, and it would be fine. but im not sure how to contrain the position of the new tile over the old tile so that it is still part of the "grid"