Algorithm help

[VanL]

Andrew Henshaw wrote:

> 
> If your coordinates can describe arbitrarily-angled line segments, then
> I would look at the Bresenham line algorithm.  Given your statement of the
> problem, however, I would suspect that your maze has only vertical and 
> horizontal walls.  In that case, I'd just check coordinate pairs and step
> through the axis that changes.



Thank you!  I didn't know about this algorithm but it was 
exactly what I needed.

VanL