How to find a random point in a quadrangle?

Question

I have to be able to set a random location for a waypoint for a flight sim. The maths challenge is straightforward:

\"To find a single random location within a quadrangl

Answer 1

This is an interesting problem and there's probably as really interesting answer, but in case you just want it to work, let me offer you something simple.

Here's the algorithm:

1. Pick a random point that is within the rectangle that bounds the quadrangle.
2. If it is not within the quadrangle (or whatever shape), repeat.
3. Profit!

edit

I updated the first step to mention the bounding box, per Bart K.'s suggestion.