Hi,
I have recently stumbled upon a head tracking program called Cachya. From what I've read, it tracks a piece of paper that the player puts on a hat.
I have seen videos demonstrating its accuracy, and it seems to work great.
So I've downloaded the trial version from Cachya.com, but when I choose my webcam as the tracking source, the program crashes. I have tried all versions of the program. The website has a forum, but it's dead. No one responds there. Also, some reported not getting an activation key, after paying for the application (which is $15, I believe).
Anyway, I'd like to know if there's anything I can do to stop the program from crashing. It gives me the following error:
"The instruction at 0x0040f6ae referenced memory at 0x6111001. The memory could not be read.
Click on OK to terminate the program."
Please give the program a try so I would know if the problem is my PS3 Eye. Keithb77, if you're reading this, give it a try, will ya?

The program is just a few MBs, so don't be afraid.
