>>1 &
>>4 here
>>5
Isn't ray-casting just ray-tracing without the recursion?
I've been considering diving through thrift stores for old machines that I could put to the task, and if I understand your post correctly, a cloud of 20 of these would perform the task better than a cloud of 5 or 10 quad-core machines?
>>8
It's all interesting. More interesting than half the other threads right now.