Curvey laser vectors

With laser scanners if you draw the next vector too soon the corners will
round out, but if you wait too long it will overshoot and make a little
loop at every corner.

One solution is to overshoot a little but use hardware blanking to cut off
the beam at the end of every vector before it can draw the little
loop. Hardware blanking is a little more expensive... $1795 w/ blanking
instead of $1045 in the case of the CatWeazle scanner.

Doing it this way does slow everything down a little bit, making things
flicker a lot more when you are drawing lots of vectors...but at least
they are straight. Regular (non-vector game) laser graphics are usually
really curvey as to get the maximum drawing speed possible.

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Received on Wed Oct 25 14:37:29 2000