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Topic: Never mind
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Posts: 4
Registered: 1/25/05
Never mind
Posted: Nov 5, 2004 12:07 AM
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I figured out the problem with the midpoint on an unknown line segment
issue and got it down to a much more manageable solution.

r = q / sqrt(m^2 + 1)
s = r * m

x2 = x1 - r
y2 = y1 - s
x3 = x1 + r
y3 = y1 + s

One division, two multiplies, and one costly sqrt(). High performance
alternatives to sqrt() would still be appreciated, but the majority of
the issues are worked out.

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