Hi,
What is A, B, C and AB? I assume you use ^ to indicate unit vector (a
bit strange imo ;)
-M
Amir Taaki wrote:
> Hi!
>
> So right now to find the closest point on a line segment I project the
> vectors. Then to see if the point is outside the segment I do,
>
> c = C - A
> if (c^ = AB^)
> {
> if (|c| < |AB|) => lies inside segment
> else
> return B
> }
> else
> return A
>
> Is there a way to do it without a sqrt? the one needed to calculate the
> unit vectors?
>
>
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