On 10 May 2000 06:44:41 -0400, Warp <war### [at] tagpovrayorg> wrote:

> // supposing that 'Direction' actually is a unit vector

Or if it's not:

#macro Dist(RayOrigin, Direction, Point)
  #local Dir=vnormalize(Direction);
  ((Point.x-RayOrigin.x)/Dir.x)
#end


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG      e-mail : pet### [at] tagpovrayorg

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