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...Determine if two 2D segments are parallel?
Autor: Arash Partow
Homepage: http://www.partow.net
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Tip Rating (5):  
     


function SegmentsParallel(x1, y1, x2, y2, x3, y3, x4, y4: Double): Boolean;
begin
  
Result := (((y1 - y2) * (x1 - x2)) = ((y3 - y4) * (x3 - x4)));
end;
(* End Of SegmentsParallel *)

// vérifie si 2 droites bidimensionnelles sont parallèles


 

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