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...Determine if 3 points are collinear in 2D?
Autor: Arash Partow
Homepage: http://www.partow.net
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Tip Rating (15):  
     


function Collinear(x1, y1, x2, y2, x3, y3: Double): Boolean;
begin
  
Result := (((x2 - x1) * (y3 - y1) - (x3 - x1) * (y2 - y1)) = 0);
end;
(* End Of Collinear *)

// vérifier si 3 points appartiennent à une même droite bidimensionnelle
// c.a.d s'ils sont alignés.


 

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