Commit a82f1f94 by Ulrich Kemloh

### comment on the WhichSide function in class Line

parent 82357164
 ... ... @@ -340,18 +340,9 @@ bool Line::IsVertical() { } int Line::WichSide(const Point &pt) { //special case for horizontal lines if (IsVertical()) { //left if (pt._x < _point1._x) return 0; //right or colinear if (pt._x >= _point1._x) return 1; } return ((_point2._x - _point1._x) * (pt._y - _point1._y) - (_point2._y - _point1._y) * (pt._x - _point1._x)) > 0; if(IsLeft(pt)) return 0; return 1; } ... ...
 ... ... @@ -42,7 +42,8 @@ class OutputHandler; extern OutputHandler* Log; class Line { class Line { private: Point _point1; Point _point2; ... ... @@ -198,14 +199,14 @@ public: bool HasEndPoint(const Point& point) const; /** * return the same value if the checked points are all situated on the same side. * @return 0 or 1 depending on which side of the line the point is located. * Determine on which side the point is located on of the line directed from (_point1 to _point2). * @return 0 (Left) or 1 (Right) depending on which side of the line the point is located. * The return value is undefined if the points are colinear. */ int WichSide (const Point& pt); /** * @return true if the point is located in the left hand side of the line. * For horizontal lines return true if the point is above the line. * @return true if the point is located in the left hand side of the line directed from (_point1 to _point2). */ bool IsLeft (const Point& pt); ... ...
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