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Last change
on this file since 495a53 was 25e17e9, checked in by Tillmann Crueger <crueger@…>, 15 years ago |
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Added a line class that represents one dimensional subspaces
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Property mode
set to
100644
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File size:
632 bytes
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| 1 | /*
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| 2 | * Line.cpp
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| 3 | *
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| 4 | * Created on: Apr 30, 2010
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| 5 | * Author: crueger
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| 6 | */
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| 7 |
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| 8 | #include "Line.hpp"
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| 9 |
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| 10 | #include <cmath>
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| 11 |
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| 12 | #include "vector.hpp"
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| 13 |
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| 14 | Line::Line(Vector &_origin, Vector &_direction) :
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| 15 | origin(new Vector(_origin)),
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| 16 | direction(new Vector(_direction))
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| 17 | {
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| 18 | direction->Normalize();
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| 19 | }
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| 20 |
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| 21 | Line::~Line()
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| 22 | {}
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| 23 |
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| 24 |
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| 25 | double Line::distance(const Vector &point) const{
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| 26 | return fabs(point.ScalarProduct(*direction) - origin->ScalarProduct(*direction));
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| 27 | }
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| 28 |
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| 29 | Vector Line::getClosestPoint(const Vector &point) const{
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| 30 | double factor = point.ScalarProduct(*direction) - origin->ScalarProduct(*direction);
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| 31 | return (point - (factor * (*direction)));
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| 32 | }
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