44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
#ifndef LINE_H_
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#define LINE_H_
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#include "Vertex.h"
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#include <math.h>
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#define INTERSECTION_ERROR -1
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#define INTERSECTION_NONE 0
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#define INTERSECTION_IDENTICAL 1
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#define INTERSECTION_LINE 2
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#define INTERSECTION_LINE_LINE 2
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#define INTERSECTION_LINE_SEGMENT 3
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#define INTERSECTION_SEGMENT_LINE 6
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#define INTERSECTION_SEGMENT_SEGMENT 7
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class Line {
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private:
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Vertex v1, v2;
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public:
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Line() {}
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Line(const Vertex& vertex1, const Vertex& vertex2) :
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v1(vertex1), v2(vertex2) {}
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Line(float x1, float y1, float x2, float y2) :
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v1(x1, y1), v2(x2, y2) {}
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Vertex &getVertex1() {return v1;}
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const Vertex &getVertex1() const {return v1;}
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void setVertex1(const Vertex &v) {v1 = v;}
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Vertex &getVertex2() {return v2;}
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const Vertex &getVertex2() const {return v2;}
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void setVertex2(const Vertex &v) {v2 = v;}
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float lengthSq() const {return v1.distanceSq(v2);}
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float length() const {return sqrtf(lengthSq());}
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bool contains(const Vertex &v) const;
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int intersects(const Line &l, Vertex *v) const;
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};
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#endif /*LINE_H_*/
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