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23 lines
501 B
C++
23 lines
501 B
C++
#ifndef INTELLIHELPER_H
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#define INTELLIHELPER_H
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#include<QPoint>
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class IntelliHelper{
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public:
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//checks for orientation:
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// 0 - colinear
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// 1 - clockwise
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// 2 - counter clockwise
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static int orientation(QPoint& p1, QPoint& p2, QPoint& p3);
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//checks if q is on segment p1-p2
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static bool onSegment(QPoint& p1, QPoint& q, QPoint& p2);
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//cheks if p1-q1 intersects with p2-q2
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static bool hasIntersection(QPoint& p1, QPoint& q1, QPoint& p2, QPoint& q2);
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};
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#endif
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