//
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// Created by YY on 2019/4/30.
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//
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#ifndef GUI_GEOMETRY_H
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#define GUI_GEOMETRY_H
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#include <stdint.h>
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#include <initializer_list>
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#include <vector>
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typedef enum
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{
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GM_None,
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GM_Tangent,
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GM_Intersection,
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GM_Containment
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} relation_t;
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typedef struct PointF_ {
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double X;
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double Y;
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} PointF;
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typedef struct Line_ {
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double X1;
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double Y1;
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double X2;
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double Y2;
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} Line;
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typedef struct Polygon_ {
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int num;
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PointF *point;
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} Polygon;
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typedef struct Circle_ {
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PointF centre;
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double radius;
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} Circle;
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#define MAKE_LINE(a, b, c) { (a).X1=b.X; (a).Y1=b.Y; (a).X2=c.X; (a).Y2=c.Y; }
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double toRadians(double degree);
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double toDegree(double radians);
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bool isEqual(double a, double b);
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bool isEqual2(double a, double b);
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void MakeLine(Line *line, const PointF *p1, const PointF *p2);
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void MakePolygon(Polygon *polygon, std::initializer_list<PointF> point_set);
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void CleanPolygon(Polygon *polygon);
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void MakeHidePoint(PointF *point, const PointF *bp, const Line *bl);
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relation_t IntersectionOf(const Polygon *polygon1, const Polygon *polygon2);
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relation_t IntersectionOf(Line line, const Polygon *polygon);
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relation_t IntersectionOf(PointF point, const Polygon *polygon);
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relation_t IntersectionOf(PointF point, Line line);
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relation_t IntersectionOf(Line line1, Line line2);
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double DistanceOf(PointF point1, PointF point2);
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double DistanceOf(PointF point, Line line);
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double YawOf(PointF p1, PointF p2);
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double YawOf(Line &line);
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double AngleOf(PointF p1, PointF p2, PointF p3);
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double AngleOfTowLine(Line base, Line dest);
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double DeltaYaw(double yaw1, double yaw2);
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double CalculateAngle(Line base, Line dest);
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PointF rotatePoint(PointF oldPoint, PointF centre, double degree);
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PointF centerOfTwoPoint(PointF p1, PointF p2);
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bool InsidePolygon(const Polygon *t1, const Polygon *t2);
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bool PartInsidePolygon(const Polygon *t1, const Polygon *t2);
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bool OutsidePolygon(const Polygon *t1, const Polygon *t2);
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typedef enum {
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REL_POS_ON,
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REL_POS_LEFT,
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REL_POS_RIGHT,
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REL_POS_FRONT,
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REL_POS_REAR
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} relational_position_t;
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relational_position_t IntersectionOfLine(PointF p1, PointF p2, PointF p3);
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relational_position_t IntersectionOfLine(PointF p, Line line);
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PointF GetVerticalPoint(PointF p1, PointF p2, PointF p3);
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bool VerticalPointOnLine(PointF point, Line line);
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bool VerticalPointOnLine(PointF point, Line line, PointF &vp);
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PointF Calc3Point(PointF p1, PointF p2, double L, char dir);
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PointF PointExtend(PointF ori, double length, double yaw);
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bool IsSamePoint(PointF p1, PointF p2);
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double AvgYaw(std::vector<double> &angles);
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bool Calc3PointCircle(PointF p1, PointF p2, PointF p3, Circle &circle);
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#endif //GUI_GEOMETRY_H
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