Chrysalis - Pattern Test Coverage

pattern/
File: pattern/src/CGAL.cpp
Date: 2026-08-27 18:35:18
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1 #include "CGAL.h"
2
3 using namespace Chrysalis;
4
5 237 double CG::sin(const double value) {
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 237 return round(std::sin(value));
7 }
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9 237 double CG::cos(const double value) {
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 237 return round(std::cos(value));
11 }
12
13 72 double CG::radians(const double degrees) {
14 72 return degrees * CGAL_PI / 180;
15 }
16
17 474 double CG::round(const double value) {
18 static double factor = std::pow(10.0, PRECISION);
19 474 return std::round(value * factor) / factor;
20 }
21
22 3 CG::Vector CG::rotate(const Vector& vector, double angle) {
23 3 angle = angle * CGAL_PI / 180;
24
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 9 return CGAL::Aff_transformation_2<LinearKernel>(CGAL::ROTATION, sin(angle), cos(angle))(vector);
25 }
26
27 6 double CG::angle(const Vector& vector1, const Vector& vector2) {
28
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 6 return std::abs(std::atan2(vector1.y(), vector1.x()) - std::atan2(vector2.y(), vector2.x())) * 180.0 / CGAL_PI;
29 }
30
31 37 double CG::angle(const Point& pointFrom, const Point& pointTo) {
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 37 const Vector v = pointTo - pointFrom;
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 74 return std::atan2(CGAL::to_double(v.y()), CGAL::to_double(v.x())) * 180.0 / CGAL_PI;
34 }
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36 45 double CG::length(const Point& pointFrom, const Point& pointTo) {
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 45 const Vector v = pointFrom - pointTo;
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 90 return std::sqrt(CGAL::to_double(v.squared_length()));
39 }
40
41 12 CG::Point CG::mirror(const Point& point, const Point& center) {
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 12 return center + (center - point);
43 }
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45 24 CG::Point CG::relativePoint(const Point& pointFrom, const Vector& vector) {
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 24 return Point(pointFrom.x() + vector.x(), pointFrom.y() + vector.y());
47 }
48
49 213 CG::Point CG::relativePoint(const Point& pointFrom, double angle, double length) {
50 213 angle = angle * CGAL_PI / 180;
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 213 return Point(pointFrom.x() + length * cos(angle), pointFrom.y() + length * sin(angle));
52 }
53
54 3 CG::Point CG::projection(const Point& point, const Line& line) {
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 3 return line.projection(point);
56 }
57
58 ✗ std::optional<CG::Point> CG::xIntersection(const Point& pointFrom, const Point& pointTo) {
59
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 ✗ static Line xAxis(Point(0, 0), Point(1, 0));
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 ✗ return CG::intersection(xAxis, Line(pointFrom, pointTo));
61 }
62
63 ✗ std::optional<CG::Point> CG::yIntersection(const Point& pointFrom, const Point& pointTo) {
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 ✗ static Line yAxis(Point(0, 0), Point(0, 1));
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 ✗ return CG::intersection(yAxis, Line(pointFrom, pointTo));
66 }
67
68 6 CG::Point CG::circlesIntersection(const Point& anchor,
69 CPoint center1, const double radius1,
70 CPoint center2, const double radius2) {
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 6 const Circle circle1(center1, std::pow(radius1, 2));
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 6 const Circle circle2(center2, std::pow(radius2, 2));
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 6 std::vector<CCIntersection> intersections;
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 6 CGAL::intersection(circle1, circle2, std::back_inserter(intersections));
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 6 Point intersectionPoint;
78 6 double minSDistance = std::numeric_limits<double>::max();
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 18 for (const auto& intersection : intersections) {
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 12 const auto point = std::get<std::pair<CArcPoint, unsigned int>>(intersection).first;
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 12 const double x = CGAL::to_double(point.x());
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 12 const double y = CGAL::to_double(point.y());
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 12 if (const double distance = std::pow(x - anchor.x(), 2) + std::pow(y - anchor.y(), 2); distance < minSDistance) {
84 6 minSDistance = distance;
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 6 intersectionPoint = Point(x, y);
86 }
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 12 }
88 6 return intersectionPoint;
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 6 }
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