public void Shift_TranslateUsingToCoordinateSystem()
{
CoordinateSystem system = new CoordinateSystem(Point.MakePointWithInches(1, -2, -4));
List<LineSegment> bounds = new List<LineSegment>();
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(0, 3, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(4, 1, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 3, 0), Point.MakePointWithInches(4, 3, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(4, 1, 0), Point.MakePointWithInches(4, 3, 0)));
Polygon testPolygon = new Polygon(bounds);
Polygon shifted = testPolygon.Shift(system.ShiftToThisFrom());
List<LineSegment> expectedBounds = new List<LineSegment>();
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(-1, 3, 4), Point.MakePointWithInches(-1, 5, 4)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(-1, 3, 4), Point.MakePointWithInches(3, 3, 4)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(-1, 5, 4), Point.MakePointWithInches(3, 5, 4)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(3, 3, 4), Point.MakePointWithInches(3, 5, 4)));
Polygon expectedPolygon = new Polygon(expectedBounds);
shifted.Should().Be(expectedPolygon);
}
public void CoordinateSystem_Shift_UndoShift()
{
CoordinateSystem system = new CoordinateSystem(Point.MakePointWithInches(-1, 2, 4), new Angle(new Degree(), 123), new Angle(new Degree(), -22), new Angle(new Degree(), 78));
List<LineSegment> bounds = new List<LineSegment>();
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(0, 3, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(4, 1, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 3, 0), Point.MakePointWithInches(4, 3, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(4, 1, 0), Point.MakePointWithInches(4, 3, 0)));
Polygon testPolygon = new Polygon(bounds);
Polygon shifted = testPolygon.Shift(system.ShiftToThisFrom());
Polygon shifted2 = shifted.Shift(system.ShiftFromThisTo());
testPolygon.Should().Be(shifted2);
}
public void Polygon_Copy()
{
List<LineSegment> bounds = new List<LineSegment>();
bounds.Add(new LineSegment(Point.Origin, Point.MakePointWithInches(-1, 5, 0)));
bounds.Add(new LineSegment(Point.Origin, Point.MakePointWithInches(-4, 2, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(-4, 2, 0), Point.MakePointWithInches(-5, 5, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(-1, 5, 0), Point.MakePointWithInches(-5, 5, 0)));
Polygon testPolygon = new Polygon(bounds);
Polygon planeCopy = new Polygon(testPolygon);
//make sure it copied correctly
foreach (LineSegment line in testPolygon.LineSegments)
{
planeCopy.LineSegments.Contains(line).Should().BeTrue();
}
(planeCopy.BasePoint == testPolygon.BasePoint).Should().BeTrue();
(planeCopy.NormalVector == testPolygon.NormalVector).Should().BeTrue();
//now make sure the copy is independent by shifting it and then testing again
planeCopy = planeCopy.Shift(new Shift(new Rotation(Line.XAxis, Angle.RightAngle / 2), Point.MakePointWithInches(1, 4, -2)));
foreach (LineSegment line in testPolygon.LineSegments)
{
planeCopy.LineSegments.Contains(line).Should().BeFalse();
}
(planeCopy.BasePoint == testPolygon.BasePoint).Should().BeFalse();
(planeCopy.NormalVector == testPolygon.NormalVector).Should().BeFalse();
}
public void Shift_ShiftPolygonFromCoordinateSystem()
{
CoordinateSystem system = new CoordinateSystem(Point.MakePointWithInches(0, 1, 0), Angle.RightAngle / 2, new Angle(new Degree(), -45), Angle.ZeroAngle);
List<LineSegment> bounds = new List<LineSegment>();
bounds.Add(new LineSegment(Point.Origin, Point.MakePointWithInches(0, 2, 0)));
bounds.Add(new LineSegment(Point.Origin, Point.MakePointWithInches(4, 0, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(0, 2, 0), Point.MakePointWithInches(4, 2, 0)));
bounds.Add(new LineSegment(Point.MakePointWithInches(4, 0, 0), Point.MakePointWithInches(4, 2, 0)));
Polygon testPolygon = new Polygon(bounds);
Polygon shifted = testPolygon.Shift(system.ShiftFromThisTo());
List<LineSegment> expectedBounds = new List<LineSegment>();
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(-1, 2.41421356237, 1)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(2.82842712475, 1, 2.82842712475)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(-1, 2.41421356237, 1), Point.MakePointWithInches(1.82842712475, 2.41421356237, 3.82842712475)));
expectedBounds.Add(new LineSegment(Point.MakePointWithInches(2.82842712475, 1, 2.82842712475), Point.MakePointWithInches(1.82842712475, 2.41421356237, 3.82842712475)));
Polygon expectedPolygon = new Polygon(expectedBounds);
shifted.Should().Be(expectedPolygon);
}
