static Shape <double> CreatePathShape(ConvolutionFactory factory) { var pathSegment = factory.CreateSegment( startX: 0.0, startY: 0.0, endX: 1.0, endY: 2.0, weight: 1); var pathReverseSegment = factory.CreateSegment( startX: 1.0, startY: 2.0, endX: 0.0, endY: 0.0, weight: 1); var smoothingArc1 = factory.CreateArc( pathSegment.Start, factory.CreateDirectionRange( pathReverseSegment.Direction.NormalDirection().Opposite(), pathSegment.Direction.NormalDirection().Opposite(), Orientation.CounterClockwise), 0.0, 1); var smoothingArc2 = factory.CreateArc( pathReverseSegment.Start, factory.CreateDirectionRange( pathSegment.Direction.NormalDirection().Opposite(), pathReverseSegment.Direction.NormalDirection().Opposite(), Orientation.CounterClockwise), 0.0, 1); return(factory.CreateShape( new Tracing <double>[] { smoothingArc1, pathSegment, smoothingArc2, pathReverseSegment })); }
static Shape <double> CreateDiskShape(ConvolutionFactory factory) { var eastDirection = factory.CreateDirection(1.0, 0.0); var diskArc = factory.CreateArc( center: factory.CreatePoint(0.0, 0.0), directions: factory.CreateDirectionRange(eastDirection, eastDirection, Orientation.CounterClockwise), radius: 1.0, weight: 1); return(factory.CreateShape(new[] { diskArc })); }
public void When_Two_Shapes_Are_Convolved_Then_Parent1_Should_Belong_To_Shape1_And_Parent2_Should_Belong_To_Shape2() { // Arrange var shape1 = createShape1(); var shape2 = createShape2(); // Act var convolution = _factory.ConvolveShapes(shape1, shape2); // Assert convolution.ConvolvedTracings.ToList() .ForEach(convolvedTracing => shape1.Tracings.Contains(convolvedTracing.Parent1).Should().BeTrue()); convolution.ConvolvedTracings.ToList() .ForEach(convolvedTracing => shape2.Tracings.Contains(convolvedTracing.Parent2).Should().BeTrue()); Shape <double> createShape1() { var weight = new Fraction(1, 2); var d1 = _factory.CreateDirection(-1, 2); var d2 = _factory.CreateDirection(-1, -2); var d3 = _factory.CreateDirection(2, 0); var c1 = _factory.CreatePoint(1, 0); var c2 = _factory.CreatePoint(0, 2); var c3 = _factory.CreatePoint(-1, 0); var range1 = _factory.CreateDirectionRange( d3.NormalDirection().Opposite(), d1.NormalDirection().Opposite(), Orientation.CounterClockwise); var range2 = _factory.CreateDirectionRange( d1.NormalDirection().Opposite(), d2.NormalDirection().Opposite(), Orientation.CounterClockwise); var range3 = _factory.CreateDirectionRange( d2.NormalDirection().Opposite(), d3.NormalDirection().Opposite(), Orientation.CounterClockwise); var arc1 = _factory.CreateArc(c1, range1, 1.0, weight); var arc2 = _factory.CreateArc(c2, range2, 1.0, weight); var arc3 = _factory.CreateArc(c3, range3, 1.0, weight); var segment1 = _factory.CreateSegment(arc1.End, arc2.Start, weight); var segment2 = _factory.CreateSegment(arc2.End, arc3.Start, weight); var segment3 = _factory.CreateSegment(arc3.End, arc1.Start, weight); return(_factory.CreateShape( new Tracing <double>[] { arc1, segment1, arc2, segment2, arc3, segment3 })); } Shape <double> createShape2() { var weight = new Fraction(1, 2); var d1 = _factory.CreateDirection(0, 3); var d2 = _factory.CreateDirection(-3, 0); var d3 = _factory.CreateDirection(0, -3); var d4 = _factory.CreateDirection(3, 0); var c1 = _factory.CreatePoint(3, 0); var c2 = _factory.CreatePoint(3, 3); var c3 = _factory.CreatePoint(0, 3); var c4 = _factory.CreatePoint(0, 0); var range1 = _factory.CreateDirectionRange( d4.NormalDirection().Opposite(), d1.NormalDirection().Opposite(), Orientation.CounterClockwise); var range2 = _factory.CreateDirectionRange( d1.NormalDirection().Opposite(), d2.NormalDirection().Opposite(), Orientation.CounterClockwise); var range3 = _factory.CreateDirectionRange( d2.NormalDirection().Opposite(), d3.NormalDirection().Opposite(), Orientation.CounterClockwise); var range4 = _factory.CreateDirectionRange( d3.NormalDirection().Opposite(), d4.NormalDirection().Opposite(), Orientation.CounterClockwise); var arc1 = _factory.CreateArc(c1, range1, 1.0, weight); var arc2 = _factory.CreateArc(c2, range2, 1.0, weight); var arc3 = _factory.CreateArc(c3, range3, 1.0, weight); var arc4 = _factory.CreateArc(c4, range4, 1.0, weight); var segment1 = _factory.CreateSegment(arc1.End, arc2.Start, weight); var segment2 = _factory.CreateSegment(arc2.End, arc3.Start, weight); var segment3 = _factory.CreateSegment(arc3.End, arc4.Start, weight); var segment4 = _factory.CreateSegment(arc4.End, arc1.Start, weight); return(_factory.CreateShape( new Tracing <double>[] { arc1, segment1, arc2, segment2, arc3, segment3, arc4, segment4 })); } }