Beispiel #1
0
        public void It_Returns_Parameter_At_The_Given_Length(double segmentLength, double tValueExpected)
        {
            // Arrange
            NurbsBase curve = NurbsCurveCollection.PlanarCurveDegreeThree();

            // Act
            double parameter = curve.ParameterAtLength(segmentLength);

            // Assert
            parameter.Should().BeApproximately(tValueExpected, GSharkMath.MinTolerance);
        }
Beispiel #2
0
        public void It_Returns_Parameter_At_The_Given_Length_Of_A_Bezier()
        {
            // Arrange
            NurbsBase curve = NurbsCurveCollection.PlanarCurveDegreeThree();

            double[] tValuesExpected = new[] { 0, 0.122941, 0.265156, 0.420293, 0.579707, 0.734844, 0.877059, 1 };

            int    steps      = 7;
            double length     = curve.Length / steps;
            double sumLengths = 0.0;

            for (int i = 0; i < steps + 1; i++)
            {
                // Act
                double t             = curve.ParameterAtLength(sumLengths);
                double segmentLength = curve.LengthAt(t);

                // Assert
                t.Should().BeApproximately(tValuesExpected[i], GSharkMath.MaxTolerance);
                segmentLength.Should().BeApproximately(sumLengths, GSharkMath.MaxTolerance);

                sumLengths += length;
            }
        }