76 lines
3.6 KiB
C#
76 lines
3.6 KiB
C#
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using NUnit.Framework;
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namespace Autodesk.Fbx.UnitTests
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{
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internal class FbxNurbsCurveTest : FbxGeometryTestBase<FbxNurbsCurve>
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{
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[Test]
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public void TestBasics()
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{
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base.TestBasics(CreateObject("nurbscurve"), FbxNodeAttribute.EType.eNurbsCurve);
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using (FbxNurbsCurve curve = CreateObject("nurbscurve"))
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{
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// returns -1 if the curve has not been initialized.
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Assert.That(curve.GetSpanCount(), Is.EqualTo(-1));
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curve.SetOrder(4);
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curve.SetDimension(FbxNurbsCurve.EDimension.e3D);
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curve.InitControlPoints(7, FbxNurbsCurve.EType.eOpen);
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curve.SetControlPointAt(new FbxVector4(-104.648651123047, -55.7837829589844, 0, 1), 0);
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curve.SetControlPointAt(new FbxVector4(-109.405403137207, 22.9189186096191, 0, 1), 1);
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curve.SetControlPointAt(new FbxVector4(-73.5135116577148, 76.5405426025391, 0, 1), 2);
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curve.SetControlPointAt(new FbxVector4(21.1891899108887, 91.2432403564453, 0, 1), 3);
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curve.SetControlPointAt(new FbxVector4(83.0270309448242, 62.7027015686035, 0, 1), 4);
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curve.SetControlPointAt(new FbxVector4(109.405403137207, 18.1621627807617, 0, 1), 5);
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curve.SetControlPointAt(new FbxVector4(31.5675678253174, -91.2432403564453, 0, 1), 6);
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var knotCount = curve.GetKnotCount();
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Assert.AreEqual(curve.GetKnotCount(), 11);
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Assert.That(() => curve.SetKnotVectorAt(-1, 0), Throws.Exception.TypeOf<System.ArgumentOutOfRangeException>());
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Assert.That(() => curve.SetKnotVectorAt(11, 0), Throws.Exception.TypeOf<System.ArgumentOutOfRangeException>());
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curve.SetKnotVectorAt(0, 0);
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curve.SetKnotVectorAt(1, 0);
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curve.SetKnotVectorAt(2, 0);
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curve.SetKnotVectorAt(3, 0);
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curve.SetKnotVectorAt(4, 0.25);
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curve.SetKnotVectorAt(5, 0.5);
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curve.SetKnotVectorAt(6, 0.75);
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curve.SetKnotVectorAt(7, 1);
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curve.SetKnotVectorAt(8, 1);
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curve.SetKnotVectorAt(9, 1);
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curve.SetKnotVectorAt(10, 1);
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Assert.That(() => curve.GetKnotVectorAt(-1), Throws.Exception.TypeOf<System.ArgumentOutOfRangeException>());
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Assert.That(() => curve.GetKnotVectorAt(11), Throws.Exception.TypeOf<System.ArgumentOutOfRangeException>());
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Assert.That(curve.GetKnotVectorAt(0), Is.EqualTo(0));
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Assert.That(curve.GetKnotVectorAt(4), Is.EqualTo(0.25));
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Assert.That(curve.GetKnotVectorAt(6), Is.EqualTo(0.75));
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Assert.That(curve.GetKnotVectorAt(10), Is.EqualTo(1));
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curve.SetStep(-1);
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curve.SetStep(int.MaxValue);
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curve.SetStep(2);
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Assert.That(curve.GetStep(), Is.EqualTo(2));
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Assert.That(curve.IsRational(), Is.False);
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// Calculation is as follows:
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// S = Number of spans N = Number of CVs M = Order of the curve.
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// S = N - M + 1;
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// N includes the duplicate CVs for closed and periodic curves.
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Assert.That(curve.GetSpanCount(), Is.EqualTo(4));
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Assert.That(curve.IsBezier(), Is.False);
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Assert.That(curve.IsPolyline(), Is.False);
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Assert.AreEqual(curve.GetOrder(), 4);
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Assert.AreEqual(curve.GetDimension(), FbxNurbsCurve.EDimension.e3D);
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Assert.AreEqual(curve.GetControlPointsCount(), 7);
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}
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}
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}
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}
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