67 lines
1.9 KiB
C#
67 lines
1.9 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Numerics;
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using NUnit.Framework;
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namespace UniGLTF
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{
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public class NumericTests
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{
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[Test]
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[Category("Numerics")]
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public void QuaternionTest()
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{
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var orgAxis = Vector3.Normalize(new Vector3(1, 2, 3));
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var orgAngle = 90 * NumericsExtensions.TO_RAD;
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var q = Quaternion.CreateFromAxisAngle(orgAxis, orgAngle);
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var (axis, angle) = q.GetAxisAngle();
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Assert.AreEqual(orgAxis, axis);
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Assert.AreEqual(orgAngle, angle);
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}
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[Test]
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[Category("Numerics")]
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public void Vector3Test()
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{
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var v = new Vector3(1, 2, 3);
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var r = v.ReverseZ();
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Assert.AreEqual(new Vector3(1, 2, -3), r);
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}
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[Test]
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[Category("Numerics")]
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public void MatrixTranslationTest()
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{
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var t = new Vector3(1, 2, 3);
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var m = Matrix4x4.CreateTranslation(t);
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var ex = m.ExtractPosition();
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Assert.AreEqual(t, ex);
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}
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[Test]
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[Category("Numerics")]
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public void MatrixRotationTest()
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{
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var orgAxis = Vector3.Normalize(new Vector3(1, 2, 3));
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var orgAngle = 90 * NumericsExtensions.TO_RAD;
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var q = Quaternion.CreateFromAxisAngle(orgAxis, orgAngle);
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var m = Matrix4x4.CreateFromQuaternion(q);
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var ex = m.ExtractRotation();
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var (axis, angle) = ex.GetAxisAngle();
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Assert.True(orgAxis.NearlyEqual(axis));
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Assert.True(orgAngle.NearlyEqual(angle));
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Assert.True(q.NearlyEqual(ex));
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}
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[Test]
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[Category("Numerics")]
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public void MatrixScaleTest()
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{
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var s = new Vector3(2, 3, 4);
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var m = Matrix4x4.CreateScale(s);
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var ex = m.ExtractScale();
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Assert.AreEqual(s, ex);
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}
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}
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}
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