forked from mirror/DotRecast
112 lines
3.6 KiB
C#
112 lines
3.6 KiB
C#
using System;
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using System.Numerics;
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using DotRecast.Core.Numerics;
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using NUnit.Framework;
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namespace DotRecast.Core.Test;
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public class Vector3Tests
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{
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[Test]
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[Repeat(100000)]
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public void TestVectorLength()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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Assert.That(v1.Length(), Is.EqualTo(v11.Length()));
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Assert.That(v1.LengthSquared(), Is.EqualTo(v11.LengthSquared()));
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}
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[Test]
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[Repeat(100000)]
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public void TestVectorSubtract()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v2 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v3 = Vector3.Subtract(v1, v2);
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var v4 = v1 - v2;
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Assert.That(v3, Is.EqualTo(v4));
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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var v22 = new RcVec3f(v2.X, v2.Y, v2.Z);
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var v33 = RcVec3f.Subtract(v11, v22);
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var v44 = v11 - v22;
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Assert.That(v33, Is.EqualTo(v44));
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Assert.That(v3.X, Is.EqualTo(v33.X));
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Assert.That(v3.Y, Is.EqualTo(v33.Y));
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Assert.That(v3.Z, Is.EqualTo(v33.Z));
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}
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[Test]
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[Repeat(100000)]
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public void TestVectorAdd()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v2 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v3 = Vector3.Add(v1, v2);
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var v4 = v1 + v2;
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Assert.That(v3, Is.EqualTo(v4));
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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var v22 = new RcVec3f(v2.X, v2.Y, v2.Z);
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var v33 = RcVec3f.Add(v11, v22);
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var v44 = v11 + v22;
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Assert.That(v33, Is.EqualTo(v44));
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Assert.That(v3.X, Is.EqualTo(v33.X));
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Assert.That(v3.Y, Is.EqualTo(v33.Y));
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Assert.That(v3.Z, Is.EqualTo(v33.Z));
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}
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[Test]
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[Repeat(100000)]
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public void TestVectorNormalize()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v2 = Vector3.Normalize(v1);
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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var v22 = RcVec3f.Normalize(v11);
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Assert.That(v2.X, Is.EqualTo(v22.X).Within(0.000001d));
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Assert.That(v2.Y, Is.EqualTo(v22.Y).Within(0.000001d));
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Assert.That(v2.Z, Is.EqualTo(v22.Z).Within(0.000001d));
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}
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[Test]
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[Repeat(100000)]
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public void TestVectorCross()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v2 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var v3 = Vector3.Cross(v1, v2);
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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var v22 = new RcVec3f(v2.X, v2.Y, v2.Z);
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var v33 = RcVec3f.Cross(v11, v22);
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Assert.That(v3.X, Is.EqualTo(v33.X));
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Assert.That(v3.Y, Is.EqualTo(v33.Y));
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Assert.That(v3.Z, Is.EqualTo(v33.Z));
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}
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[Test]
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[Repeat(100000)]
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public void TestVectorCopyTo()
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{
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var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
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var array1 = new float[3];
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v1.CopyTo(array1);
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var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
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var array11 = new float[3];
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v11.CopyTo(array11);
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Assert.That(array1, Is.EqualTo(array11));
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}
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} |