Files
FlaxEngine/Source/Engine/Tests/TestMath.cs
2024-02-26 19:00:48 +01:00

49 lines
1.8 KiB
C#

// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if FLAX_TESTS
using System;
using NUnit.Framework;
namespace FlaxEngine.Tests
{
/// <summary>
/// Tests for <see cref="Mathf"/> and <see cref="Mathd"/>.
/// </summary>
[TestFixture]
public class TestMath
{
/// <summary>
/// Test unwinding angles.
/// </summary>
[Test]
public void TestUnwind()
{
Assert.AreEqual(0.0f, Mathf.UnwindDegreesAccurate(0.0f));
Assert.AreEqual(45.0f, Mathf.UnwindDegreesAccurate(45.0f));
Assert.AreEqual(90.0f, Mathf.UnwindDegreesAccurate(90.0f));
Assert.AreEqual(180.0f, Mathf.UnwindDegreesAccurate(180.0f));
Assert.AreEqual(0.0f, Mathf.UnwindDegreesAccurate(360.0f));
Assert.AreEqual(0.0f, Mathf.UnwindDegrees(0.0f));
Assert.AreEqual(45.0f, Mathf.UnwindDegrees(45.0f));
Assert.AreEqual(90.0f, Mathf.UnwindDegrees(90.0f));
Assert.AreEqual(180.0f, Mathf.UnwindDegrees(180.0f));
Assert.AreEqual(0.0f, Mathf.UnwindDegrees(360.0f));
var fError = 0.001f;
var dError = 0.00001;
for (float f = -400.0f; f <= 400.0f; f += 0.1f)
{
var f1 = Mathf.UnwindDegreesAccurate(f);
var f2 = Mathf.UnwindDegrees(f);
if (Mathf.Abs(f1 - f2) >= fError)
throw new Exception($"Failed on angle={f}, {f1} != {f2}");
var d = (double)f;
var d1 = Mathd.UnwindDegreesAccurate(d);
var d2 = Mathd.UnwindDegrees(d);
if (Mathd.Abs(d1 - d2) >= dError)
throw new Exception($"Failed on angle={d}, {d1} != {d2}");
}
}
}
}
#endif