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refactor: RcVec3f.Lerp

This commit is contained in:
ikpil 2023-10-27 00:03:03 +09:00
parent 93b6b52b8f
commit 21b3cd6caa
2 changed files with 25 additions and 26 deletions
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13
src/DotRecast.Core/Numerics/RcVec3f.cs
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@ -228,13 +228,14 @@ namespace DotRecast.Core.Numerics
} }
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public static RcVec3f Lerp(RcVec3f v1, RcVec3f v2, float t) public static RcVec3f Lerp(RcVec3f value1, RcVec3f value2, float amount)
{ {
return new RcVec3f( return (value1 * (1f - amount)) + (value2 * amount);
v1.X + (v2.X - v1.X) * t, // return new RcVec3f(
v1.Y + (v2.Y - v1.Y) * t, // value1.X + (value2.X - value1.X) * amount,
v1.Z + (v2.Z - v1.Z) * t // value1.Y + (value2.Y - value1.Y) * amount,
); // value1.Z + (value2.Z - value1.Z) * amount
// );
} }
/// Returns the distance between two points. /// Returns the distance between two points.

38
test/DotRecast.Core.Test/Vector3Tests.cs
View File

@ -99,13 +99,18 @@ public class Vector3Tests
{ {
var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle()); var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
var array1 = new float[3]; var array1 = new float[3];
var array2 = new float[3];
v1.CopyTo(array1); v1.CopyTo(array1);
v1.CopyTo(array2, 0);
var v11 = new RcVec3f(v1.X, v1.Y, v1.Z); var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
var array11 = new float[3]; var array11 = new float[3];
var array22 = new float[3];
v11.CopyTo(array11); v11.CopyTo(array11);
v11.CopyTo(array22, 0);
Assert.That(array1, Is.EqualTo(array11)); Assert.That(array1, Is.EqualTo(array11));
Assert.That(array2, Is.EqualTo(array22));
} }
[Test] [Test]
@ -167,26 +172,19 @@ public class Vector3Tests
[Test] [Test]
[Repeat(100000)] [Repeat(100000)]
public void TestVectorIsFinite() public void TestVectorLerp()
{ {
// IsFinite var amt = Random.Shared.NextSingle();
var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
var v2 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
var v3 = Vector3.Lerp(v1, v2, amt);
var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
var v22 = new RcVec3f(v2.X, v2.Y, v2.Z);
var v33 = RcVec3f.Lerp(v11, v22, amt);
Assert.That(v3.X, Is.EqualTo(v33.X));
Assert.That(v3.Y, Is.EqualTo(v33.Y));
Assert.That(v3.Z, Is.EqualTo(v33.Z));
} }
// [Test]
// [Repeat(100000)]
// public void TestVectorLerp()
// {
// var amt = Random.Shared.NextSingle();
// var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
// var v2 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
// var v3 = Vector3.Lerp(v1, v2, amt);
//
// var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
// var v22 = new RcVec3f(v2.X, v2.Y, v2.Z);
// var v33 = RcVec3f.Lerp(v11, v22, amt);
//
// Assert.That(v3.X, Is.EqualTo(v33.X));
// Assert.That(v3.Y, Is.EqualTo(v33.Y));
// Assert.That(v3.Z, Is.EqualTo(v33.Z));
// }
} }