NanoBrain-unitypackage/test/Vector3FloatTest.cs
Pascal Serrarens 220e1e4ead Squashed 'Assets/NanoBrain/LinearAlgebra/' content from commit 15c08f2
git-subtree-dir: Assets/NanoBrain/LinearAlgebra
git-subtree-split: 15c08f215655988682ecc6207c2783fa047b65e3
2026-01-05 10:55:07 +01:00

581 lines
24 KiB
C#

#if !UNITY_5_6_OR_NEWER
using NUnit.Framework;
namespace LinearAlgebra.Test {
using Vector3 = Vector3Float;
public class Vector3FloatTest {
[Test]
public void FromSpherical() {
Vector3 v = new(0, 0, 1);
Spherical s = Spherical.FromVector3(v);
Vector3 r = Vector3.FromSpherical(s);
Assert.AreEqual(0, r.horizontal, "0 0 1");
Assert.AreEqual(0, r.vertical, 1.0e-06, "0 0 1");
Assert.AreEqual(1, r.depth, "0 0 1");
v = new(0, 1, 0);
s = Spherical.FromVector3(v);
r = Vector3.FromSpherical(s);
Assert.AreEqual(0, r.horizontal, "0 0 1");
Assert.AreEqual(1, r.vertical, "0 0 1");
Assert.AreEqual(0, r.depth, 1.0e-06, "0 0 1");
v = new(1, 0, 0);
s = Spherical.FromVector3(v);
r = Vector3.FromSpherical(s);
Assert.AreEqual(1, r.horizontal, "0 0 1");
Assert.AreEqual(0, r.vertical, 1.0e-06, "0 0 1");
Assert.AreEqual(0, r.depth, 1.0e-06, "0 0 1");
}
[Test]
public void Magnitude() {
Vector3 v = new(1, 2, 3);
float m = 0;
m = v.magnitude;
Assert.AreEqual(3.7416575f, m, "magnitude 1 2 3");
m = Vector3.MagnitudeOf(v);
Assert.AreEqual(3.7416575f, m, "MagnitudeOf 1 2 3");
v = new(-1, -2, -3);
m = v.magnitude;
Assert.AreEqual(3.7416575f, m, "magnitude -1 -2 -3");
v = new(0, 0, 0);
m = v.magnitude;
Assert.AreEqual(0, m, "magnitude 0 0 0");
// Infinity tests are still missing
}
[Test]
public void SqrMagnitude() {
Vector3 v = new(1, 2, 3);
float m = 0;
m = v.sqrMagnitude;
Assert.AreEqual(14, m, "sqrMagnitude 1 2 3");
m = Vector3.SqrMagnitudeOf(v);
Assert.AreEqual(14, m, "SqrMagnitudeOf 1 2 3");
v = new(-1, -2, -3);
m = v.sqrMagnitude;
Assert.AreEqual(14, m, "sqrMagnitude -1 -2 -3");
v = new(0, 0, 0);
m = v.sqrMagnitude;
Assert.AreEqual(0, m, "sqrMagnitude 0 0 0");
// Infinity tests are still missing
}
[Test]
public void Normalize() {
Vector3 v = new(0, 2, 0);
Vector3 r;
r = v.normalized;
Assert.AreEqual(new Vector3(0, 1, 0), r, "normalized 0 2 0");
r = Vector3.Normalize(v);
Assert.AreEqual(new Vector3(0, 1, 0), r, "Normalize 0 2 0");
v = new(0, -2, 0);
r = v.normalized;
Assert.AreEqual(new Vector3(0, -1, 0), r, "normalized 0 -2 0");
v = new(0, 0, 0);
r = v.normalized;
Assert.AreEqual(new Vector3(0, 0, 0), r, "normalized 0 0 0");
v = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = v.normalized;
Assert.IsTrue(float.IsNaN(r.horizontal), "normalized infinity infinity infinity");
Assert.IsTrue(float.IsNaN(r.vertical), "normalized infinity infinity infinity");
Assert.IsTrue(float.IsNaN(r.depth), "normalized infinity infinity infinity");
v = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = v.normalized;
Assert.IsTrue(float.IsNaN(r.horizontal), "normalized -infinity -infinity -infinity");
Assert.IsTrue(float.IsNaN(r.vertical), "normalized -infinity -infinity -infinity");
Assert.IsTrue(float.IsNaN(r.depth), "normalized -infinity -infinity -infinity");
}
[Test]
public void Negate() {
Vector3 v = new(4, 5, 6);
Vector3 r;
r = -v;
Assert.AreEqual(-4, r.horizontal, "- 4 5 6 H");
Assert.AreEqual(-5, r.vertical, "- 4 5 6 V");
Assert.AreEqual(-6, r.depth, "- 4 5 6 D");
v = new(-4, -5, -6);
r = -v;
Assert.AreEqual(4, r.horizontal, "- -4 -5 -6 H");
Assert.AreEqual(5, r.vertical, "- -4 -5 -6 V");
Assert.AreEqual(6, r.depth, "- -4 -5 -6 D");
v = new(0, 0, 0);
r = -v;
Assert.AreEqual(new Vector3(0, 0, 0), r, "- 0 0 0");
Assert.AreEqual(0, r.horizontal, "- 0 0 0 H");
Assert.AreEqual(0, r.vertical, "- 0 0 0 V");
Assert.AreEqual(0, r.depth, "- 0 0 0 D");
v = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = -v;
Assert.AreEqual(new Vector3(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity), r, "- inifinty infinity infinity");
v = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = -v;
Assert.AreEqual(new Vector3(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity), r, "- -inifinty -infinity -infinity");
}
[Test]
public void Subtract() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r = Vector3.zero;
r = v1 - v2;
Assert.IsTrue(r == new Vector3(3, 3, 3), "4 5 6 - 1 2 3");
v2 = new(-1, -2, -3);
r = v1 - v2;
Assert.IsTrue(r == new Vector3(5, 7, 9), "4 5 6 - -1 -2 -3");
v2 = new(4, 5, 6);
r = v1 - v2;
Assert.IsTrue(r == new Vector3(0, 0, 0), "4 5 6 - 4 5 6");
r = v1;
r -= v2;
Assert.AreEqual(r, new Vector3(0, 0, 0), "4 5 6 - 4 5 6");
v2 = new(0, 0, 0);
r = v1 - v2;
Assert.AreEqual(r, new Vector3(4, 5, 6), "4 5 6 - 0 0 0");
r -= v2;
Assert.AreEqual(r, new Vector3(4, 5, 6), "4 5 6 - 0 0 0");
// Infinity tests are still missing
}
[Test]
public void Addition() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r = Vector3.zero;
r = v1 + v2;
Assert.IsTrue(r == new Vector3(5, 7, 9), "4 5 6 + 1 2 3");
v2 = new(-1, -2, -3);
r = v1 + v2;
Assert.IsTrue(r == new Vector3(3, 3, 3), "4 5 6 + -1 -2 -3");
r = v1;
r += v2;
Assert.AreEqual(r, new Vector3(3, 3, 3), "4 5 6 + -1 -2 -3");
v2 = new(0, 0, 0);
r = v1 + v2;
Assert.AreEqual(r, new Vector3(4, 5, 6), "4 5 6 + 0 0 0");
r += v2;
Assert.AreEqual(r, new Vector3(4, 5, 6), "4 5 6 + 0 0 0");
// Infinity tests are still missing
}
[Test]
public void Scale() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r;
r = Vector3.Scale(v1, v2);
Assert.AreEqual(4, r.horizontal, "Scale 4 5 6 , 1 2 3 H");
Assert.AreEqual(10, r.vertical, "Scale 4 5 6 , 1 2 3 V");
Assert.AreEqual(18, r.depth, "Scale 4 5 6 , 1 2 3 D");
v2 = new(-1, -2, -3);
r = Vector3.Scale(v1, v2);
Assert.AreEqual(-4, r.horizontal, "Scale 4 5 6 , -1 -2 -3 H");
Assert.AreEqual(-10, r.vertical, "Scale 4 5 6 , -1 -2 -3 V");
Assert.AreEqual(-18, r.depth, "Scale 4 5 6 , -1 -2 -3 D");
v2 = new(0, 0, 0);
r = Vector3.Scale(v1, v2);
Assert.AreEqual(0, r.horizontal, "Scale 4 5 6 , 0 0 0 H");
Assert.AreEqual(0, r.vertical, "Scale 4 5 6 , 0 0 0 V");
Assert.AreEqual(0, r.depth, "Scale 4 5 6 , 0 0 0 D");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = Vector3.Scale(v1, v2);
Assert.AreEqual(float.PositiveInfinity, r.horizontal, "Scale 4 5 6 , inf inf inf H");
Assert.AreEqual(float.PositiveInfinity, r.vertical, "Scale 4 5 6 , inf inf inf V");
Assert.AreEqual(float.PositiveInfinity, r.depth, "Scale 4 5 6 , inf inf inf D");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = Vector3.Scale(v1, v2);
Assert.AreEqual(float.NegativeInfinity, r.horizontal, "Scale 4 5 6 , -inf -inf -inf H");
Assert.AreEqual(float.NegativeInfinity, r.vertical, "Scale 4 5 6 , -inf -inf -inf V");
Assert.AreEqual(float.NegativeInfinity, r.depth, "Scale 4 5 6 , -inf -inf -inf D");
}
[Test]
public void Multiply() {
Vector3 v1 = new(4, 5, 6);
float f = 3;
Vector3 r;
r = v1 * f;
Assert.AreEqual(12, r.horizontal, "4 5 6 * 3 H");
Assert.AreEqual(15, r.vertical, "4 5 6 * 3 V");
Assert.AreEqual(18, r.depth, "4 5 6 * 3 D");
f = -3;
r = v1 * f;
Assert.AreEqual(-12, r.horizontal, "4 5 6 * -3 H");
Assert.AreEqual(-15, r.vertical, "4 5 6 * -3 V");
Assert.AreEqual(-18, r.depth, "4 5 6 * -3 D");
f = 0;
r = v1 * f;
Assert.AreEqual(0, r.horizontal, "4 5 6 * 0 H");
Assert.AreEqual(0, r.vertical, "4 5 6 * 0 V");
Assert.AreEqual(0, r.depth, "4 5 6 * 0 D");
f = float.PositiveInfinity;
r = v1 * f;
Assert.AreEqual(float.PositiveInfinity, r.horizontal, "4 5 6 * inf H");
Assert.AreEqual(float.PositiveInfinity, r.vertical, "4 5 6 * inf V");
Assert.AreEqual(float.PositiveInfinity, r.depth, "4 5 6 * inf D");
f = float.NegativeInfinity;
r = v1 * f;
Assert.AreEqual(float.NegativeInfinity, r.horizontal, "4 5 6 * -inf H");
Assert.AreEqual(float.NegativeInfinity, r.vertical, "4 5 6 * -inf V");
Assert.AreEqual(float.NegativeInfinity, r.depth, "4 5 6 * -inf D");
}
[Test]
public void Divide() {
Vector3 v1 = new(4, 5, 6);
float f = 2;
Vector3 r;
r = v1 / f;
Assert.AreEqual(2, r.horizontal, "4 5 6 / 2 H");
Assert.AreEqual(2.5, r.vertical, "4 5 6 / 2 V");
Assert.AreEqual(3, r.depth, "4 5 6 / 2 D");
f = -2;
r = v1 / f;
Assert.AreEqual(-2, r.horizontal, "4 5 6 / -2 H");
Assert.AreEqual(-2.5, r.vertical, "4 5 6 / -2 V");
Assert.AreEqual(-3, r.depth, "4 5 6 / -2 D");
f = 0;
r = v1 / f;
Assert.AreEqual(float.PositiveInfinity, r.horizontal, "4 5 6 / 0 H");
Assert.AreEqual(float.PositiveInfinity, r.vertical, "4 5 6 / 0 V");
Assert.AreEqual(float.PositiveInfinity, r.depth, "4 5 6 / 0 D");
f = float.PositiveInfinity;
r = v1 / f;
Assert.AreEqual(0, r.horizontal, "4 5 6 / inf H");
Assert.AreEqual(0, r.vertical, "4 5 6 / inf V");
Assert.AreEqual(0, r.depth, "4 5 6 / inf D");
f = float.NegativeInfinity;
r = v1 / f;
Assert.AreEqual(0, r.horizontal, "4 5 6 / -inf H");
Assert.AreEqual(0, r.vertical, "4 5 6 / -inf V");
Assert.AreEqual(0, r.depth, "4 5 6 / -inf D");
}
[Test]
public void Dot() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
float f;
f = Vector3.Dot(v1, v2);
Assert.AreEqual(32, f, "Dot(4 5 6, 1 2 3)");
v2 = new(-1, -2, -3);
f = Vector3.Dot(v1, v2);
Assert.AreEqual(-32, f, "Dot(4 5 6, -1 -2 -3)");
v2 = new(0, 0, 0);
f = Vector3.Dot(v1, v2);
Assert.AreEqual(0, f, "Dot(4 5 6, 0 0 0)");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
f = Vector3.Dot(v1, v2);
Assert.AreEqual(float.PositiveInfinity, f, "Dot(4 5 6, inf inf inf)");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
f = Vector3.Dot(v1, v2);
Assert.AreEqual(float.NegativeInfinity, f, "Dot(4 5 6, -inf -inf -inf)");
}
[Test]
public void Equality() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
bool r;
r = v1 == v2;
Assert.IsFalse(r, "4 5 6 == 1 2 3");
v2 = new(4, 5, 6);
r = v1 == v2;
Assert.IsTrue(r, "4 5 6 == 4 5 6");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = v1 == v2;
Assert.IsFalse(r, "4 5 6 == inf inf inf");
v1 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = v1 == v2;
Assert.IsFalse(r, "-inf -inf -inf == inf inf inf");
}
[Test]
public void Distance() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
float f;
f = Vector3.Distance(v1, v2);
Assert.AreEqual(5.19615221F, f, "Distance(4 5 6, 1 2 3)");
v2 = new(-1, -2, -3);
f = Vector3.Distance(v1, v2);
Assert.AreEqual(12.4498997F, f, "Distance(4 5 6, -1 -2 -3)");
v2 = new(0, 0, 0);
f = Vector3.Distance(v1, v2);
Assert.AreEqual(v1.magnitude, f, "Distance(4 5 6, 0 0 0)");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
f = Vector3.Distance(v1, v2);
Assert.AreEqual(float.PositiveInfinity, f, "Distance(4 5 6, inf inf inf)");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
f = Vector3.Distance(v1, v2);
Assert.AreEqual(float.PositiveInfinity, f, "Distance(4 5 6, -inf -inf -inf)");
}
[Test]
public void Cross() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r;
r = Vector3.Cross(v1, v2);
Assert.AreEqual(3, r.horizontal, "Cross(4 5 6, 1 2 3) H");
Assert.AreEqual(-6, r.vertical, "Cross(4 5 6, 1 2 3) V");
Assert.AreEqual(3, r.depth, "Cross(4 5 6, 1 2 3) D");
v2 = new(-1, -2, -3);
r = Vector3.Cross(v1, v2);
Assert.AreEqual(-3, r.horizontal, "Cross(4 5 6, -1 -2 -3) H");
Assert.AreEqual(6, r.vertical, "Cross(4 5 6, -1 -2 -3) V");
Assert.AreEqual(-3, r.depth, "Cross(4 5 6, -1 -2 -3) D");
v2 = new(0, 0, 0);
r = Vector3.Cross(v1, v2);
Assert.AreEqual(0, r.horizontal, "Cross(4 5 6, 0 0 0) H");
Assert.AreEqual(0, r.vertical, "Cross(4 5 6, 0 0 0) V");
Assert.AreEqual(0, r.depth, "Cross(4 5 6, 0 0 0) D");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = Vector3.Cross(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "Cross(4 5 6, inf inf inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "Cross(4 5 6, inf inf inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "Cross(4 5 6, inf inf inf) D");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = Vector3.Cross(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "Cross(4 5 6, -inf -inf -inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "Cross(4 5 6, -inf -inf -inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "Cross(4 5 6, -inf -inf -inf) D");
}
[Test]
public void Project() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r;
r = Vector3.Project(v1, v2);
Assert.AreEqual(2.28571439F, r.horizontal, "Project(4 5 6, 1 2 3) H");
Assert.AreEqual(4.57142878F, r.vertical, "Project(4 5 6, 1 2 3) V");
Assert.AreEqual(6.85714293F, r.depth, "Project(4 5 6, 1 2 3) D");
v2 = new(-1, -2, -3);
r = Vector3.Project(v1, v2);
Assert.AreEqual(2.28571439F, r.horizontal, "Project(4 5 6, -1 -2 -3) H");
Assert.AreEqual(4.57142878F, r.vertical, "Project(4 5 6, -1 -2 -3) V");
Assert.AreEqual(6.85714293F, r.depth, "Project(4 5 6, -1 -2 -3) D");
v2 = new(0, 0, 0);
r = Vector3.Project(v1, v2);
Assert.AreEqual(0, r.horizontal, "Project(4 5 6, 0 0 0) H");
Assert.AreEqual(0, r.vertical, "Project(4 5 6, 0 0 0) V");
Assert.AreEqual(0, r.depth, "Project(4 5 6, 0 0 0) D");
r = Vector3.Project(v2, v1);
Assert.AreEqual(0, r.horizontal, "Project(0 0 0, 4 5 6) H");
Assert.AreEqual(0, r.vertical, "Project(0 0 0, 4 5 6) V");
Assert.AreEqual(0, r.depth, "Project(0 0 0, 4 5 6) D");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = Vector3.Project(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "Project(4 5 6, inf inf inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "Project(4 5 6, inf inf inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "Project(4 5 6, inf inf inf) D");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = Vector3.Project(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "Project(4 5 6, -inf -inf -inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "Project(4 5 6, -inf -inf -inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "Project(4 5 6, -inf -inf -inf) D");
}
[Test]
public void ProjectOnPlane() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r;
r = Vector3.ProjectOnPlane(v1, v2);
Assert.AreEqual(1.71428561F, r.horizontal, "ProjectOnPlane(4 5 6, 1 2 3) H");
Assert.AreEqual(0.428571224F, r.vertical, "ProjectOnPlane(4 5 6, 1 2 3) V");
Assert.AreEqual(-0.857142925F, r.depth, "ProjectOnPlane(4 5 6, 1 2 3) D");
v2 = new(-1, -2, -3);
r = Vector3.ProjectOnPlane(v1, v2);
Assert.AreEqual(1.71428561F, r.horizontal, "ProjectOnPlane(4 5 6, -1 -2 -3) H");
Assert.AreEqual(0.428571224F, r.vertical, "ProjectOnPlane(4 5 6, -1 -2 -3) V");
Assert.AreEqual(-0.857142925F, r.depth, "ProjectOnPlane(4 5 6, -1 -2 -3) D");
v2 = new(0, 0, 0);
r = Vector3.ProjectOnPlane(v1, v2);
Assert.AreEqual(4, r.horizontal, "ProjectOnPlane(4 5 6, 0 0 0) H");
Assert.AreEqual(5, r.vertical, "ProjectOnPlane(4 5 6, 0 0 0) V");
Assert.AreEqual(6, r.depth, "ProjectOnPlane(4 5 6, 0 0 0) D");
r = Vector3.ProjectOnPlane(v2, v1);
Assert.AreEqual(0, r.horizontal, "ProjectOnPlane(0 0 0, 4 5 6) H");
Assert.AreEqual(0, r.vertical, "ProjectOnPlane(0 0 0, 4 5 6) V");
Assert.AreEqual(0, r.depth, "ProjectOnPlane(0 0 0, 4 5 6) D");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
r = Vector3.ProjectOnPlane(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "ProjectOnPlane(4 5 6, inf inf inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "ProjectOnPlane(4 5 6, inf inf inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "ProjectOnPlane(4 5 6, inf inf inf) D");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
r = Vector3.ProjectOnPlane(v1, v2);
Assert.IsTrue(float.IsNaN(r.horizontal), "ProjectOnPlane(4 5 6, -inf -inf -inf) H");
Assert.IsTrue(float.IsNaN(r.vertical), "ProjectOnPlane(4 5 6, -inf -inf -inf) V");
Assert.IsTrue(float.IsNaN(r.depth), "ProjectOnPlane(4 5 6, -inf -inf -inf) D");
}
[Test]
public void UnsignedAngle() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
AngleFloat a;
a = Vector3.UnsignedAngle(v1, v2);
Assert.AreEqual(12.9331379F, a.inDegrees, "Angle(4 5 6, 1 2 3)");
v2 = new(-1, -2, -3);
a = Vector3.UnsignedAngle(v1, v2);
Assert.AreEqual(167.066849F, a.inDegrees, "Angle(4 5 6, -1 -2 -3)");
v2 = new(0, 0, 0);
a = Vector3.UnsignedAngle(v1, v2);
Assert.AreEqual(0, a.inDegrees, "Angle(4 5 6, 0 0 0)");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
a = Vector3.UnsignedAngle(v1, v2);
Assert.IsTrue(float.IsNaN(a.inDegrees), "Angle(4 5 6, inf inf inf)");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
a = Vector3.UnsignedAngle(v1, v2);
Assert.IsTrue(float.IsNaN(a.inDegrees), "Angle(4 5 6, inf inf inf)");
}
[Test]
public void SignedAngle() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 v3 = new(7, 8, -9);
AngleFloat a;
a = Vector3.SignedAngle(v1, v2, v3);
Assert.AreEqual(-12.9331379F, a.inDegrees, "SignedAngle(4 5 6, 1 2 3, 7 8 -9)");
v2 = new(-1, -2, -3);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.AreEqual(167.066849F, a.inDegrees, "SignedAngle(4 5 6, -1 -2 -3, 7 8 -9)");
v2 = new(0, 0, 0);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.AreEqual(0, a.inDegrees, "SignedAngle(4 5 6, 0 0 0, 7 8 -9)");
v2 = new(1, 2, 3);
v3 = new(-7, -8, 9);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.AreEqual(12.9331379F, a.inDegrees, "SignedAngle(4 5 6, 1 2 3, -7 -8 9)");
v3 = new(0, 0, 0);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.AreEqual(0, a.inDegrees, "SignedAngle(4 5 6, 1 2 3, 0 0 0)");
v2 = new(float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.IsTrue(float.IsNaN(a.inDegrees), "SignedAngle(4 5 6, inf inf inf, 0 0 0)");
v2 = new(float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity);
a = Vector3.SignedAngle(v1, v2, v3);
Assert.IsTrue(float.IsNaN(a.inDegrees), "SignedAngle(4 5 6, -inf -inf -inf, 0 0 0)");
}
[Test]
public void Lerp() {
Vector3 v1 = new(4, 5, 6);
Vector3 v2 = new(1, 2, 3);
Vector3 r;
r = Vector3.Lerp(v1, v2, 0);
Assert.AreEqual(0, Vector3.Distance(r, v1), 0);
r = Vector3.Lerp(v1, v2, 1);
Assert.AreEqual(0, Vector3.Distance(r, v2), 0);
r = Vector3.Lerp(v1, v2, 0.5f);
Assert.AreEqual(0, Vector3.Distance(r, new Vector3(2.5f, 3.5f, 4.5f)), 0);
r = Vector3.Lerp(v1, v2, -1);
Assert.AreEqual(0, Vector3.Distance(r, new Vector3(7, 8, 9)), 0);
r = Vector3.Lerp(v1, v2, 2);
Assert.AreEqual(0, Vector3.Distance(r, new Vector3(-2, -1, 0)), 0);
}
}
}
#endif