public void TestApplyTransform_NonNeutralTransform()
{
Vector3 normal = Auxilaries.RandomNormal();
Point point = new Point(new Vector3(2.0f, 3.0f, 4.0f), normal);
Matrix4x4 transformation = new Matrix4x4();
transformation.SetTRS(
pos: new Vector3(0.5f, 2, 4),
q: Quaternion.identity,
s: new Vector3(2, 0.5f, 2)
);
// The object is frist scaled, then rotated, then translated
Point expected = new Point(new Vector3(4.5f, 3.5f, 12.0f), normal);
Point actual = point.ApplyTransform(transformation);
Assert.That(actual.Position, Is.EqualTo(expected.Position));
Assert.That(actual.Normal, Is.EqualTo(expected.Normal));
Assert.That(actual.Color, Is.EqualTo(point.Color));
Assert.That(actual, Is.Not.SameAs(point));
}
public void TestApplyTransform_NeutralTransform()
{
Vector3 normal = Auxilaries.RandomNormal();
Vector3 position = new Vector3(2.0f, 3.0f, 4.0f);
Point point = new Point(position, normal);
Matrix4x4 transformation = new Matrix4x4();
transformation.SetTRS(
pos: new Vector3(0, 0, 0),
q: Quaternion.identity,
s: new Vector3(1, 1, 1)
);
Point expected = new Point(position, normal);
Point actual = point.ApplyTransform(transformation);
Assert.That(actual.Position, Is.EqualTo(expected.Position));
Assert.That(actual.Normal, Is.EqualTo(expected.Normal));
Assert.That(actual.Color, Is.EqualTo(point.Color));
Assert.That(actual, Is.Not.SameAs(point));
}