public void BasicTest()
{
interpolation.GetPoint(-5, out var x, out var y, out var z);
Check.That(x).IsEqualTo(1);
Check.That(y).IsEqualTo(2);
Check.That(z).IsEqualTo(3);
interpolation.GetPoint(-0, out x, out y, out z);
Check.That(x).IsEqualTo(1);
Check.That(y).IsEqualTo(2);
Check.That(z).IsEqualTo(3);
interpolation.GetPoint(0.5, out x, out y, out z);
Check.That(x).IsEqualTo(1);
Check.That(y).IsEqualTo(2);
Check.That(z).IsEqualTo(3);
interpolation.GetPoint(1, out x, out y, out z);
Check.That(x).IsEqualTo(1);
Check.That(y).IsEqualTo(2);
Check.That(z).IsEqualTo(3);
interpolation.GetPoint(1.5, out x, out y, out z);
Check.That(x).IsEqualTo(1.5);
Check.That(y).IsEqualTo(3);
Check.That(z).IsEqualTo(4.5);
interpolation.GetPoint(15, out x, out y, out z);
Check.That(x).IsEqualTo(10);
Check.That(y).IsEqualTo(20);
Check.That(z).IsEqualTo(30);
}