public void Point()
{
var myCurve = new CubicBezierCurve3D(
new Vector3(-4, -4, -3),
new Vector3(-2, 4, 0),
new Vector3(2, -4, 3),
new Vector3(4, 4, 0)
);
myCurve.Point(0f).Should().BeEquivalentTo(myCurve.P0);
myCurve.Point(0.5f).Should().BeEquivalentTo(new Vector3(0, 0, 0.75f));
myCurve.Point(0.25f).Should().BeEquivalentTo(new Vector3(-2.1875f, -0.5f, -0.84375f));
myCurve.Point(0.75f).Should().BeEquivalentTo(new Vector3(2.1875f, 0.5f, 1.21875f));
myCurve.Point(1f).Should().BeEquivalentTo(myCurve.P3);
myCurve.Invoking(x => x.Point(1.5f)).Should().Throw <ArgumentException>();
}
public void PointNormalized()
{
var myCurve = new CubicBezierCurve3D(
new Vector3(-4, -4, -3),
new Vector3(-2, 4, 0),
new Vector3(2, -4, 3),
new Vector3(4, 4, 0)
);
myCurve.Point(15, 15, 17).Should().BeEquivalentTo(myCurve.P0);
myCurve.Point(3, 2, 4).Should().BeEquivalentTo(new Vector3(0, 0, 0.75f));
myCurve.Point(2, 1, 5).Should().BeEquivalentTo(new Vector3(-2.1875f, -0.5f, -0.84375f));
myCurve.Point(11, 2, 14).Should().BeEquivalentTo(new Vector3(2.1875f, 0.5f, 1.21875f));
myCurve.Point(1, -8, 1).Should().BeEquivalentTo(myCurve.P3);
myCurve.Invoking(x => x.Point(15, 2, 5)).Should().Throw <ArgumentException>();
}
public void PointNormalized()
{
var p0 = new Vector3(-4, -4, -3);
var p1 = new Vector3(-2, 4, 0);
var p2 = new Vector3(2, -4, 3);
var p3 = new Vector3(4, 4, 0);
CubicBezierCurve3D.Point(p0, p1, p2, p3, 15, 15, 17).Should().BeEquivalentTo(p0);
CubicBezierCurve3D.Point(p0, p1, p2, p3, 3, 2, 4).Should().BeEquivalentTo(new Vector3(0, 0, 0.75f));
CubicBezierCurve3D.Point(p0, p1, p2, p3, 2, 1, 5).Should().BeEquivalentTo(new Vector3(-2.1875f, -0.5f, -0.84375f));
CubicBezierCurve3D.Point(p0, p1, p2, p3, 11, 2, 14).Should().BeEquivalentTo(new Vector3(2.1875f, 0.5f, 1.21875f));
CubicBezierCurve3D.Point(p0, p1, p2, p3, 1, -8, 1).Should().BeEquivalentTo(p3);
Action invalidTime = () => CubicBezierCurve3D.Point(p0, p1, p2, p3, 15, 2, 5);
invalidTime.Should().Throw <ArgumentException>();
}