public void AsCubic()
{
var p0 = new Vector2(-4, -4);
var p1 = new Vector2(2, -4);
var p2 = new Vector2(4, 4);
var myCurve = new QuadraticBezierCurve2D(p0, p1, p2);
var myCubicCurve = myCurve.AsCubic();
myCurve.Point(0f).Should().BeEquivalentTo(myCubicCurve.Point(0f));
myCurve.Point(0.25f).Should().BeEquivalentTo(myCubicCurve.Point(0.25f));
myCurve.Point(0.75f).Should().BeEquivalentTo(myCubicCurve.Point(0.75f));
myCurve.Point(1f).Should().BeEquivalentTo(myCubicCurve.Point(1f));
}
public void PointNormalized()
{
var p0 = new Vector2(-4, -4);
var p1 = new Vector2(2, -4);
var p2 = new Vector2(4, 4);
var myCurve = new QuadraticBezierCurve2D(p0, p1, p2);
myCurve.Point(15, 15, 17).Should().BeEquivalentTo(p0);
myCurve.Point(2, 1, 5).Should().BeEquivalentTo(new Vector2(-1.25f, -3.5f));
myCurve.Point(8, 2, 10).Should().BeEquivalentTo(new Vector2(2.75f, 0.5f));
myCurve.Point(1, -8, 1).Should().BeEquivalentTo(p2);
myCurve.Invoking(x => x.Point(15, 2, 5)).Should().Throw <ArgumentException>();
}
public void Point()
{
var p0 = new Vector2(-4, -4);
var p1 = new Vector2(2, -4);
var p2 = new Vector2(4, 4);
var myCurve = new QuadraticBezierCurve2D(p0, p1, p2);
myCurve.Point(0).Should().BeEquivalentTo(p0);
myCurve.Point(0.25f).Should().BeEquivalentTo(new Vector2(-1.25f, -3.5f));
myCurve.Point(0.75f).Should().BeEquivalentTo(new Vector2(2.75f, 0.5f));
myCurve.Point(1).Should().BeEquivalentTo(p2);
myCurve.Invoking(x => x.Point(1.5f)).Should().Throw <ArgumentException>();
}
public void PointNormalized()
{
var p0 = new Vector2(-4, -4);
var p1 = new Vector2(2, -4);
var p2 = new Vector2(4, 4);
QuadraticBezierCurve2D.Point(p0, p1, p2, 15, 15, 17).Should().BeEquivalentTo(p0);
QuadraticBezierCurve2D.Point(p0, p1, p2, 2, 1, 5).Should().BeEquivalentTo(new Vector2(-1.25f, -3.5f));
QuadraticBezierCurve2D.Point(p0, p1, p2, 8, 2, 10).Should().BeEquivalentTo(new Vector2(2.75f, 0.5f));
QuadraticBezierCurve2D.Point(p0, p1, p2, 1, -8, 1).Should().BeEquivalentTo(p2);
Action invalidTime = () => QuadraticBezierCurve2D.Point(p0, p1, p2, 15, 2, 5);
invalidTime.Should().Throw <ArgumentException>();
}