public void VelocityNormalized()
{
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.Velocity(2, 1, 5).Should().BeEquivalentTo(new Vector2(10f, 3.9999998f));
myCurve.Velocity(8, 2, 10).Should().BeEquivalentTo(new Vector2(6, 12));
myCurve.Invoking(x => x.Velocity(15, 2, 5)).Should().Throw <ArgumentException>();
}
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>();
}