public void GetPoint()
{
var a = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
Assert.IsTrue(Vector2F.AreNumericallyEqual(a.Point1, a.GetPoint(0), 0.001f));
Assert.IsTrue(Vector2F.AreNumericallyEqual(a.Point2, a.GetPoint(1), 0.001f));
}
public void GetPoint()
{
var a = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
Assert.IsTrue(Vector2F.AreNumericallyEqual(a.Point1, a.GetPoint(0), 0.001f));
Assert.IsTrue(Vector2F.AreNumericallyEqual(a.Point2, a.GetPoint(1), 0.001f));
}
public void Flatten()
{
var s = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
var points = new List<Vector2F>();
var tolerance = 1f;
s.Flatten(points, 10, tolerance);
Assert.IsTrue(Vector2F.AreNumericallyEqual(points[0], s.Point1));
Assert.IsTrue(Vector2F.AreNumericallyEqual(points.Last(), s.Point2));
var curveLength = s.GetLength(0, 1, 10, tolerance);
Assert.IsTrue(CurveHelper.GetLength(points) >= curveLength - tolerance * points.Count / 2);
Assert.IsTrue(CurveHelper.GetLength(points) <= curveLength);
}
public void Flatten()
{
var s = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
var points = new List <Vector2F>();
var tolerance = 1f;
s.Flatten(points, 10, tolerance);
Assert.IsTrue(Vector2F.AreNumericallyEqual(points[0], s.Point1));
Assert.IsTrue(Vector2F.AreNumericallyEqual(points.Last(), s.Point2));
var curveLength = s.GetLength(0, 1, 10, tolerance);
Assert.IsTrue(CurveHelper.GetLength(points) >= curveLength - tolerance * points.Count / 2);
Assert.IsTrue(CurveHelper.GetLength(points) <= curveLength);
}
public void GetLength()
{
var b = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
float length1 = b.GetLength(0, 1, 20, Numeric.EpsilonF);
float approxLength = 0;
const float step = 0.0001f;
for (float u = 0; u <= 1.0f - step; u += step)
approxLength += (b.GetPoint(u) - b.GetPoint(u + step)).Length;
Assert.IsTrue(Numeric.AreEqual(approxLength, length1, 0.001f));
Assert.IsTrue(Numeric.AreEqual(b.GetLength(0, 1, 100, Numeric.EpsilonF), b.GetLength(0, 0.5f, 100, Numeric.EpsilonF) + b.GetLength(0.5f, 1, 100, Numeric.EpsilonF)));
Assert.IsTrue(Numeric.AreEqual(b.GetLength(0, 1, 100, Numeric.EpsilonF), b.GetLength(1, 0, 100, Numeric.EpsilonF)));
}
public void GetLength()
{
var b = new ArcSegment2F
{
Point1 = new Vector2F(1, 2),
Point2 = new Vector2F(10, -3),
};
float length1 = b.GetLength(0, 1, 20, Numeric.EpsilonF);
float approxLength = 0;
const float step = 0.0001f;
for (float u = 0; u <= 1.0f - step; u += step)
{
approxLength += (b.GetPoint(u) - b.GetPoint(u + step)).Length;
}
Assert.IsTrue(Numeric.AreEqual(approxLength, length1, 0.001f));
Assert.IsTrue(Numeric.AreEqual(b.GetLength(0, 1, 100, Numeric.EpsilonF), b.GetLength(0, 0.5f, 100, Numeric.EpsilonF) + b.GetLength(0.5f, 1, 100, Numeric.EpsilonF)));
Assert.IsTrue(Numeric.AreEqual(b.GetLength(0, 1, 100, Numeric.EpsilonF), b.GetLength(1, 0, 100, Numeric.EpsilonF)));
}
