private ICurve GetCurve(RoadGraphNode node1, RoadGraphNode node2)
{
ICurve curve;
if (node1.Neighbors.Count == 1 && node2.Neighbors.Count == 1)
{
curve = new CubicBezierCurve(
node1.Position,
GetControlPoint(node1),
GetControlPoint(node2),
node2.Position);
}
else if (node1.Neighbors.Count == 1 && node2.Neighbors.Count > 1)
{
curve = new QuadraticBezierCurve(
node1.Position,
GetControlPoint(node1),
node2.Position);
}
else if (node2.Neighbors.Count == 1 && node1.Neighbors.Count > 1)
{
curve = new QuadraticBezierCurve(
node1.Position,
GetControlPoint(node2),
node2.Position);
}
else
{
curve = new LinearBezierCurve(node1.Position, node2.Position);
}
return(curve);
}
public void Test()
{
LinearBezierCurve curve = new LinearBezierCurve();
Point p1 = new Point(0, 0);
Point p2 = new Point(2, 2);
var result = curve.GenerateLinearBezierCurve(p1, p2);
var midPoint = result[result.Length / 2];
Assert.AreEqual(new Point(1, 1), midPoint);
}