public void From3Points_Should()
{
var plane = Plane.From3Points(Vector3.Zero.AsPointF(), Vector3.UnitZ.AsPointF(), Vector3.UnitX.AsPointF());
Assert.Zero(plane.D);
Assert.Zero(Vector3.Cross(Vector3.UnitY, plane.Normal).Length());
}
public void CalculateIntersectionPoint_Should()
{
var plane = new Plane(Vector3.UnitY, new PointF(0, 1, 0));
var point = plane.CalculateIntersectionPoint(new Line(PointF.Zero, 0.5f * Vector3.UnitY));
Assert.AreEqual(Vector3.UnitY, point.Value.AsVector());
}
public void Init_Should()
{
var plane = new MinecraftSharp.Infrastructure.SimpleMath.Plane(Vector3.UnitX, PointF.Zero);
Assert.AreEqual(Vector3.UnitX, plane.Normal);
Assert.Zero(plane.D);
var random = new Random();
for (int i = 0; i < 1e6; i++)
{
var normal = new Vector3((float)random.NextDouble(), (float)random.NextDouble(),
(float)random.NextDouble());
normal = Vector3.Normalize(normal);
plane = new Plane(Vector3.Normalize(normal), normal.AsPointF());
Assert.AreEqual(normal.Length(), Math.Abs(plane.D), 10e-5);
}
}
