public void PlaneDotCoordinateTest()
{
PlaneD target = new PlaneD(2, 3, 4, 5);
Vector3D value = new Vector3D(5, 4, 3);
double expected = 10 + 12 + 12 + 5;
double actual = PlaneD.DotCoordinate(target, value);
Assert.True(MathHelper.Equal(expected, actual), "PlaneD.DotCoordinate returns unexpected value.");
}
public static double SignedDistanceTo(this PlaneD plane, Vector3D point)
{
return(plane.DotCoordinate(point));
}