protected static Vector3d GetNormalAndSecant(Vector3d ab, Vector3d bc, out double secant)
{
secant = 1 / Math.Cos(Vector3d.AngleR(ab, bc) * 0.5);
Vector3d tangent = ab + bc;
return(new Vector3d(-tangent.y, tangent.x, 0).Normalized);
}
public void AngleR_Normalized()
{
var vector1 = new Vector3d(0, 0, 1);
var vector2 = new Vector3d(0, d, d);
double angle = vector1.AngleR(vector2, true);
Assert.AreEqual(Math.PI / 4, angle, delta);
}
public void AngleR()
{
var vector1 = new Vector3d(0, 0, 6);
var vector2 = new Vector3d(0, 2, 2);
double angle = vector1.AngleR(vector2, false);
Assert.AreEqual(Math.PI / 4, angle, delta);
}
