public void Tuple3_Properties()
{
var tuple = new Tuple3();
tuple.X = 1.1;
tuple.Y = 1.2;
tuple.Z = 1.3;
Assert.AreEqual(1.1, tuple.X);
Assert.AreEqual(1.2, tuple.Y);
Assert.AreEqual(1.3, tuple.Z);
}
public void Tuple3_Operators()
{
Assert.AreEqual(true, new Tuple3(1.0, 2.0, 3.0).Equals(new Tuple3(1.0, 2.0, 3.0)));
Assert.AreEqual(false, new Tuple3(1.0, 2.0, 3.0).Equals(null));
Assert.AreEqual(false, new Tuple2(1.0, 2.0).Equals("string"));
Assert.AreEqual(false, new Tuple3(1.0, 2.0, 3.0).Equals(new Tuple3(0.0, 2.0, 3.0)));
Assert.AreEqual(false, new Tuple3(1.0, 2.0, 3.0).Equals(new Tuple3(1.0, 0.0, 3.0)));
Assert.AreEqual(false, new Tuple3(1.0, 2.0, 3.0).Equals(new Tuple3(1.0, 2.0, 0.0)));
var tuple1 = new Tuple3(0.1, 0.2, 0.3) + new Tuple3(1.0, 2.0, 3.0);
Assert.AreEqual(1.1, tuple1.X);
Assert.AreEqual(2.2, tuple1.Y);
Assert.AreEqual(3.3, tuple1.Z);
var tuple2 = new Tuple3(1.1, 2.2, 3.3) - new Tuple3(0.1, 0.2, 0.3);
Assert.AreEqual(1.0, tuple2.X);
Assert.AreEqual(2.0, tuple2.Y);
Assert.AreEqual(3.0, tuple2.Z);
}
public void Tuple3_Setters()
{
var tuple1 = new Tuple3();
tuple1.Set(1.1, 1.2, 1.3);
Assert.AreEqual(1.1, tuple1.X);
Assert.AreEqual(1.2, tuple1.Y);
Assert.AreEqual(1.3, tuple1.Z);
var tuple2 = new Tuple3();
tuple2.Set(new Tuple3(1.1, 1.2, 1.3));
Assert.AreEqual(1.1, tuple1.X);
Assert.AreEqual(1.2, tuple1.Y);
Assert.AreEqual(1.3, tuple1.Z);
var tuple3 = new Tuple3();
tuple3.Set(new[] { 1.1, 1.2, 1.3 });
Assert.AreEqual(1.1, tuple1.X);
Assert.AreEqual(1.2, tuple1.Y);
Assert.AreEqual(1.3, tuple1.Z);
}
public void Tuple3_Constructors()
{
var tuple1 = new Tuple3();
Assert.AreEqual(0.0, tuple1.X);
Assert.AreEqual(0.0, tuple1.Y);
Assert.AreEqual(0.0, tuple1.Z);
var tuple2 = new Tuple3(1.1, 1.2, 1.3);
Assert.AreEqual(1.1, tuple2.X);
Assert.AreEqual(1.2, tuple2.Y);
Assert.AreEqual(1.3, tuple2.Z);
var tuple3 = new Tuple3(new Tuple3(1.1, 1.2, 1.3));
Assert.AreEqual(1.1, tuple3.X);
Assert.AreEqual(1.2, tuple3.Y);
Assert.AreEqual(1.3, tuple3.Z);
var tuple4 = new Tuple3(new[] { 1.1, 1.2, 1.3 });
Assert.AreEqual(1.1, tuple4.X);
Assert.AreEqual(1.2, tuple4.Y);
Assert.AreEqual(1.3, tuple4.Z);
}
/// <summary>
///
/// </summary>
/// <param name="u"></param>
/// <param name="v"></param>
/// <returns></returns>
public static Tuple3 Cross(Tuple3 u, Tuple3 v)
{
return new Tuple3((u.Y * v.Z) - (u.Z * v.Y), (u.Z * v.X) - (u.X * v.Z), (u.X * v.Y) - (u.Y * v.X));
}
/// <summary>
///
/// </summary>
/// <param name="u"></param>
/// <param name="v"></param>
/// <returns></returns>
public static double Dot(Tuple3 u, Tuple3 v)
{
return (u.X * v.X) + (u.Y * v.Y) + (u.Z * v.Z);
}
/// <summary>
///
/// </summary>
/// <param name="tuple"></param>
public void Set(Tuple3 tuple)
{
x = tuple.x;
y = tuple.y;
z = tuple.z;
}
/// <summary>
///
/// </summary>
/// <param name="tuple"></param>
public Tuple3(Tuple3 tuple)
{
Set(tuple);
}