public void Up_set_and_get()
{
var stand = new Stand();
var up = new Vector3(1, 2, 3);
stand.Up = up;
Assert.AreEqual(up, stand.Up);
}
public void Direction_set_and_get()
{
var stand = new Stand();
var direction = new Vector3(4, 5, 6);
stand.Direction = direction;
Assert.AreEqual(direction, stand.Direction);
}
public void Position_set_and_get()
{
var stand = new Stand();
var position = new Vector3(7, 8, 9);
stand.Position = position;
Assert.AreEqual(position, stand.Position);
}
public void Constructor_initializes_Up_Direction_and_Position()
{
var stand = new Stand();
Assert.IsNotNull(stand);
Assert.AreEqual(Vector3.YAxis, stand.Up);
Assert.AreEqual(-Vector3.ZAxis, stand.Direction);
Assert.AreEqual(Vector3.Zero, stand.Position);
}
public void ViewMatrix()
{
var stand = new Stand
{
Up = new Vector3(1, 2, 3),
Direction = new Vector3(4, 5, 6),
Position = new Vector3(7, 8, 9)
};
var expected = new Matrix(
0.4082483f, -0.7909116f, -0.4558423f, 0,
-0.8164966f, -0.09304842f, -0.5698029f, 0,
0.4082483f, 0.6048148f, -0.6837634f, 0,
0f, 0.8374357f, 13.90319f, 1);
Assert.AreEqual(expected, stand.ViewMatrix);
}
