public void can_get_scaled_vector()
{
var source = new Vector2F(1, -2);
var expected = new Vector2F(3, -6);
var actual = source.GetScaled(3);
Assert.Equal(expected, actual);
}
public void source_vector_is_unchanged()
{
var actual = new Vector2F(1, 2);
var expected = new Vector2F(actual);
var result = actual.GetScaled(2);
Assert.Equal(expected, actual);
}
public void projection_example_2()
{
var u = new Vector2F(2, 5);
var v = new Vector2F(1, 2);
var expected = u.GetScaled(12.0f / 29.0f);
var actual = u.GetProjected(v);
Assert.Equal(expected, actual);
}
public void op_multiply_scalar_mimics_scale_first()
{
var vector = new Vector2F(1, 2);
var scalar = 2.4f;
var expected = vector.GetScaled(scalar);
var actual = scalar * vector;
Assert.Equal(expected, actual);
}
