public void ToWorldVector()
{
var c = new coordinates(2d, math.PI_DBL / 2d);
var expected = new double2(0d, 2d);
var actual = c.ToWorldVector();
Assert.AreEqual(expected.x, actual.x, tolerance);
Assert.AreEqual(expected.y, actual.y, tolerance);
}
public void ToWorldVector_PolarVector()
{
var c = new coordinates(1d, math.PI_DBL / 2d);
var v_polar = new double2(2d, 3d);
var expected = new double2(-2d, 4d);
var actual = c.ToWorldVector(v_polar);
Assert.AreEqual(expected.x, actual.x, tolerance);
Assert.AreEqual(expected.y, actual.y, tolerance);
}