public static Vector2D FromRoad(Road road)
{
Vector2D vector = new Vector2D();
vector.X = road.To.Position.X - road.From.Position.X;
vector.Y = road.To.Position.Y - road.From.Position.Y;
return vector;
}
public void Scale_TestToSeeIfScalerWorksWithYCoordSetTo0()
{
Vector2D vec2 = new Vector2D(10, 0);
vec2.Scale(6.5);
Assert.AreEqual(65, vec2.Length);
}
public void Scale_TestToSeeIfScalerWorksWithXCoordSetTo0()
{
Vector2D vec3 = new Vector2D(0, 10);
vec3.Scale(6.5);
Assert.AreEqual(65, vec3.Length);
}
public void ToUnit_TestIfLengthIsOneOrCloseTo()
{
Vector2D vec = new Vector2D(13, 24);
vec.ToUnit();
Assert.AreEqual(1, vec.Length, 0.0000000001);
}
