public void WindingOrderClockwiseTriangle()
{
IList <Vector2D> positions = new List <Vector2D>();
positions.Add(new Vector2D(0, 0));
positions.Add(new Vector2D(1, 1));
positions.Add(new Vector2D(1, 0));
Assert.AreEqual(PolygonWindingOrder.Clockwise, SimplePolygonAlgorithms.ComputeWindingOrder(positions));
Assert.AreEqual(-0.5, SimplePolygonAlgorithms.ComputeArea(positions));
}
public void WindingOrderCounterclockwiseDiamond()
{
IList <Vector2D> positions = new List <Vector2D>();
positions.Add(new Vector2D(0, -0.5));
positions.Add(new Vector2D(0.5, 0));
positions.Add(new Vector2D(0, 0.5));
positions.Add(new Vector2D(-0.5, 0));
Assert.AreEqual(PolygonWindingOrder.Counterclockwise, SimplePolygonAlgorithms.ComputeWindingOrder(positions));
Assert.AreEqual(0.5, SimplePolygonAlgorithms.ComputeArea(positions));
}
