public static PolygonDirection TriangleArea2(Vector2 p1, Vector2 p2, Vector2 p3, ref float area)
{
GeoPointsArray2 array = new GeoPointsArray2();
array.mPointArray.Add(p1);
array.mPointArray.Add(p2);
array.mPointArray.Add(p3);
PolygonDirection dir = GeoPolygonUtils.CalculatePolygonArea(array, ref area);
area = area < 0 ? -area : area;
return(dir);
}
public void Initialize()
{
float area = 0.0f;
mDirection = GeoPolygonUtils.CalculatePolygonArea(mPolygon, ref area);
if (mDirection == PolygonDirection.CW)
{
Reverse();
mDirection = PolygonDirection.CCW;
}
else
{
area = -area;
InitializeArray();
}
}
