int IComparable.CompareTo(object obj)
{
ThreeDPolygon ptest = (ThreeDPolygon)obj; // unbox
float sum1 = GetZSum(this);
float sum2 = GetZSum(ptest);
if (sum1 > sum2)
{
return(1);
}
if (sum1 == sum2)
{
sum1 = GetXSum(this);
sum2 = GetXSum(ptest);
if (sum1 > sum2)
{
return(1);
}
}
if (sum1 == sum2)
{
sum1 = GetYSum(this);
sum2 = GetYSum(ptest);
if (sum1 > sum2)
{
return(1);
}
}
return(-1);
}
object ICloneable.Clone()
{
ThreeDPolygon copyObject = new ThreeDPolygon();
for (int i = 0; i < Vertices.Count; i++)
{
copyObject.Vertices.Add(((ICloneable)Vertices[i]).Clone());
}
return(copyObject);
}
float GetYSum(ThreeDPolygon p)
{
float sum = 0.0f;
for (int i = 0; i < Vertices.Count; i++)
{
sum += ((ThreeDPoint)p.Vertices[i]).Y;
}
return(sum);
}
public void AddPolygon(ThreeDPolygon aPolygon)
{
Polygons.Add(aPolygon);
}