private List<Vertex> cullLine(Vertex p1, Vertex p2, Plane p)
{
//List<Vertex> list = getPreCullList(p1, p2, p);
//if (list != null)
// return list;
List<Vertex> list = new List<Vertex>();
float value1 = p.getDotValue(p1.pos);
float value2 = p.getDotValue(p2.pos);
float temp = value1 * value2;
if (temp >= 0)
{
if (value1>0 && value2 > 0)
{
list.Add(p1);
list.Add(p2);
}
else if (value1>0 && value2==0 || value2>0 && value1==0)
{
list.Add(p1);
list.Add(p2);
}
}
else
{
Vertex v = p.getInsertValue(p1, p2);
if (value1 > 0)
{
list.Add(p1);
list.Add(v);
}
else
{
list.Add(v);
list.Add(p2);
}
}
CullLine cullLine = new CullLine();
cullLine.inputList.Add(p1);
cullLine.inputList.Add(p2);
cullLine.plane = p;
cullLine.outPutList = list;
string cacheString = p1.pos.ToString() + p2.pos.ToString() + p.normal.ToString()+p.point.ToString();
cullLineList[cacheString] = cullLine;
return list;
}