bool FindCachedCorner(Site a, Site b, Site c, out double prev, out double next) {
Corner corner=new Corner(a.Point,b.Point,c.Point);
Tuple<double, double> prevNext;
if (cornerTable.TryGetValue(corner, out prevNext)) {
if (a.Point == corner.a) {
prev = prevNext.Item1;
next = prevNext.Item2;
}
else {
prev = prevNext.Item2;
next = prevNext.Item1;
}
foundCachedCorners++;
return true;
}
prev = next = 0;
return false;
}
protected bool Equals(Corner other) {
return b == other.b && ((a == other.a && c == other.c) || (a == other.c && c == other.a));
}