private void SelectCircleOrCreateWay(int[] clickCoords)
{
MyCircle wasSelectedCircle = circles.FirstOrDefault(c => c.IsSelected);
if (wasSelectedCircle != null)
{
wasSelectedCircle.IsSelected = false;
if (!wasSelectedCircle.IsNearClick(clickCoords))
{
foreach (MyCircle c in circles)
{
if (c.IsNearClick(clickCoords))
{
ways.Add(new Way(wasSelectedCircle, c));
break;
}
}
}
}
else
{
foreach (MyCircle c in circles)
{
if (c.IsNearClick(clickCoords))
{
c.IsSelected = true;
break;
}
}
}
}
public void Calc()
{
MyCircle startCircle = cs.FirstOrDefault(c => c.typ == CircleType.Start);
endCircle = cs.FirstOrDefault(c => c.typ == CircleType.End);
if (startCircle == null || endCircle == null)
{
return;
}
minWayLen = 1000000000.0;
LinkedList <int> currentWayIndexses = new LinkedList <int>();
GreedyAlg(startCircle, currentWayIndexses, 0.0);
}
private void SetStartOrStopCircle(int[] clickCoords, CircleType typ)
{
MyCircle clickedCircle = circles.FirstOrDefault(c => c.IsNearClick(clickCoords));
if (clickedCircle != null)
{
foreach (MyCircle c in circles)
{
if (c.typ == typ)
{
c.typ = CircleType.Usual;
}
}
clickedCircle.typ = typ;
}
}
private void GreedyAlg(MyCircle curCircle, LinkedList <int> currentWayIndexes, double currentWayLen) //, int[] checkedWaysIndexes, int minWayCurrent, int minWayBest) {
{
for (int i = 0; i < ws.Count; i++)
{
if (WasCheckedWay(i, currentWayIndexes))
{
continue;
}
for (int j = 0; j < ws[i].circlePair.Length; j++)
{
if (curCircle == ws[i].circlePair[j])
{
int anotherCircleIndex = Math.Abs(j - 1);
currentWayLen += ws[i].WayLen;
currentWayIndexes.AddLast(i);
if (ws[i].circlePair[anotherCircleIndex].typ == CircleType.End)
{
if (currentWayLen < minWayLen)
{
minWayLen = currentWayLen;
bestWayIndexses = new int[currentWayIndexes.Count];
currentWayIndexes.CopyTo(bestWayIndexses, 0);
}
else
{
currentWayIndexes.RemoveLast();
}
}
else
{
GreedyAlg(ws[i].circlePair[anotherCircleIndex], currentWayIndexes, currentWayLen);
}
}
}
}
}
public Way(MyCircle firstCircle, MyCircle secondCircle)
{
circlePair = new MyCircle[] { firstCircle, secondCircle };
isBest = false;
WayLen = GetWayLen();
}