private void AddToCornerList(List <Graph.Corner> corners, Graph.Corner corner)
{
if (corner != null && !corners.Contains(corner))
{
corners.Add(corner);
}
}
private Graph.Corner MakeCorner(Point point)
{
if (point == null)
{
return(null);
}
for (int i = (int)(point.X) - 1; i <= (int)(point.X) + 1; i++)
{
if (_cornerMap.ContainsKey(i))
{
foreach (Graph.Corner corner in _cornerMap[i])
{
float dx = (float)point.X - corner.pos.x;
float dy = (float)point.Y - corner.pos.y;
if (Mathf.Sqrt(dx * dx + dy * dy) < Mathf.Epsilon)
{
return(corner);
}
}
}
}
int index = (int)point.X;
if (!_cornerMap.ContainsKey(index) || _cornerMap[index] == null)
{
_cornerMap[index] = new List <Graph.Corner>();
}
Graph.Corner q = new Graph.Corner
{
id = data.corners.Count,
pos = point.ToVector(),
border = (point.X == 0 || point.X == rectangle.Width || point.Y == 0 || point.Y == rectangle.Height),
touches = new List <Graph.Center>(),
protrudes = new List <Graph.Edge>(),
adjacent = new List <Graph.Corner>()
};
data.corners.Add(q);
_cornerMap[index].Add(q);
return(q);
}
