internal int GetNearestSegmentIndex(Vector p)
{
double smallest = GeometryUtils.DistanceFromSegment(Vertices[0].X, Vertices[0].Y, Vertices[1].X,
Vertices[1].Y, p.X, p.Y);
int smallestIndex = 0;
double current;
int c = Vertices.Count - 1;
for (int i = 1; i < c; i++)
{
current = GeometryUtils.DistanceFromSegment(Vertices[i].X, Vertices[i].Y, Vertices[i + 1].X,
Vertices[i + 1].Y, p.X, p.Y);
if (current < smallest)
{
smallest = current;
smallestIndex = i;
}
}
current = GeometryUtils.DistanceFromSegment(Vertices[c].X, Vertices[c].Y, Vertices[0].X, Vertices[0].Y, p.X,
p.Y);
if (current < smallest)
{
smallestIndex = c;
}
return(smallestIndex);
}
internal double DistanceFromPoint(Vector p)
{
double smallest = Math.Sqrt(Math.Pow((Vertices[0].X - p.X), 2) + Math.Pow((Vertices[0].Y - p.Y), 2));
double current;
int c = Vertices.Count - 1;
for (int i = 0; i < c; i++)
{
current = GeometryUtils.DistanceFromSegment(Vertices[i].X, Vertices[i].Y, Vertices[i + 1].X,
Vertices[i + 1].Y, p.X, p.Y);
if (current < smallest)
{
smallest = current;
}
}
if (!IsGrass || Global.AppSettings.LevelEditor.RenderingSettings.ShowInactiveGrassEdges)
{
current = GeometryUtils.DistanceFromSegment(Vertices[c].X, Vertices[c].Y, Vertices[0].X, Vertices[0].Y, p.X,
p.Y);
if (current < smallest)
{
smallest = current;
}
}
return(smallest);
}
internal void InsertIntersection(Vector p, double delta)
{
int c = Vertices.Count - 1;
for (int i = 0; i < c; i++)
{
if (
GeometryUtils.DistanceFromSegment(Vertices[i].X, Vertices[i].Y, Vertices[i + 1].X, Vertices[i + 1].Y,
p.X, p.Y) < delta)
{
Insert(i + 1, p);
return;
}
}
if (GeometryUtils.DistanceFromSegment(Vertices[c].X, Vertices[c].Y, Vertices[0].X, Vertices[0].Y, p.X, p.Y) <
delta)
{
Vertices.Add(p);
return;
}
Utils.ShowError("Failed to add intersection!!");
}
