/// <summary>
/// Gets the connections whose start vertex is within the specified bounds.
/// </summary>
/// <remarks>
/// <para>
/// The out parameters will be null if the return result is zero.
/// </para>
/// </remarks>
/// <param name="xmin">The minimum x-axis bounds.</param>
/// <param name="zmin">The minimum z-axis bounds.</param>
/// <param name="xmax">The maximum x-axis bounds.</param>
/// <param name="zmax">The maximum z-axis bounds.</param>
/// <param name="rverts">The connection vertices. [(start, end) * connCount]</param>
/// <param name="rradii">The connection radii. [Length: connCount]</param>
/// <param name="rdirs">The connection direction flags. [Length: connCount]</param>
/// <param name="rareas">The connection areas. [Length: connCount]</param>
/// <param name="rflags">The connection flags. [Length: connCount]</param>
/// <param name="ruserIds">The connection user ids. [Length: connCount]</param>
/// <returns>The number of connection returned.</returns>
public int GetConnections(float xmin, float zmin, float xmax, float zmax
, out Vector3[] rverts, out float[] rradii
, out byte[] rdirs, out byte[] rareas, out ushort[] rflags, out uint[] ruserIds)
{
rverts = null;
rradii = null;
rdirs = null;
rareas = null;
rflags = null;
ruserIds = null;
if (radii.Length == 0)
{
return(0);
}
List <Vector3> rlverts = new List <Vector3>();
List <float> rlradii = new List <float>();
List <byte> rldirs = new List <byte>();
List <byte> rlareas = new List <byte>();
List <ushort> rlflags = new List <ushort>();
List <uint> rluserIds = new List <uint>();
for (int i = 0; i < radii.Length; i++)
{
Vector3 v = verts[i * 2 + 0];
if (Rectangle2.Contains(xmin, zmin, xmax, zmax, v.x, v.z))
{
rlverts.Add(v);
rlverts.Add(verts[i * 2 + 1]);
rlradii.Add(radii[i]);
rldirs.Add(dirs[i]);
rlareas.Add(areas[i]);
rlflags.Add(flags[i]);
rluserIds.Add(userIds[i]);
}
}
if (rlradii.Count == 0)
{
return(0);
}
rverts = rlverts.ToArray();
rradii = rlradii.ToArray();
rdirs = rldirs.ToArray();
rareas = rlareas.ToArray();
rflags = rlflags.ToArray();
ruserIds = rluserIds.ToArray();
return(rradii.Length);
}
private void OnMouseIsDownOverview(int x, int y, int width, int height)
{
Size2 overview = GraphUtil.CalcOverviewSize(width, height, main.TotalWidth(), main.TotalHeight());
Rectangle2 win = GraphUtil.CalcWin(overview, main.TotalSize, main.VisibleWin, main.ZoomFactor, main.ZoomFactor);
if (win.Contains(x, y))
{
navigatorData.Start(x, y, main.VisibleX, main.VisibleY);
}
else
{
float x1 = x - win.Width / 2;
float y1 = y - win.Height / 2;
int newX = (int)Math.Round(x1 * main.TotalWidth() / overview.Width);
int newY = (int)Math.Round(y1 * main.TotalHeight() / overview.Height);
newX = (int)Math.Min(Math.Max(newX, 0), main.TotalWidth() - main.VisibleWidth / main.ZoomFactor);
main.VisibleX = newX;
newY = (int)Math.Min(Math.Max(newY, 0), main.TotalHeight() - main.VisibleHeight / main.ZoomFactor);
main.VisibleY = newY;
invalidate();
}
}