static void MoveLowerSite(OverlappedEdge edge, Point[] posNew, Point[] oldPos,
Set <int> visited)
{
double idealLen = edge.idealDistance;
var dir = -oldPos[edge.target] + oldPos[edge.source];
var len = dir.Length;
dir *= (idealLen / len + 0.01);
var standingNode = edge.target;
var movedNode = edge.source;
posNew[movedNode] = posNew[standingNode] + dir;
visited.Insert(movedNode);
}
/// <summary>
/// Returns a tuple representing an edge with: nodeId1, nodeId2, t(overlapFactor), ideal distance, edge weight.
/// </summary>
/// <param name="nodeId1"></param>
/// <param name="nodeId2"></param>
/// <param name="point1"></param>
/// <param name="point2"></param>
/// <param name="nodeSizes"></param>
/// <param name="forLayers"></param>
/// <returns></returns>
internal static OverlappedEdge GetIdealEdge(int nodeId1, int nodeId2,
Point point1,
Point point2,
Size[] nodeSizes, bool forLayers)
{
double t;
double idealDist = GetIdealEdgeLength(nodeId1, nodeId2, point1, point2, nodeSizes, out t);
double length = (point1 - point2).Length;
Rectangle box1, box2;
if (forLayers)
{
int maxId = Math.Max(nodeId1, nodeId2);
box1 = new Rectangle(nodeSizes[maxId], point1);
box2 = new Rectangle(nodeSizes[maxId], point2);
}
else
{
box1 = new Rectangle(nodeSizes[nodeId1], point1);
box2 = new Rectangle(nodeSizes[nodeId2], point2);
}
var distBox = GetDistanceRects(box1, box2);
double weight;
if (t > 1) //overlap
{
weight = -(idealDist - length);
}
else
{
weight = distBox;
}
int smallId = nodeId1;
int bigId = nodeId2;
if (nodeId1 > nodeId2)
{
smallId = nodeId2;
bigId = nodeId1;
}
return(OverlappedEdge.Create(smallId, bigId, t, idealDist, weight));
}
static double GetEdgeWidth(OverlappedEdge edge)
{
return(edge.overlapFactor > 1 ? 6 : 2);
}
