public void Parallelize(Vertex changedVertex = null)
{
foreach (var parallelEdges in ParallelPairs.OrderBy(p => p.Parallel))
{
var parallel = parallelEdges.Parallel;
var parallelEdgesVertices = parallelEdges.Vertices;
if (parallel && changedVertex != null && (changedVertex.Id == parallelEdgesVertices[2] ||
changedVertex.Id == parallelEdgesVertices[3]))
{
var first2 = parallelEdgesVertices.Take(2);
var last2 = parallelEdgesVertices.Skip(2).ToList();
last2.AddRange(first2);
parallelEdgesVertices = last2;
}
var point11 = Vertices.First(v => v.Id == parallelEdgesVertices[0]).Point;
var point12 = Vertices.First(v => v.Id == parallelEdgesVertices[1]).Point;
var point21 = Vertices.First(v => v.Id == parallelEdgesVertices[2]).Point;
var point22 = Vertices.First(v => v.Id == parallelEdgesVertices[3]).Point;
var vert22 = Vertices.First(v => v.Id == parallelEdgesVertices[3]);
var length1 = point11.Length(point12);
var length2 = point21.Length(point22) + 0.6;
var diffP1 = point12.Minus(point11);
if (!parallel)
{
diffP1 = new Point(diffP1.Y, -diffP1.X);
}
var newP22 = point21.Add(diffP1.Multiply(length2 / length1));
ShiftVertex(vert22, newP22);
}
}
public void DeleteVertex(Vertex vertex)
{
if (Vertices.Count <= 3)
{
return;
}
var prevVertex = vertex.Edges[0].Vertices[0];
var nextVertex = vertex.Edges[1].Vertices[1];
var prevEdge = vertex.Edges[0];
var nextEdge = vertex.Edges[1];
_window.DrawPoints(vertex.Edges[0].Points, DefaultColor);
_window.DrawPoints(vertex.Edges[1].Points, DefaultColor);
_window.DrawDot(vertex.Point, DefaultColor);
var newEdgePoints = GetLine(nextVertex.Point.X, nextVertex.Point.Y, prevVertex.Point.X, prevVertex.Point.Y);
var maxEdgeId = Edges.Select(e => e.Id).Max();
var newEdge = new Edge(maxEdgeId + 1, newEdgePoints);
prevVertex.Edges[1] = nextVertex.Edges[0] = newEdge;
newEdge.Vertices[0] = prevVertex;
newEdge.Vertices[1] = nextVertex;
Edges.Add(newEdge);
Vertices.Remove(vertex);
Edges.Remove(prevEdge);
Edges.Remove(nextEdge);
ParallelPairs.RemoveAll(pair => pair.Vertices.Contains(vertex.Id));
_window.RedrawAll();
}
public void SetupParallelEdges(int edge1Id, int edge2Id, bool parallel)
{
var edge1 = Edges.First(e => e.Id == edge1Id);
var edge2 = Edges.First(e => e.Id == edge2Id);
var vertex11 = Vertices.First(v => v.Id == edge1.Vertices[0].Id);
var vertex12 = Vertices.First(v => v.Id == edge1.Vertices[1].Id);
var vertex21 = Vertices.First(v => v.Id == edge2.Vertices[0].Id);
var vertex22 = Vertices.First(v => v.Id == edge2.Vertices[1].Id);
var intEdges = new List <int> {
edge1Id, edge2Id
};
var intVertices = new List <int>();
if (vertex11.Point.X < vertex12.Point.X)
{
intVertices.Add(vertex11.Id);
intVertices.Add(vertex12.Id);
}
else
{
intVertices.Add(vertex12.Id);
intVertices.Add(vertex11.Id);
}
if (vertex21.Point.X < vertex22.Point.X)
{
intVertices.Add(vertex21.Id);
intVertices.Add(vertex22.Id);
}
else
{
intVertices.Add(vertex22.Id);
intVertices.Add(vertex21.Id);
}
var parallelEdges = new ParallelEdges
{
Parallel = parallel,
Edges = intEdges,
Vertices = intVertices
};
ParallelPairs.Add(parallelEdges);
}
public void AddVertexOnEdge(Point edgePoint, Edge edge)
{
_window.DrawPoints(edge.Points, DefaultColor);
ParallelPairs.RemoveAll(pair => pair.Edges.Contains(edge.Id));
var prevVertex = edge.Vertices[0];
var nextVertex = edge.Vertices[1];
var maxVertexId = Vertices.Select(v => v.Id).Max();
var maxEdgeId = Edges.Select(e => e.Id).Max();
var prevEdgePoints = GetLine(edgePoint.X, edgePoint.Y, prevVertex.Point.X, prevVertex.Point.Y);
var nextEdgePoints = GetLine(edgePoint.X, edgePoint.Y, nextVertex.Point.X, nextVertex.Point.Y);
var newVertex = new Vertex(maxVertexId + 1, edgePoint);
var newPrevEdge = new Edge(maxEdgeId + 1, prevEdgePoints);
var newNextEdge = new Edge(maxEdgeId + 2, nextEdgePoints);
newVertex.Edges[0] = newPrevEdge;
newVertex.Edges[1] = newNextEdge;
newPrevEdge.Vertices[0] = prevVertex;
newPrevEdge.Vertices[1] = newVertex;
newNextEdge.Vertices[0] = newVertex;
newNextEdge.Vertices[1] = nextVertex;
prevVertex.Edges[1] = newPrevEdge;
nextVertex.Edges[0] = newNextEdge;
Edges.Remove(edge);
Edges.Add(newPrevEdge);
Edges.Add(newNextEdge);
Vertices.Add(newVertex);
_window.RedrawAll();
}
public void DeleteEdgeRelation(Edge edge)
{
ParallelPairs.RemoveAll(pair => pair.Edges.Contains(edge.Id));
_window.RedrawAll();
}
