public HighLevelEdge processSingleDirectionEdge(Edge.EdgeLabel eLabel, Vector3 direction, Corner source) {
bool changed = true;
Vertex sourceVertex = source.getVertex ();
Vertex current = sourceVertex;
List<Edge> usedEdges = new List<Edge> ();
while (changed) {
changed = false;
foreach (Edge e in current.getEdges()) {
if (e.hasParent()) {
continue;
}
if (e.getLabel() != eLabel) {
// If this isn't a correct type of edge, go to the next
continue;
}
// Get our target
Vertex target = e.getTo () == sourceVertex ? e.getFrom () : e.getTo ();
// Calculate direction
Vector3 newDirection = (target.getPoint () - current.getPoint ()).normalized;
// If the direction isn't the same, we're done
if (direction != newDirection) {
continue;
}
usedEdges.Add (e);
// Get the target label
Vertex.VertexLabel targetLabel = target.getLabel ();
if (targetLabel == Vertex.VertexLabel.cornerConcave ||
targetLabel == Vertex.VertexLabel.cornerConvex ||
targetLabel == Vertex.VertexLabel.cornerSaddle) {
// Create HLE, this is the end of our HLE
HighLevelEdge hle = new HighLevelEdge();
hle.addEdgeRange (usedEdges);
// Get target corner
Corner c = target.getParent();
// Set from and to of hle
hle.setFrom (source);
hle.setTo (c);
// Add edges to the corners
c.addEdge (hle);
source.addEdge (hle);
// Set all edges to processed
foreach (Edge en in usedEdges) {
en.setParent (hle);
}
return hle;
} else {
Debug.Log ("next edge in sequence!");
current = target;
changed = true;
}
}
}
// No valid HLE :(
return null;
}
