private void EnqueueEdge(GridEdge edge, bool reversedNormal)
{
_queuedEdge.Enqueue(new QueuedEdgeInfo {
Edge = edge, ReversedNormal = reversedNormal
});
_queuedEdgeSet.Add(edge.GetEdgeLong(_size));
}
private void EnqueueAdjacent(GridEdge e)
{
for (var axis = 0; axis < 3; ++axis)
{
for (var i = 0; i < 4; ++i)
{
GridEdge newEdge = new GridEdge(e.Coord + _findAdjacentEdgeList[e.Axis * 12 + axis * 4 + i], axis);
if (_queuedEdgeSet.Contains(newEdge.GetEdgeLong(_size)))
{
continue;
}
var lowVal = _cache.EvaluateAtGrid(newEdge.Low, GridCoordinate.Zero);
var highVal = _cache.EvaluateAtGrid(newEdge.High, GridCoordinate.Zero);
if (lowVal > 0 && highVal < 0)
{
EnqueueEdge(newEdge, false);
}
else if (lowVal < 0 && highVal > 0)
{
EnqueueEdge(newEdge, true);
}
}
}
}