private void EnqueueEdge(GridEdge edge, bool reversedNormal)
{
_queuedEdge.Enqueue(new QueuedEdgeInfo {
Edge = edge, ReversedNormal = reversedNormal
});
_queuedEdgeSet.Add(edge.GetEdgeLong(_size));
}
public void AddFace(GridEdge edge, bool reversedNormal)
{
var grid = edge.Coord;
var axis = edge.Axis;
int p0 = GetVertex(grid + _axisGridOffsetList[axis * 3 + 0]);
int p1 = GetVertex(grid + _axisGridOffsetList[axis * 3 + 1]);
int p2 = GetVertex(grid + _axisGridOffsetList[axis * 3 + 2]);
int p3 = GetVertex(grid);
if (!reversedNormal)
{
_indices.Add(p0);
_indices.Add(p1);
_indices.Add(p3);
_indices.Add(p0);
_indices.Add(p3);
_indices.Add(p2);
}
else
{
_indices.Add(p0);
_indices.Add(p3);
_indices.Add(p1);
_indices.Add(p0);
_indices.Add(p2);
_indices.Add(p3);
}
}
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);
}
}
}
}
