public static void addHermiteNormals(AbstractHermiteGrid grid, float cellSize, LineManager3DLines lines)
{
grid.ForEachGridPoint(p =>
{
var sign = grid.GetSign(p);
var dirs = new[] { new Point3(1, 0, 0), new Point3(0, 1, 0), new Point3(0, 0, 1) };
foreach (var dir in dirs)
{
if (sign == grid.GetSign(p + dir))
{
continue;
}
//lines.AddLine(vertPos, end, Color.Black.dx());
var edge = grid.GetEdgeId(p, p + dir);
var edgeStart = grid.GetEdgeOffsets(edge)[0] + p;
var edgeEnd = grid.GetEdgeOffsets(edge)[1] + p;
var normal = grid.GetEdgeNormal(p, edge);
var pos = grid.GetEdgeIntersectionCubeLocal(p, edge);
pos = (p + pos) * cellSize;
lines.AddLine(pos, pos + normal * 0.4f * cellSize, Color.Blue);
lines.AddLine(edgeStart.ToVector3() * cellSize, edgeEnd.ToVector3() * cellSize, Color.LightBlue);
lines.AddCenteredBox(pos, 0.02f, Color.Red);
}
});
}
public static void addHermiteVertices(AbstractHermiteGrid grid, float cellSize, LineManager3DLines lines)
{
grid.ForEachGridPoint(p =>
{
var sign = grid.GetSign(p);
if (GridHelper.OrthogonalDirections3D.All(dir => grid.GetSign(p + dir) == sign))
{
return;
}
var vertPos = p.ToVector3() * cellSize;
var color = sign ? Color.Green.dx() : Color.LightGray.dx();
//if (!sign)
lines.AddCenteredBox(vertPos, cellSize * 0.1f, color);
});
}