private void TriangulateCase9Connected(
int i, Voxel a, Voxel b, Voxel c, Voxel d)
{
Vector2 n1 = a.xNormal;
Vector2 n2 = b.yNormal;
if (IsSharpFeature(n1, n2))
{
Vector2 point = ComputeIntersection(a.XEdgePoint, n1, b.YEdgePoint, n2);
if (IsInsideCell(point, a, d) &&
IsBelowLine(point, a.position, d.position))
{
surface.AddPentagonADToB(i, point);
wall.AddBDAB(i, point);
}
else
{
surface.AddQuadADToB(i);
wall.AddBDAB(i);
}
}
else
{
surface.AddQuadADToB(i);
wall.AddBDAB(i);
}
n1 = c.xNormal;
n2 = a.yNormal;
if (IsSharpFeature(n1, n2))
{
Vector2 point = ComputeIntersection(c.XEdgePoint, n1, a.YEdgePoint, n2);
if (IsInsideCell(point, a, d) &&
IsBelowLine(point, d.position, a.position))
{
surface.AddPentagonADToC(i, point);
wall.AddACCD(i, point);
return;
}
}
surface.AddQuadADToC(i);
wall.AddACCD(i);
}
public void FillADToB(VoxelCell cell, FeaturePoint f)
{
if (f.exists)
{
surface.AddPentagonADToB(cell.i, f.position);
if (!cell.b.Filled)
{
wall.AddBDAB(cell.i, f.position);
}
}
else
{
surface.AddQuadADToB(cell.i);
if (!cell.b.Filled)
{
wall.AddBDAB(cell.i);
}
}
}