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); } } }