Exemplos de sd BoundingBox3d.intersect em C# (CSharp)

Exemplo n.º 1

        public static bool MightIntersect_BB(List <xyz> main1, List <xyz> main2)
        {
            BoundingBox3d bb1 = BoundingBox3d.FromArrayOfPoints(main1);
            BoundingBox3d bb2 = BoundingBox3d.FromArrayOfPoints(main2);

            return(BoundingBox3d.intersect(bb1, bb2));
        }

Exemplo n.º 2

Arquivo: bool3d.cs Projeto: thild/sawdust

        public static CompoundSolid Subtract(CompoundSolid s1, Solid s2)
        {
            CompoundSolid result = new CompoundSolid();

            BoundingBox3d bb2 = s2.GetBoundingBox();

            bool bCheck = result.HasSubOverlaps;

            foreach (Solid s in s1.Subs)
            {
                BoundingBox3d bb1 = s.GetBoundingBox();
                if (!BoundingBox3d.intersect(bb1, bb2))
                {
                    result.AddSub(s.Clone(), bCheck);
                }
                else
                {
                    result.AddSub(Subtract(s, s2), bCheck);
                }
            }

#if DEBUG
            result.AssertNoNameClashes();
#endif

            return(result);
        }

Exemplo n.º 3

Arquivo: bool3d.cs Projeto: thild/sawdust

        public static bool CheckIfTwoSolidsShareAnySpace(Solid s1, Solid s2)
        {
            BoundingBox3d bb1 = s1.GetBoundingBox();
            BoundingBox3d bb2 = s2.GetBoundingBox();

            if (!BoundingBox3d.intersect(bb1, bb2))
            {
                return(false);
            }

            BoundingBox3d bb3 = BoundingBox3d.CalcIntersection(bb1, bb2);

            if (fp.eq_tol(bb3.volume, 0, 0.0001))
            {
                return(false);
            }

            bsp3d bsp1 = new bsp3d(s1);
            bsp3d bsp2 = new bsp3d(s2);

            xyz c1 = s1.GetCenter();

            if (
                (bsp1.PointInPolyhedron(c1) == PointInPoly.Inside) &&
                (bsp2.PointInPolyhedron(c1) == PointInPoly.Inside)
                )
            {
                return(true);
            }
            xyz c2 = s2.GetCenter();

            if (
                (bsp2.PointInPolyhedron(c2) == PointInPoly.Inside) &&
                (bsp1.PointInPolyhedron(c2) == PointInPoly.Inside)
                )
            {
                return(true);
            }

            foreach (Face f1 in s1.Faces)
            {
                xyz p = f1.GetCenter() - f1.UnitNormal() * 0.01;
                if (
                    (bsp2.PointInPolyhedron(p) == PointInPoly.Inside) &&
                    (bsp1.PointInPolyhedron(p) == PointInPoly.Inside)
                    )
                {
                    return(true);
                }
            }

            foreach (Face f2 in s2.Faces)
            {
                xyz p = f2.GetCenter() - f2.UnitNormal() * 0.01;
                if (
                    (bsp1.PointInPolyhedron(p) == PointInPoly.Inside) &&
                    (bsp2.PointInPolyhedron(p) == PointInPoly.Inside)
                    )
                {
                    return(true);
                }
            }

            if (s1.AnyEdgePiercesAnyFace(s2))
            {
                return(true);
            }

            if (s2.AnyEdgePiercesAnyFace(s1))
            {
                return(true);
            }

            // TODO we apparently need another testhere

            return(false);
        }