Example #1
0
        public void make_octahedron(Polyhedron cube = null)
        {
            if (cube == null)
            {
                cube = new Polyhedron();
                cube.make_hexahedron();
            }

            // up
            Face f0 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[2].Center),
                new Point3d(cube.Faces[1].Center),
                new Point3d(cube.Faces[4].Center)
            }
                );

            f0.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f0.Points[1].TextureCoordinates = new PointF(0, 1);
            f0.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f1 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[2].Center),
                new Point3d(cube.Faces[1].Center),
                new Point3d(cube.Faces[5].Center)
            }
                );

            f1.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f1.Points[1].TextureCoordinates = new PointF(0, 1);
            f1.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f2 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[2].Center),
                new Point3d(cube.Faces[5].Center),
                new Point3d(cube.Faces[0].Center)
            }
                );

            f2.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f2.Points[1].TextureCoordinates = new PointF(0, 1);
            f2.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f3 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[2].Center),
                new Point3d(cube.Faces[0].Center),
                new Point3d(cube.Faces[4].Center)
            }
                );

            f3.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f3.Points[1].TextureCoordinates = new PointF(0, 1);
            f3.Points[2].TextureCoordinates = new PointF(1, 1);

            // down
            Face f4 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[3].Center),
                new Point3d(cube.Faces[1].Center),
                new Point3d(cube.Faces[4].Center)
            }
                );

            f4.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f4.Points[1].TextureCoordinates = new PointF(0, 1);
            f4.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f5 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[3].Center),
                new Point3d(cube.Faces[1].Center),
                new Point3d(cube.Faces[5].Center)
            }
                );

            f5.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f5.Points[1].TextureCoordinates = new PointF(0, 1);
            f5.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f6 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[3].Center),
                new Point3d(cube.Faces[5].Center),
                new Point3d(cube.Faces[0].Center)
            }
                );

            f6.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f6.Points[1].TextureCoordinates = new PointF(0, 1);
            f6.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f7 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[3].Center),
                new Point3d(cube.Faces[0].Center),
                new Point3d(cube.Faces[4].Center)
            }
                );

            f7.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f7.Points[1].TextureCoordinates = new PointF(0, 1);
            f7.Points[2].TextureCoordinates = new PointF(1, 1);

            Faces = new List <Face> {
                f0, f1, f2, f3, f4, f5, f6, f7
            };
            find_center();
        }
Example #2
0
        public void make_tetrahedron(Polyhedron cube = null)
        {
            if (cube == null)
            {
                cube = new Polyhedron();
                cube.make_hexahedron();
            }
            Face f0 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[0].Points[0]),
                new Point3d(cube.Faces[1].Points[1]),
                new Point3d(cube.Faces[1].Points[3])
            }
                );

            f0.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f0.Points[1].TextureCoordinates = new PointF(0, 1);
            f0.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f1 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[1].Points[3]),
                new Point3d(cube.Faces[1].Points[1]),
                new Point3d(cube.Faces[0].Points[2])
            }
                );

            f1.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f1.Points[1].TextureCoordinates = new PointF(0, 1);
            f1.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f2 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[0].Points[2]),
                new Point3d(cube.Faces[1].Points[1]),
                new Point3d(cube.Faces[0].Points[0])
            }
                );

            f2.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f2.Points[1].TextureCoordinates = new PointF(0, 1);
            f2.Points[2].TextureCoordinates = new PointF(1, 1);

            Face f3 = new Face(
                new List <Point3d>
            {
                new Point3d(cube.Faces[0].Points[2]),
                new Point3d(cube.Faces[0].Points[0]),
                new Point3d(cube.Faces[1].Points[3])
            }
                );

            f3.Points[0].TextureCoordinates = new PointF(0.5f, 0);
            f3.Points[1].TextureCoordinates = new PointF(0, 1);
            f3.Points[2].TextureCoordinates = new PointF(1, 1);

            Faces = new List <Face> {
                f0, f1, f2, f3
            };
            find_center();
        }