Пример #1
0
        protected override void Render2D(Viewport2D vp)
        {
            base.Render2D(vp);

            if (_currentTool != null)
            {
                _currentTool.Render2D(vp);
            }

            // Render out the solid previews
            GL.Color3(Color.Pink);
            Matrix.Push();
            var matrix = vp.GetModelViewMatrix();

            GL.MultMatrix(ref matrix);
            MapObjectRenderer.DrawWireframe(_copies.Keys.SelectMany(x => x.Faces), true, false);
            Matrix.Pop();

            // Draw in order by the unused coordinate (the up axis for this viewport)
            var ordered = (from point in Points
                           where (point.IsMidPoint && _showPoints != ShowPoints.Vertices) || (!point.IsMidPoint && _showPoints != ShowPoints.Midpoints)
                           let unused = vp.GetUnusedCoordinate(point.Coordinate)
                                        orderby point.IsSelected, unused.X + unused.Y + unused.Z
                           select point).ToList();
            // Render out the point handles
            var z = (double)vp.Zoom;

            GL.Begin(PrimitiveType.Quads);
            foreach (var point in ordered)
            {
                var c = vp.Flatten(point.Coordinate);
                GL.Color3(Color.Black);
                GLX.Square(new Vector2d(c.DX, c.DY), 4, z, true);
                GL.Color3(point.GetColour());
                GLX.Square(new Vector2d(c.DX, c.DY), 3, z, true);
            }
            GL.End();
        }
Пример #2
0
        private void Render2D(Viewport2D vp)
        {
            if (_state == ClipState.None ||
                _clipPlanePoint1 == null ||
                _clipPlanePoint2 == null ||
                _clipPlanePoint3 == null)
            {
                return;                              // Nothing to draw at this point
            }
            var z  = (double)vp.Zoom;
            var p1 = vp.Flatten(_clipPlanePoint1);
            var p2 = vp.Flatten(_clipPlanePoint2);
            var p3 = vp.Flatten(_clipPlanePoint3);

            // Draw points
            GL.Begin(PrimitiveType.Quads);
            GL.Color3(Color.White);
            GLX.Square(new Vector2d(p1.DX, p1.DY), 4, z, true);
            GLX.Square(new Vector2d(p2.DX, p2.DY), 4, z, true);
            GLX.Square(new Vector2d(p3.DX, p3.DY), 4, z, true);
            GL.End();

            GL.Enable(EnableCap.LineSmooth);
            GL.Hint(HintTarget.LineSmoothHint, HintMode.Nicest);

            // Draw lines between points and point outlines
            GL.Begin(PrimitiveType.Lines);
            GL.Color3(Color.White);
            GL.Vertex2(p1.DX, p1.DY);
            GL.Vertex2(p2.DX, p2.DY);
            GL.Vertex2(p2.DX, p2.DY);
            GL.Vertex2(p3.DX, p3.DY);
            GL.Vertex2(p3.DX, p3.DY);
            GL.Vertex2(p1.DX, p1.DY);
            GL.Color3(Color.Black);
            GLX.Square(new Vector2d(p1.DX, p1.DY), 4, z);
            GLX.Square(new Vector2d(p2.DX, p2.DY), 4, z);
            GLX.Square(new Vector2d(p3.DX, p3.DY), 4, z);
            GL.End();

            // Draw the clipped brushes
            if (!_clipPlanePoint1.EquivalentTo(_clipPlanePoint2) &&
                !_clipPlanePoint2.EquivalentTo(_clipPlanePoint3) &&
                !_clipPlanePoint1.EquivalentTo(_clipPlanePoint3))
            {
                var plane = new Plane(_clipPlanePoint1, _clipPlanePoint2, _clipPlanePoint3);
                var faces = new List <Face>();
                var idg   = new IDGenerator();
                foreach (var solid in Document.Selection.GetSelectedObjects().OfType <Solid>().ToList())
                {
                    Solid back, front;
                    if (solid.Split(plane, out back, out front, idg))
                    {
                        if (_side != ClipSide.Front)
                        {
                            faces.AddRange(back.Faces);
                        }
                        if (_side != ClipSide.Back)
                        {
                            faces.AddRange(front.Faces);
                        }
                    }
                }
                GL.LineWidth(2);
                GL.Color3(Color.White);
                Matrix.Push();
                var mat = vp.GetModelViewMatrix();
                GL.MultMatrix(ref mat);
                Rendering.Immediate.MapObjectRenderer.DrawWireframe(faces, true, false);
                Matrix.Pop();
                GL.LineWidth(1);
            }

            GL.Hint(HintTarget.LineSmoothHint, HintMode.Fastest);
            GL.Disable(EnableCap.LineSmooth);
        }