protected override void Render3D(Viewport3D vp) { base.Render3D(vp); if (_currentTool != null) { _currentTool.Render3D(vp); } TextureHelper.Unbind(); if (_currentTool == null || _currentTool.DrawVertices()) { // Get us into 2D rendering Matrix.Set(MatrixMode.Projection); Matrix.Identity(); Graphics.Helpers.Viewport.Orthographic(0, 0, vp.Width, vp.Height); Matrix.Set(MatrixMode.Modelview); Matrix.Identity(); var half = new Coordinate(vp.Width, vp.Height, 0) / 2; // Render out the point handles GL.Begin(PrimitiveType.Quads); foreach (var point in Points) { if (point.IsMidPoint && _showPoints == ShowPoints.Vertices) { continue; } if (!point.IsMidPoint && _showPoints == ShowPoints.Midpoints) { continue; } var c = vp.WorldToScreen(point.Coordinate); if (c == null || c.Z > 1) { continue; } c -= half; GL.Color3(Color.Black); GL.Vertex2(c.DX - 4, c.DY - 4); GL.Vertex2(c.DX - 4, c.DY + 4); GL.Vertex2(c.DX + 4, c.DY + 4); GL.Vertex2(c.DX + 4, c.DY - 4); GL.Color3(point.GetColour()); GL.Vertex2(c.DX - 3, c.DY - 3); GL.Vertex2(c.DX - 3, c.DY + 3); GL.Vertex2(c.DX + 3, c.DY + 3); GL.Vertex2(c.DX + 3, c.DY - 3); } GL.End(); // Get back into 3D rendering Matrix.Set(MatrixMode.Projection); Matrix.Identity(); Graphics.Helpers.Viewport.Perspective(0, 0, vp.Width, vp.Height, View.CameraFOV); Matrix.Set(MatrixMode.Modelview); Matrix.Identity(); vp.Camera.Position(); } var type = vp.Type; bool shaded = type == Viewport3D.ViewType.Shaded || type == Viewport3D.ViewType.Textured, textured = type == Viewport3D.ViewType.Textured, wireframe = type == Viewport3D.ViewType.Wireframe; // Render out the solid previews GL.Color3(Color.White); var faces = _copies.Keys.SelectMany(x => x.Faces).ToList(); if (!wireframe) { if (shaded) { MapObjectRenderer.EnableLighting(); } GL.Enable(EnableCap.Texture2D); MapObjectRenderer.DrawFilled(faces.Where(x => !x.IsSelected), Color.FromArgb(255, 64, 192, 64), textured); MapObjectRenderer.DrawFilled(faces.Where(x => x.IsSelected), Color.FromArgb(255, 255, 128, 128), textured); GL.Disable(EnableCap.Texture2D); MapObjectRenderer.DisableLighting(); GL.Color3(Color.Pink); MapObjectRenderer.DrawWireframe(faces, true, false); } else { GL.Color4(Color.FromArgb(255, 64, 192, 64)); MapObjectRenderer.DrawWireframe(faces.Where(x => !x.IsSelected), true, false); GL.Color4(Color.FromArgb(255, 255, 128, 128)); MapObjectRenderer.DrawWireframe(faces.Where(x => x.IsSelected), true, false); } }