/// <summary>
/// Render all the handles as squares or circles depending on class implementation
/// </summary>
/// <param name="viewport">The viewport to draw in</param>
/// <param name="start">The start of the box</param>
/// <param name="end">The end of the box</param>
private void RenderHandles(Viewport2D viewport, Coordinate start, Coordinate end)
{
if (_currentTool == null)
{
return;
}
var circles = _currentTool.RenderCircleHandles;
// Get the filtered list of handles, and convert them to vector locations
var z = (double)viewport.Zoom;
var handles = _currentTool.GetHandles(start, end, viewport.Zoom)
.Where(x => _currentTool.FilterHandle(x.Item1))
.Select(x => new Vector2d((double)x.Item2, (double)x.Item3))
.ToList();
// Draw the insides of the handles in white
GL.Color3(Color.White);
foreach (var handle in handles)
{
GL.Begin(BeginMode.Polygon);
if (circles)
{
GLX.Circle(handle, 4, z, loop: true);
}
else
{
GLX.Square(handle, 4, z, true);
}
GL.End();
}
// Draw the borders of the handles in black
GL.Color3(Color.Black);
GL.Begin(BeginMode.Lines);
foreach (var handle in handles)
{
if (circles)
{
GLX.Circle(handle, 4, z);
}
else
{
GLX.Square(handle, 4, z);
}
}
GL.End();
}
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(BeginMode.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();
}
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);
}