public override void ToolDeselected(bool preventHistory)
{
_state = SketchState.None;
_currentFace = _cloneFace = null;
_intersection = null;
_base = null;
_depth = 0;
_volumePlane = null;
}
public override void MouseDown(ViewportBase viewport, ViewportEvent e)
{
//
switch (_state)
{
case SketchState.None:
// nothin
break;
case SketchState.Ready:
if (e.Button != MouseButtons.Left)
{
break;
}
_base = new Polygon(_currentFace.Plane, 1);
_base.Transform(new UnitTranslate(_intersection - _base.Vertices[0]));
_state = SketchState.DrawingBase;
break;
case SketchState.DrawingBase:
if (e.Button == MouseButtons.Right)
{
// Cancel
_state = SketchState.None;
_base = null;
}
else if (e.Button == MouseButtons.Left)
{
ExpandBase(_intersection);
_volumePlane = new Plane(_base.Vertices[1], _base.Vertices[2], _base.Vertices[2] + _base.Plane.Normal);
_state = SketchState.DrawingVolume;
}
break;
case SketchState.DrawingVolume:
if (e.Button == MouseButtons.Right)
{
_state = SketchState.DrawingBase;
_volumePlane = null;
}
else if (e.Button == MouseButtons.Left)
{
var diff = _intersection - _base.Vertices[2];
var sign = _base.Plane.OnPlane(_intersection) < 0 ? -1 : 1;
_depth = diff.VectorMagnitude() * sign;
CreateBrush(_base, _depth);
_base = null;
_volumePlane = null;
_state = SketchState.None;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void UpdateCurrentFace(Viewport3D viewport, ViewportEvent e)
{
var ray = viewport.CastRayFromScreen(e.X, e.Y);
// The face doesn't change when drawing, just update the intersection
if (_state == SketchState.DrawingBase || _state == SketchState.DrawingVolume)
{
_intersection = (_state == SketchState.DrawingBase ? _currentFace.Plane : _volumePlane).GetIntersectionPoint(ray, true, true);
return;
}
var isect = Document.Map.WorldSpawn.GetAllNodesIntersectingWith(ray)
.OfType <Solid>()
.SelectMany(x => x.Faces)
.Select(x => new { Item = x, Intersection = x.GetIntersectionPoint(ray) })
.Where(x => x.Intersection != null)
.OrderBy(x => (x.Intersection - ray.Start).VectorMagnitude())
.FirstOrDefault();
if (isect != null)
{
if (_currentFace != isect.Item)
{
_cloneFace = isect.Item.Clone();
_cloneFace.Transform(new UnitTranslate(isect.Item.Plane.Normal * 0.1m), TransformFlags.None);
}
_currentFace = isect.Item;
_intersection = isect.Intersection;
_state = SketchState.Ready;
}
else
{
_cloneFace = null;
_currentFace = null;
_intersection = null;
_state = SketchState.None;
}
}
private void UpdateCurrentFace(Viewport3D viewport, ViewportEvent e)
{
var ray = viewport.CastRayFromScreen(e.X, e.Y);
// The face doesn't change when drawing, just update the intersection
if (_state == SketchState.DrawingBase || _state == SketchState.DrawingVolume)
{
_intersection = (_state == SketchState.DrawingBase ? _currentFace.Plane : _volumePlane).GetIntersectionPoint(ray, true, true);
return;
}
var isect = Document.Map.WorldSpawn.GetAllNodesIntersectingWith(ray)
.OfType<Solid>()
.SelectMany(x => x.Faces)
.Select(x => new { Item = x, Intersection = x.GetIntersectionPoint(ray) })
.Where(x => x.Intersection != null)
.OrderBy(x => (x.Intersection - ray.Start).VectorMagnitude())
.FirstOrDefault();
if (isect != null)
{
if (_currentFace != isect.Item)
{
_cloneFace = isect.Item.Clone();
_cloneFace.Transform(new UnitTranslate(isect.Item.Plane.Normal * 0.1m), TransformFlags.None);
}
_currentFace = isect.Item;
_intersection = isect.Intersection;
_state = SketchState.Ready;
}
else
{
_cloneFace = null;
_currentFace = null;
_intersection = null;
_state = SketchState.None;
}
}
public override void ToolSelected(bool preventHistory)
{
_state = SketchState.None;
_currentFace = _cloneFace = null;
_intersection = null;
_drawing = null;
_volumePlane = null;
}
public override void MouseDown(ViewportBase viewport, ViewportEvent e)
{
//
switch (_state)
{
case SketchState.None:
// nothin
break;
case SketchState.Ready:
if (e.Button != MouseButtons.Left) break;
_drawing = new Box(_intersection, _intersection);
_state = SketchState.DrawingBase;
break;
case SketchState.DrawingBase:
if (e.Button == MouseButtons.Right)
{
// Cancel
_state = SketchState.None;
_drawing = null;
}
else if (e.Button == MouseButtons.Left)
{
_drawing = new Box(_drawing.Start, _intersection);
_volumePlane = new Plane(new Coordinate(_drawing.End.X, _drawing.Start.Y, _drawing.Start.Z), _drawing.End, _drawing.End + _currentFace.Plane.Normal);
_state = SketchState.DrawingVolume;
}
break;
case SketchState.DrawingVolume:
if (e.Button == MouseButtons.Right)
{
_state = SketchState.DrawingBase;
_volumePlane = null;
}
else if (e.Button == MouseButtons.Left)
{
CreateBrush(new Box(new[] {_drawing.Start, _drawing.End}));
_drawing = null;
_volumePlane = null;
_state = SketchState.None;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public override void MouseDown(ViewportBase viewport, ViewportEvent e)
{
//
switch (_state)
{
case SketchState.None:
// nothin
break;
case SketchState.Ready:
if (e.Button != MouseButtons.Left) break;
_base = new Polygon(_currentFace.Plane, 1);
_base.Transform(new UnitTranslate(_intersection - _base.Vertices[0]));
_state = SketchState.DrawingBase;
break;
case SketchState.DrawingBase:
if (e.Button == MouseButtons.Right)
{
// Cancel
_state = SketchState.None;
_base = null;
}
else if (e.Button == MouseButtons.Left)
{
ExpandBase(_intersection);
_volumePlane = new Plane(_base.Vertices[1], _base.Vertices[2], _base.Vertices[2] + _base.Plane.Normal);
_state = SketchState.DrawingVolume;
}
break;
case SketchState.DrawingVolume:
if (e.Button == MouseButtons.Right)
{
_state = SketchState.DrawingBase;
_volumePlane = null;
}
else if (e.Button == MouseButtons.Left)
{
var diff = _intersection - _base.Vertices[2];
var sign = _base.Plane.OnPlane(_intersection) < 0 ? -1 : 1;
_depth = diff.VectorMagnitude() * sign;
CreateBrush(_base, _depth);
_base = null;
_volumePlane = null;
_state = SketchState.None;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}