void EventManagerDragSample_Loaded(object sender, RoutedEventArgs e)
{
Ab3d.Utilities.VisualEventSource3D eventSource3D;
_eventManager = new Ab3d.Utilities.EventManager3D(Viewport3D1);
// Exclude TransparentPlaneVisual3D from hit testing
_eventManager.RegisterExcludedVisual3D(TransparentPlaneVisual3D);
//eventSource3D = new Ab3d.Utilities.VisualEventSource3D();
//eventSource3D.TargetVisual3D = LowerBoxVisual3D;
//eventSource3D.Name = "Lower";
//eventSource3D.IsDragSurface = true;
//eventManager.RegisterEventSource3D(eventSource3D);
//eventSource3D = new Ab3d.Utilities.VisualEventSource3D();
//eventSource3D.TargetVisual3D = PassageBoxVisual3D;
//eventSource3D.Name = "Passage";
//eventSource3D.IsDragSurface = true;
//eventManager.RegisterEventSource3D(eventSource3D);
//eventSource3D = new Ab3d.Utilities.VisualEventSource3D();
//eventSource3D.TargetVisual3D = UpperBoxVisual3D;
//eventSource3D.Name = "Upper";
//eventSource3D.IsDragSurface = true;
//eventManager.RegisterEventSource3D(eventSource3D);
Ab3d.Utilities.MultiVisualEventSource3D multiEventSource3D;
multiEventSource3D = new Ab3d.Utilities.MultiVisualEventSource3D();
multiEventSource3D.TargetVisuals3D = new Visual3D[] { LowerBoxVisual3D, PassageBoxVisual3D, UpperBoxVisual3D };
multiEventSource3D.IsDragSurface = true;
_eventManager.RegisterEventSource3D(multiEventSource3D);
eventSource3D = new Ab3d.Utilities.VisualEventSource3D();
eventSource3D.TargetVisual3D = MovableBoxVisual3D;
eventSource3D.Name = "Movable";
eventSource3D.MouseEnter += new Ab3d.Common.EventManager3D.Mouse3DEventHandler(eventSource3D_MouseEnter);
eventSource3D.MouseLeave += new Ab3d.Common.EventManager3D.Mouse3DEventHandler(eventSource3D_MouseLeave);
eventSource3D.MouseClick += new Ab3d.Common.EventManager3D.MouseButton3DEventHandler(movableEventSource3D_MouseClick);
eventSource3D.MouseDrag += new Ab3d.Common.EventManager3D.MouseDrag3DEventHandler(movableEventSource3D_MouseDrag);
_eventManager.RegisterEventSource3D(eventSource3D);
}
private void OnLoaded(object sender, RoutedEventArgs routedEventArgs)
{
LoadSelectedScene();
_eventManager = new Ab3d.Utilities.EventManager3D(MainViewport);
// Exclude some Visuals from hit testing - without this we would not get MouseUp events
_eventManager.RegisterExcludedVisual3D(StartLineVisual3D, EndLineVisual3D, DistanceLineVisual3D, TextPlaneVisual3D);
var eventSource3D = new Ab3d.Utilities.VisualEventSource3D();
eventSource3D.TargetVisual3D = ContentVisual;
eventSource3D.MouseMove += EventSource3DOnMouseMove;
eventSource3D.MouseUp += EventSource3DOnMouseUp;
_eventManager.RegisterEventSource3D(eventSource3D);
}
private void CreateRootModel()
{
bool show3DLine = false;
switch (ObjectComboBox.SelectedIndex)
{
case 0:
Ab3d.Meshes.SphereMesh3D sphere = new Ab3d.Meshes.SphereMesh3D(new Point3D(0, 0, 0), 80, 10);
_rootMesh = sphere.Geometry;
break;
case 1:
Ab3d.Meshes.SphereMesh3D sphere2 = new Ab3d.Meshes.SphereMesh3D(new Point3D(0, 0, 0), 80, 5);
_rootMesh = sphere2.Geometry;
break;
case 2:
// NOTE: Here we create an optimized version of sphere but it does not have texture coordinates
// If we do not need texture coordinates (do not need to show texture), than we can slightly simplify the sphere model.
// When we also need to create texture coordinates, the top most position that represent the same point in space is defined multiple times
// - each time with slightly different texture coordinate (so that the whole top line on the texture is shown around the top sphere position).
// Also there are x + 1 position around the sphere (in one row) - one additional position is added that the first and last position in the "row" are in the same space position,
// but the first position has x texture coordinate 0, the last position has x texture coordinate 1 - this shows the whole texture nicely around the sphere.
// If texture coordinates are not needed, than we do not need to define more than one upper and bottom positions,
// and also do not need to add another position to the row.
// Optimized sphere can be created only with SphereMesh3D object (not with SphereVisual3D)
Ab3d.Meshes.SphereMesh3D sphere3 = new Ab3d.Meshes.SphereMesh3D(new Point3D(0, 0, 0), 80, 12, false); // false: generateTextureCoordinates
_rootMesh = sphere3.Geometry;
break;
case 3:
Ab3d.Meshes.BoxMesh3D box = new Ab3d.Meshes.BoxMesh3D(new Point3D(0, 0, 0), new Size3D(130, 60, 100), 1, 1, 1);
_rootMesh = box.Geometry;
break;
case 4:
Ab3d.Meshes.BoxMesh3D box2 = new Ab3d.Meshes.BoxMesh3D(new Point3D(0, 0, 0), new Size3D(130, 60, 100), 4, 4, 4);
_rootMesh = box2.Geometry;
break;
case 5:
Ab3d.Meshes.CylinderMesh3D cylinder = new Ab3d.Meshes.CylinderMesh3D(new Point3D(0, -50, 0), 60, 100, 12, true);
_rootMesh = cylinder.Geometry;
break;
case 6:
Ab3d.Meshes.ConeMesh3D cone = new Ab3d.Meshes.ConeMesh3D(new Point3D(0, -50, 0), 30, 60, 100, 12, true);
_rootMesh = cone.Geometry;
break;
case 7:
Ab3d.Meshes.ConeMesh3D cone2 = new Ab3d.Meshes.ConeMesh3D(new Point3D(0, -50, 0), 30, 60, 100, 6, false);
_rootMesh = cone2.Geometry;
break;
case 8:
var readerObj = new Ab3d.ReaderObj();
var teapotModel = readerObj.ReadModel3D(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources\ObjFiles\Teapot.obj")) as GeometryModel3D;
if (teapotModel == null)
{
return;
}
// Get the teapot MeshGeometry3D
_rootMesh = (MeshGeometry3D)teapotModel.Geometry;
break;
case 9:
var line = new Ab3d.Visuals.LineVisual3D()
{
StartPosition = new Point3D(0, 0, 0),
EndPosition = new Point3D(100, 0, 0),
LineColor = Colors.Silver,
LineThickness = 20
};
Show3DLines(line);
show3DLine = true;
break;
case 10:
var polyLineVisual3D = new Ab3d.Visuals.PolyLineVisual3D()
{
Positions = new Point3DCollection(new Point3D[] { new Point3D(-75, 50, 0), new Point3D(-25, 0, 0), new Point3D(25, 50, 0), new Point3D(75, 0, 0) }),
LineThickness = 20
};
Show3DLines(polyLineVisual3D);
show3DLine = true;
break;
case 11:
// This is the same line as in the previous sample (PolyLineVisual3D), but this time
// it is created as diconnected list of lines - note that this requires that the positions are duplicated.
var multiLineVisual3D = new Ab3d.Visuals.MultiLineVisual3D()
{
Positions = new Point3DCollection(new Point3D[] { new Point3D(-75, 50, 0), new Point3D(-25, 0, 0),
new Point3D(-25, 0, 0), new Point3D(25, 50, 0),
new Point3D(25, 50, 0), new Point3D(75, 0, 0) }),
LineThickness = 20
};
Show3DLines(multiLineVisual3D);
show3DLine = true;
break;
default:
_rootMesh = null;
break;
}
// If we were looking at 3D lines before and now we are looking an standard 3D models,
// we adjust the camera back to the side view (from direct front view)
if (_isShowing3DLines && !show3DLine)
{
Camera1.Heading = 30;
Camera1.Attitude = -20;
Camera1.Distance = 300;
}
_isShowing3DLines = show3DLine;
_rootModel = new GeometryModel3D();
_rootModel.Geometry = _rootMesh;
_rootModel.Material = new DiffuseMaterial(Brushes.DarkBlue);
ObjectModelVisual.Content = _rootModel;
Ab3d.Utilities.ModelEventSource3D modelEventSource = new Ab3d.Utilities.ModelEventSource3D();
modelEventSource.TargetModel3D = _rootModel;
modelEventSource.MouseClick += new Ab3d.Common.EventManager3D.MouseButton3DEventHandler(modelEventSource_MouseClick);
_eventsManager.ResetEventSources3D();
_eventsManager.RegisterEventSource3D(modelEventSource);
MainViewport.Cursor = Cursors.Hand;
}