static void _Create(IContextState context, IEnumerable <IFileGeometry3D> meshes,
FileInfo texture, string name, LoadedVisualObject visual)
{
List <ElementTag> t = new List <ElementTag>();
var details = new LoadedObjectDetails();
var baseTag = ElementTag.New();
var index = 0;
AxisAlignedBox fullBox = AxisAlignedBox.Zero;
foreach (var geo in meshes)
{
var tag = Create(context, baseTag.WithPrefix(geo.Name ?? index.ToString()),
new GeometryStructures <IFileGeometry3D>(geo), texture, out var box);
t.Add(tag);
fullBox = fullBox.Merge(box.Bounds);
details.VertexCount += geo.Positions.Count;
details.TriangleCount += (geo.Indices.Count / 3);
index++;
}
visual.tags.AddRange(t);
visual.Details = details;
var size = fullBox.Size();
visual.worldX = VisualPolylineObject.Create(context, baseTag.WithPrefix("WorldX"),
new[] { Vector3.Zero + Vector3.UnitX * size.X * -2f, Vector3.Zero + Vector3.UnitX * size.X * 2f }, V4Colors.Red, false);
visual.worldX.IsVisible = false;
visual.worldY = VisualPolylineObject.Create(context, baseTag.WithPrefix("WorldY"),
new[] { Vector3.Zero + Vector3.UnitY * size.Y * -2f, Vector3.Zero + Vector3.UnitY * size.Y * 2f }, V4Colors.Green, false);
visual.worldY.IsVisible = false;
visual.worldZ = VisualPolylineObject.Create(context, baseTag.WithPrefix("WorldZ"),
new[] { Vector3.Zero + Vector3.UnitZ * size.Z * -2f, Vector3.Zero + Vector3.UnitZ * size.Z * 2f }, V4Colors.Blue, false);
visual.worldZ.IsVisible = false;
}
protected override void Executing(ISceneSnapshot snapshot)
{
var emanager = ContextState.GetEntityManager();
var world = emanager.GetEntity(snapshot.WorldTag);
if (!world.Contains <ZoomToAllCompponent>())
{
return;
}
var fullBox = new AxisAlignedBox();
foreach (var entity in emanager.GetEntities())
{
if (entity.TryGetComponents <GeometryBoundsComponent, TransformComponent, RenderableComponent>
(out var box, out var tr, out var renderable) && renderable.IsRenderable)
{
fullBox = fullBox.Merge(box.Bounds.Transform(tr.MatrixWorld));
}
}
var surface = snapshot.Surface.Size;
var aspectRatio = surface.Width / surface.Height;
var size = fullBox.Size();
var camera = ContextState.GetEntityManager().GetEntity(snapshot.CurrentCameraTag);
var com = OrthographicCameraComponent.Clone(camera.GetComponent <OrthographicCameraComponent>());
var move = Math.Max(Math.Abs(com.LookDirection.X * size.X),
Math.Max(Math.Abs(com.LookDirection.Y * size.Y), Math.Abs(com.LookDirection.Z * size.Z)));
com.Position = fullBox.Center + com.LookDirection * -move * 10;
com.RotatePoint = fullBox.Center;
com.Width = Math.Max(size.X, Math.Max(size.Y, size.Z)) * aspectRatio;
com.Scale = 1;
camera.UpdateComponent(com);
world.RemoveComponent <ZoomToAllCompponent>();
}
