private void DrawBody(BodyModel model)
{
if (model == null)
{
throw new ArgumentException();
}
var geometry = new MeshGeometry3D();
_meshService.Reset();
_meshService.Xs = model.X;
_meshService.Ys = model.Y;
_meshService.Z1s = model.UpperZ;
_meshService.Z2s = model.LowerZ;
geometry.Positions = (Point3DCollection) new Point3DCollectionConverter().ConvertFromString(_meshService.CalculatePositions());
var triangleIndices = _meshService.CalculateTriangleIndices();
for (var i = 0; i < triangleIndices.Count(); i++)
{
geometry.TriangleIndices.Add(triangleIndices[i]);
}
GeometryGroup.Add(new GeometryModel3D
{
Geometry = geometry,
Material = new DiffuseMaterial(Brushes.PaleVioletRed)
});
Volume = _meshService.Volume();
OnPropertyChanged(nameof(GeometryGroup));
}
public OilBodyViewModel(IThreeDimensionsMeshService meshService, IEventAggregator eventAggregator)
{
// inject services
_meshService = meshService;
eventAggregator.GetEvent <RequestBodyDrawEvent>().Subscribe(DrawBody);
// add light to the geometry
GeometryGroup.Add(new DirectionalLight {
Direction = new Vector3D(-1, -1, -1)
});
GeometryGroup.Add(new DirectionalLight {
Direction = new Vector3D(-1, -1, 1)
});
// initialize converters list
foreach (var unitValue in Enum.GetValues(typeof(VolumeUnits)))
{
var unit = (VolumeUnits)unitValue;
UnitsList.Add(unit, unit.ToString());
}
}