private bool DrawBoxSelection()
{
if (viewModel.PreviousModelFactory == null)
{
return(false);
}
NPVoxModel previousTransformedModel = viewModel.PreviousModelFactory.GetProduct();
NPVoxToUnity npVoxToUnity = new NPVoxToUnity(previousTransformedModel, viewModel.Animation.MeshFactory.VoxelSize);
List <NPVoxBox> boxes = viewModel.GetNonEditableBoxes();
if (boxes != null)
{
foreach (NPVoxBox b in boxes)
{
NPVoxHandles.DrawBoxSelection(npVoxToUnity, b, false);
}
}
if (!viewModel.IsAreaSelectionActive())
{
return(false);
}
NPVoxBox box = viewModel.GetAffectedBox();
if (Event.current.shift)
{
// affected area picker
NPVoxCoord someCoord = box.RoundedCenter;
NPVoxCoord someNewCoord = NPVoxHandles.VoxelPicker(new NPVoxToUnity(previousTransformedModel, viewModel.Animation.MeshFactory.VoxelSize), someCoord, 0, ((NPVoxAnimationEditorSession)target).previewFilter.transform);
if (!someCoord.Equals(someNewCoord))
{
viewModel.ChangeAffectedBox(new NPVoxBox(someNewCoord, someNewCoord));
}
}
else
{
// affected area box
NPVoxBox newBox = NPVoxHandles.DrawBoxSelection(npVoxToUnity, box);
if (!newBox.Equals(box))
{
viewModel.ChangeAffectedBox(newBox);
}
}
return(true);
}
public static Bounds DrawBoundsSelection(Bounds previous, Vector3 cellOffset, float cellSize)
{
NPVoxToUnity npVoxToUnity = new NPVoxToUnity(null, Vector3.one * cellSize, cellOffset - Vector3.one * 0.5f * cellSize);
NPVoxBox previousBox = new NPVoxBox(
npVoxToUnity.ToVoxCoord(previous.min + Vector3.one * cellSize / 2),
npVoxToUnity.ToVoxCoord(previous.max - Vector3.one * cellSize / 2)
);
NPVoxBox newBox = NPVoxHandles.DrawBoxSelection(npVoxToUnity, previousBox, true);
if (!previousBox.Equals(newBox))
{
Bounds bounds = new Bounds(Vector3.zero, Vector3.zero);
bounds.SetMinMax(
npVoxToUnity.ToUnityPosition(newBox.LeftDownBack) - Vector3.one * cellSize / 2,
npVoxToUnity.ToUnityPosition(newBox.RightUpForward) + Vector3.one * cellSize / 2
);
return(bounds);
}
else
{
return(previous);
}
}