IHex shex = game.getBoard().getHex(ae.getPosition());
IHex thex = game.getBoard().getHex(t.getPosition());
Point3d source = BoardModel.getHexLocation(ae.getPosition(), shex.surface()+ae.height());
source.z += BoardModel.HEX_HEIGHT/2;
Point3d target = BoardModel.getHexLocation(t.getPosition(), thex.surface()+t.getHeight());
target.z += BoardModel.HEX_HEIGHT/2;
setCapability(ALLOW_DETACH);
setUserData(aa);