# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.

import numpy as np

from ...util import transforms
from ...util.quaternion import Quaternion
from ...visuals.transforms import MatrixTransform
from .perspective import Base3DRotationCamera

class ArcballCamera(Base3DRotationCamera):
    _state_props = ...

    def __init__(self, fov: float = 45.0, distance: None | float = None, translate_speed: float = 1.0, **kwargs): ...
    def _update_rotation(self, event): ...
    def _get_rotation_tr(self): ...
    def _dist_to_trans(self, dist): ...
    def _get_dim_vectors(self): ...

def _arcball(xy, wh): ...