def distance(self, other_touch):
        return Vector(self.pos).distance(other_touch.pos)
.. todo::
dataset/ETHPy150Open kivy/kivy/kivy/input/motionevent.py/MotionEvent.distance--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/dbm/dbm.py/DBM.get_input_space