def __init__(self, screen, x, y, life_time, on_each=None):
        """
        :param screen: The Screen being used for this particle system.
        :param x: The column (x coordinate) for the origin of this explosion.
        :param y: The line (y coordinate) for the origin of this explosion.
        :param life_time: The life time of this explosion.
        :param on_each: The function to call to spawn a trail.
        """
        super(PalmExplosion, self).__init__(
            screen, x, y, 6, self._new_particle, 2, life_time)
        self._colour = randint(1, 7)
        self._on_each = on_each
        self._arc_start = uniform(pi / 6, pi / 3)
        self._arc_end = self._arc_start + uniform(pi / 6, pi / 2)
dataset/ETHPy150Open peterbrittain/asciimatics/asciimatics/particles.py/PalmExplosion.__init__/original