def init():
    line[0].set_data([], [])
    line[1].set_data([], [])
    line[2].set_data([], [])
    line[3].set_data([], [])
    return line[0], line[1], line[2], line[3]


# %%
def animate(i, pplotted):
    Pot = GenPwr[pplotted: pplotted + i]
    t_pot = Time[pplotted:pplotted + i]
    RotSp = RotSpeed[pplotted:pplotted + i]
    RotTh = RotThrust[pplotted:pplotted + i]
    WindV = WindVel[pplotted:pplotted + i]

    # ___________GENPWR___________#
    ax1.text(max(Time) / 10, 1500, "GenPwr (kW)=" + str(GenPwr[pplotted + i]), fontsize=8)
    ax1.set_xlabel("Time (s)").set_size(tittle_axes_size)
    ax1.grid(True, axis="y")

    # ___________ROTSPEED___________#
    ax2.text(
        max(Time) / 10,
        max(RotSpeed) / 13,
        "RotSpeed (rpm)=" + str(RotSpeed[pplotted + i]),
        fontsize=8,
    )
    ax2.set_xlabel("Time (s)").set_size(tittle_axes_size)
    ax2.grid(True, axis="y")

    # ___________ROTTHRUST___________#
    ax3.text(
        max(Time) / 10,
        max(RotThrust) / 10,
        "RotThrust (kW)=" + str(RotThrust[pplotted + i]),
        fontsize=8,
    )
    ax3.set_xlabel("Time (s)").set_size(tittle_axes_size)
    ax3.grid(True, axis="y")

    # ___________WINDVEL___________#
    ax4.text(
        max(Time) / 10, 1, "WindVel (m/s)=" + str(round(WindVel[pplotted + i], 2)), fontsize=8
    )
    ax4.set_xlabel("Time (s)").set_size(tittle_axes_size)
    ax4.grid(True, axis="y")

    line[0].set_data(t_pot, Pot)
    line[1].set_data(t_pot, RotSp)
    line[2].set_data(t_pot, RotTh)
    line[3].set_data(t_pot, WindV)

    return line[0], line[1], line[2], line[3]

fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(2, 2, sharex=True)
plt.tight_layout()
camera = Camera(fig)

line1, = ax1.plot([], [], lw=1, animated=True)
line2, = ax2.plot([], [], lw=1, color="r", animated=True)
line3, = ax3.plot([], [], lw=1, color="c", animated=True)
line4, = ax4.plot([], [], lw=1, color="m", animated=True)
line = [line1, line2, line3, line4]

Pot = []
RotSp = []
RotTh = []
WindV = []
t_pot = []

dataPointsNumber = len(Time)
shards = int(dataPointsNumber / 400)

for shardN in range(1, shards + 1):
    pplotted = (400 * (shardN - 1))

    anim = animation.FuncAnimation(
        fig,
        animate,
        frames=400,
        init_func=init,
        interval=10,
        blit=True,
        fargs=[pplotted],
        cache_frame_data=False,
    )
    plt.show()

    writer = animation.writers["ffmpeg"](fps=240)
    anim.save("animation_shard_%s.mp4" %shardN, writer=writer, dpi=200)
    plt.close()