pip install pyzview

from pyzview import Pyzview

import numpy as np

zv = Pyzview()

n = 400

pts = np.ones((n,6))*np.nan

zv.remove_shape(-1)

i=0

while True:

    pts[i%n]=np.cos(np.array([15,13,11,7,2,1])*i*0.005/np.pi)**2

    i=i+1
    
    k = zv.add_points("demo", pts) if 'k' not in locals() else zv.update_points(k, pts)