# Tk_1D_Curvy_Waves.py

# Tk_1D_Curvy_Waves.py

'''
create curvy waves
'''

from tkinter import *
import PIL
import math
import random

ww = 1400
hh = 600

root=Tk()
root.geometry("%dx%d+-10+0"%(ww,hh))
canvas = Canvas(root,width=ww,height=hh,bg='black')
canvas.grid(row=0,column=0,sticky=N+S+E+W)

def oRGB(rgb):
    r,g,b = rgb
    return "#%02x%02x%02x" % (r,g,b)

def plot():
    canvas.create_line((x, 0, x, y), fill=color)

rgb = 255,255,0 # yellow
color = oRGB(rgb)
y = hh/2
amp = 10
vel = 0.0 # velocity
smoothness = 100.0

def init():
    global x, y, vel
    canvas.delete('all')
    ttt = []
    x = 0
    while x < ww:
        aim = max(amp*2,min(hh-amp*2,y+random.randint(-amp,amp)))
        ttt += [aim]
        for x2 in range(0,10):
            vel += (aim-y)/smoothness
            y += vel
            plot()

            x += 1
            if x > ww:
                break

    root.after(1000,init)

init()
root.mainloop()