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turtle_heartv3.py

# inspired by https://www.dwitter.net/d/28950
from turtle import *
bgcolor(0,0,0), setup(500,500)
hideturtle(), tracer(0), penup()

from math import sin, cos
from time import perf_counter
def _Oneo_Kuu():
    update(), clear()
    t = perf_counter()
    for i in range(400):
        if cos(i)<0: continue
        a = t-sin(t*2+sin(t)+i**2)
        a = sin(a+sin(a)) + 1
        X = (350-200*sin(a))*cos(i)*sin(2+i/2+0)
        Y = (350-200*sin(a))*sin(i+0.7**cos(i)**0.05)
        color = (1,0,sin(i+t+sin(t/2))/3+1/3)
        goto(X, Y-30)
        dot(30+9*sin(X/50+t*5), color)
    ontimer(_Oneo_Kuu, 10)
_Oneo_Kuu()
mainloop()