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turtle_heartv2.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
        X = sin(2-0.4*sin(4*t+sin(4*t))**4+i/2)
        X = (200+10*cos(t-sin(4*t)))*cos(i)*X
        Y = sin(i + 0.7**cos(i)**0.05)
        Y = (200+10*sin(t-sin(4*t)))*Y-30
        color = (sin(i+t+sin(t/2))/3+1/3,1,0)
        goto(X, Y)
        dot(30+3*sin(X/20+t*5), color)
    ontimer(_Oneo_Kuu, 10)
_Oneo_Kuu()
mainloop()