import turtle
import math
import colorsys

screen = turtle.Screen()
screen.bgcolor("black")

t = turtle.Turtle()
t.speed(0)
t.width(2)
turtle.colormode(1)

def heart(t_param, scale=15):
    x = 16 * (math.sin(t_param))**3
    y = (13 * math.cos(t_param)
         - 5 * math.cos(2*t_param)
         - 2 * math.cos(3*t_param)
         - math.cos(4*t_param))
    return x * scale, y * scale

points = []
steps = 200

for i in range(steps):
    t_param = i * (2 * math.pi / steps)
    points.append(heart(t_param))

h = 0

for (x, y) in points:
    t.penup()
    t.goto(0, 0)
    t.pendown()
    
    color = colorsys.hsv_to_rgb(h, 1, 1)
    t.pencolor(color)
    h += 0.01
    
    t.goto(x, y)
    t.penup()
    t.goto(x, y)
    t.dot(10)
    
turtle.done()