from pyp5js import *


def setup():
    createCanvas(600, 600)
    noStroke()
    rectMode(CENTER)


def draw():
    colorMode(HSB, 100)
    h = map(mouseY, 0, 600, 0, 100)
    background(h, 100, 100)
    fill(100 - h, 100, 100)
    rect(300, 300, mouseX + 1, mouseX + 1)
