sketch = p => {
p.setup = () => {
p.createCanvas(width, 600)
p.noStroke()
p.noLoop()
};
p.draw = () => {
drawCircle(width/2, 280, 6)
}
function drawCircle(x, radius, level) {
p.fill(`rgba(255, ${level*30}, 0, ${0.1})`)
p.ellipse(x, p.height/2, radius*2, radius*2)
if(level > 1) {
level = level - 1
drawCircle(x - radius/2, radius/2, level)
drawCircle(x + radius/2, radius/2, level)
}
}
}