Five Circles Theorem

let t1=0
let points = []

function setup() {
	theSizeThatFits = min(windowWidth, windowHeight)*0.9
	theCanvasThatIsFilled=createCanvas(theSizeThatFits, theSizeThatFits);
	background(20,70,80);
	strokeWeight(0.5);
	describe("5 circles around a circle with a star form from lines connecting intersection the scalled into the center and spun to make a spiral")
	stroke(200,240,255)
	noFill()
	d = random(width/4, width/2.5)
	a1 = PI*2/5
	d2 = d/2*(sqrt(5)-1)
	for(let i = 0;i<5;i++){
		a = i*PI/2.5

		points[i]=createVector(d/2*cos(a+PI/5),d/2*sin(a+PI/5))
	}
	
}
function draw() {
	background(20,70,80,150);
	t1=2*PI*sin(frameCount/10000);
	translate(width/2,height/2)
	for(let j = 0;j<10;j++){
		scale(1-j/11)
		rotate(t1)
	
	circle(0,0,d)
	for(let i = 0;i<5;i++){
		a = i*PI/2.5
		circle(d/2*cos(a),d/2*sin(a),d2)
		circle(d/2*cos(a+PI/5),d/2*sin(a+PI/5),4)
		lineThrough(points[i].x,points[i].y,points[(i+1)%5].x,points[(i+1)%5].y)
	}
	lineThrough(points[0].x,points[0].y,points[1].x,points[1].y)
	}
}
function keyPressed(){
	if(keyCode===83){
		save(theCanvasThatIsFilled,"five","png")
	}
}

function lineThrough(x1, y1, x2, y2) {
  const dx = x2 - x1, dy = y2 - y1;
  const k = (width + height) /dist(x1,y1,x2,y2);
  line(x1 - dx * k, y1 - dy * k, x1 + dx * k, y1 + dy * k);
}