ArrayList<PVector> circles = new ArrayList<PVector>();
float radious1 = 200, radious2 = 75;
void setup(){
size(500, 500);
smooth();
frameRate(24);
background(0);
circles.add(new PVector(75, 75));
circles.add(new PVector(-75, 75));
circles.add(new PVector(75, -75));
circles.add(new PVector(-75, -75));
}
void draw(){
noStroke();
fill(0, 100);
rect(-1, -1, width + 1, height + 1);
stroke(0, 139, 139, 200);
strokeWeight(1);
translate(width/2, height/2);
for(int angle = 0; angle < 360; angle+=5){
float radian1 = radians(angle);
float radian2 = radian1 + frameCount * 0.1;
for(PVector circle: circles){
line(radious1 * cos(radian1), radious1 * sin(radian1),
circle.x + radious2 * cos(radian2), circle.y + radious2 * sin(radian2));
}
}
}