// Angle of rotation around sun and planets
float theta = 0;

int maxElements = 20;
int numElements = 0;

int rad[] = new int[maxElements];
color colors[] = new color[maxElements];
float rotCo[] = new float[maxElements];
float distance[] = new float[maxElements];

void setup() {
  size(500,500);
  smooth();
  background(0);
  
  for (int i = 0; i < 5; i++)
  {
    rad[i] = int(random(10)) + 1;
    distance[i] = random(100);
    colors[i] = color(random(255), random(255), random(255));
    rotCo[i] = random(50)/10;
    numElements++;
  }
}

void draw() {
  background(0);
  noStroke();
  
  // Translate to center of window
  translate(width/2,height/2);
  pushMatrix();
  
  for (int i = 0; i < numElements; i++)
  {
    pushMatrix();
    rotate(theta*rotCo[i]);
    translate(distance[i],0);
    fill(colors[i]);
    ellipse(0,0,rad[i],rad[i]);
    popMatrix();
  }
  
  theta += 0.01;
}