【Processing】 5 x 5 小球隨機顏色閃爍

int r, g, b;
int x = 20;
int y = 20;
int t;
int k = 0;
int i = 0;
void setup() {
  size(300, 300);
  smooth();
  background(255);
  noStroke();
}
void draw()
{
  for (k = (int)random(5); k < 5; k++)
  {
    for (i = (int)random(5); i < 5; i++)
    {
      r = (int)random(255);
      g = (int)random(255);
      b = (int)random(255);
      fill(r, g, b);
      ellipse(x, y, 25, 25);
      x += 30;
    }
    x = 20;
    y += 30;
  }
  x = 20;
  y = 20;
  t = (int)random(100, 1000);
  delay(t);
}