/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.mSeeKM737Oe/rev.801
 * 
 * authors: 
 *   The Serendipitous Cacophonies

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// This sketch builds on a prior work, "Modified clone of 'Multiples'", created by The Serendipitous Cacophonies
// http://studio.sketchpad.cc/sp/pad/view/ro.91QE$ex8fptVL/rev.40



// This sketch builds on a prior work, "Multiples", created by Keith O'Hara
// http://studio.sketchpad.cc/sp/pad/view/ro.9DxhvE$vqW7Bm/rev.2




// Keith O'Hara <[email protected]>
// Mar 2012

void setup()
{
  size(400, 300);
  background(128);
  smooth();
}

void draw() {
  randomSeed(5);
  fill(128, map(mouseX, 0, width, 255, 0));
  rect(-1, -1, width, height);
  float r = 10;

  delta = 100
  for (int x = delta/2; x < width; x += delta/2) {
    for (int y =delta/2; y < height; y += delta/2) {
      pushMatrix();
      translate(x, y);
      noStroke();
      angle = radians(random(map(mouseY, 0, height, -10, 10)*frameCount)) % TWO_PI;
      rotate(angle);
      stroke(126, 0, 0);
      line(0, -1.5*(r+angle), 1.5*(r+angle), 0);
      line(1.5*(r+angle), 0, 0, 1.5*(r+angle));
      line(0, 1.5*(r+angle), -1.5*(r+angle), 0);
      line(-1.5*(r+angle), 0, 0, -1.5*(r+angle));
      fill(255);
      r2 = random(5)
      ellipse(0, -1.5*(r+angle), r+angle, r+angle);
      fill(0);
      ellipse(0, 1.5*(r+angle), r+angle, r+angle);
      fill(255, 0, 0);
      ellipse(-1.5*(r+angle), 0, r+angle, r+angle);
      fill(0, 0, 255);
      ellipse(1.5*(r+angle), 0, r+angle, r+angle);
      popMatrix();
    }
  }
}