ecstasy_redux

ArrayList<Node> nodes = new ArrayList<Node>();

float colsize;

​

float t = 0;

float spd = 0;

​

void setup() {

  rectMode(CENTER);

  colorMode(HSB);

  size(500, 500);  

  colsize = width / 20;

  for (float x = colsize; x < width; x+=colsize) {

    for (float y = colsize/2; y < height; y+=colsize) {

      nodes.add(new Node(x, y, colsize/2));

    }

  }

  background(0);

}

​

void draw() {

  for (Node n : nodes) {

    n.run();

  }

  t += .001;//map(mouseX, 0, width, 0, .1);

  // map(mouseY, 0, height, 0, 100)

  spd = abs(sin(t) * 40) + 1;

}

​

​

class Node {

  float r;

  PVector loc, hsb, hsb_vel;

  float speed;

  color c;

​

  Node(float x, float y, float _r) {

    loc = new PVector(x, y);

    r = _r;

    speed = 1;

    c = color(255);

    hsb = new PVector(random(255), 0, 255);

    hsb_vel = new PVector(0, random(.001, 10), 0);

  }

​

  void run() {

    update();

    display();

  }

​

  void display() {

    fill(hsb.x, hsb.y, hsb.z, 200);

    noStroke();

    rect(loc.x + random(-speed, speed), loc.y, r * .8, r * 1.8);

  }

​

  void update() {

    speed = spd;

    hsb.add(hsb_vel);

    if (hsb.y > 255 || hsb.y < 0) {

     hsb_vel.y = hsb_vel.y * -1;

    }

  }

}

​

​

​