Keith

int fc, num = 3000;

ArrayList ballCollection; 

//boolean save = false;

float scal, theta;

PGraphics letter;

PFont font;

String l = "KEITH"; 

​

void setup() {

  background(20);

  //size(900, 500);

  fullScreen();

  FSize = height/2;

  letter = createGraphics(width, height);

  font = loadFont("Arial-Black-25.vlw");

  ballCollection = new ArrayList();

  createStuff();

  frameRate(24);

​

}

​

void draw() {

  background(20);

​

  for (int i=0; i<ballCollection.size (); i++) {

    Ball mb = (Ball) ballCollection.get(i);

    mb.run();

  }  

​

  //theta += .0523;

  theta += .07;

​

  //if (save) {

  //if (frameCount%1==0 && frameCount < fc + 30) saveFrame("image-####.gif");

  //}

}

​

void keyPressed() {

  if (key != CODED) l = str(key);

  l = l.toUpperCase();

  createStuff();

}

​

//void mouseReleased() {

  //createStuff();

  //fc = frameCount;

  //save = true;

  //saveFrame("image-###.gif");

//}

​

void createStuff() {

  ballCollection.clear();

  letter.beginDraw();

  letter.noStroke();

  letter.background(255);

  letter.fill(0);

  letter.textFont(font, FSize);

  letter.textAlign(CENTER);

  letter.text(l, width/2, height/2+FSize/4);

  letter.endDraw();

  letter.loadPixels();

​

  for (int i=0; i<num; i++) {

    int x = (int)random(width);

    int y = (int)random(height);

    color c = letter.get(x, y);

    int c = letter.pixels[x+y*width];

    if (brightness(c)<255) {

      PVector org = new PVector(x, y);

      float radius = random(5, 10);

      PVector loc = new PVector(org.x+radius, org.y);

      float offSet = random(TWO_PI);

      int dir = 1;

      float r = random(1);

      if (r>.5) dir =-1;

      Ball myBall = new Ball(org, loc, radius, dir, offSet);

      ballCollection.add(myBall);

    }

  }

}

class Ball {

​

  PVector org, loc;

  float sz = 2;

  float radius, offSet, a;

  //int s, dir, countC, d = 20;

    int s, dir, countC, d = 35;                                 //distance lines

  boolean[] connection = new boolean[num];

​

  Ball(PVector _org, PVector _loc, float _radius, int _dir, float _offSet) {

    org = _org;

    loc = _loc;

    radius = _radius;

    dir = _dir;

    offSet = _offSet;

  }

​

  void run() {

    display();

    move();

    lineBetween();

  }

​

  void move() {

    loc.x = org.x + sin(theta*dir+offSet)*radius;

    loc.y = org.y + cos(theta*dir+offSet)*radius;

  }

​

  void lineBetween() {

    countC = 1;

    for (int i=0; i<ballCollection.size(); i++) {

      Ball other = (Ball) ballCollection.get(i);

      float distance = loc.dist(other.loc);

      if (distance >0 && distance < d) {

        a = map(countC,0,10,10,255);

        stroke(255, a);

        line(loc.x, loc.y, other.loc.x, other.loc.y);

        connection[i] = true;

      } 

      else {

        connection[i] = false;

      }

    }

    for (int i=0; i<ballCollection.size(); i++) {

      if (connection[i]) countC++;

    }

  }

​

  void display() {

    noStroke();

    fill(0,255,255);

    ellipse(loc.x, loc.y, sz, sz);

  }

}