Chance

String[] character = {"C","H","A","N","C","E"};

int tSize = 72;

​

ArrayList<Chara> charas = new ArrayList<Chara>();

int charaLim = character.length;

//int charaLim = 50;

int randoChara;

​

float spring = 0.1;

float gravity = 0.01;

float friction = -0.9;

int charaCounter;

boolean showLetters = true;

​

void setup() {

  size(1000, 600);

  textSize(tSize);

  textAlign(CENTER);

  for (int i=1; i<charaLim+1; i++) {

    randoChara = i-1;

    charas.add(new Chara(i, randoChara, width/(charaLim+1)*i, random(height/2), tSize));

  }

}

​

void draw() {

  background(0);

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

    Chara chara = charas.get(i);

    chara.collide();

    chara.move();

    chara.display();

  }

  if (mousePressed) {

    //addOne();

  }

  for (int i = charas.size(); i > 0; i--) {

    if (charas.size() > charaLim*2) {

      //deleteOne(1);

    }

  }

  //saveFrame("images0/######.tif");

}

​

void mousePressed() {

  addOne();

}

void addOne() {

  //randoChara = int(random(0, charaLim));

  //for (int i=1; i<charaLim+1; i++) {

  //  randoChara = charas.size()%i;

  //}

  if (charaCounter>=charaLim) {

    charaCounter=0;

  }

  charas.add(new Chara(charas.size()+1, charaCounter, mouseX, mouseY, tSize));

  charaCounter++;

}

void deleteOne(int delid) {

  charas.remove(delid-1);

  for (int i = delid-1; i<charas.size(); i++) {

    Chara chara = charas.get(i);

    chara.reOrder();

    //println("removed one, total number: " + charas.size());

  }

}

​

void keyPressed(){

  if (key == ' '){

    showLetters = !showLetters;

  }

}

​

class Chara {

  int id;

  int whichChara;

  float x, y;

  float diameter;

  float vx = random(-0.01);

  float vy = random(0.01);

  float xx = random (0, 500);

  float xS;

  int offSet = 250;

  float r;

  float rd = 1;

​

  Chara(int idint, int randoChara, float xin, float yin, float din) {

    id = idint; 

    whichChara = randoChara;

    x = xin;

    y = yin;

    diameter = din;

    r = random(width/4, width/2);

  }

​

  void collide() {

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

      Chara others = charas.get(i);

      if (others != this) {

        if (id == others.id+1) {

          //line(x, y, others.x, others.y);

        }        

        float dx = others.x - x;

        float dy = others.y - y;

        float distance = sqrt(dx*dx + dy*dy);

        float minDist = others.diameter/4 + diameter/4;

        if (distance < minDist*8) { 

          line(x, y, others.x, others.y);

        }

        if (distance < minDist) { 

          float angle = atan2(dy, dx);

          float targetX = x + cos(angle) * minDist;

          float targetY = y + sin(angle) * minDist;

          float ax = (targetX - others.x) * spring;

          float ay = (targetY - others.y) * spring;

          vx -= ax;

          vy -= ay;

          others.vx += ax;

          others.vy += ay;

        }

      } else {

        fill(255);

      }

    }

  }  

  void move() {

    vy += gravity;

    x += vx;

    y += vy;

    if (x + diameter/2 > width) {

      x = width - diameter/2;

      vx *= friction;

    } else if (x - diameter/2 < 0) {

      x = diameter/2;

      vx *= friction;

    }

    if (y + diameter/2 > height) {

      y = height - diameter/2;

      vy *= friction;

    } else if (y - diameter/2 < 0) {

      y = diameter/2;

      vy *= friction;

    }

  } 

​

  void display() {

    //fill(0);

    if (showLetters) {

      text(character[int(whichChara)], x, y+diameter/3);

    }

    stroke(255);

    strokeWeight(4);

    //ellipse(x, y, diameter, diameter);

  }

  void reOrder() {

    id-=1;

  }

}