class Split
{
  boolean alive = false;
  boolean captured = false;
  float posX ;
  float posY ;
  float side = 13;
  float velX = random(-1,1);
  float velY = random(-1,1);
  float bdifx ;
  float bdify ;
  float nextVelX ;
  float nextVelY ;
  float grav = 0.05;
  float bounce = 0.9;
  float energyX = 0;
  float energyY = 0;
  float R = 255;
  float G = 255;
  float B = 255;

  Split()
  {
    posX = random(width);
    posY = 10;
    //nextVelX = random(-1,1);
    //nextVelY = random(-1,1);
    //the_array = array;
    //my_element = element;
  }

  void draw()
  {
    if (alive){
      fill (R, G, B);
      ellipse(posX,posY,side,side);
      if (captured) {
        energyX *= 0.75;
        energyX +=mouseX-posX;
        posX = mouseX;
        energyY *= 0.9;
        energyY +=mouseY-posY;
        posY = mouseY;
      }
      else {
        // ball free to move
        posX += velX*4;
        posY += velY*4;
        velY += grav;

      }
      // stay in screen bounds
      if (posX > width-(side/2) || posX < (side/2)) {
        velX = -velX;
        this.R = (random(50,255));
        this.G = (random(50,255));
        this.B = (random(50,255));
      }
      if (posY > height-(side/2) || posY < (side/2)) {
        velY = -velY;
      }

      // decelerate slightly
      velX *= 0.99;
      velY *= 0.99;

    }
  }

  void mousePressed()
  {
    if (dist(posX,posY,mouseX,mouseY) < 10) {
      energyX = 0;
      energyY = 0;
      captured = true;
      //posX = bdifx-mouseX; 
      //posY = bdify-mouseY;
    }

    bdifx = mouseX-posX; 
    bdify = mouseY-posY;
  }

  void mouseReleased()
  {
    if (captured) {
      captured = false;
      velX = energyX * 0.1;
      velY = energyY * 0.1;
      posX = mouseX-bdifx; 
      posY = mouseY-bdify;
    }
  }
}