Waves.pde

class Waves extends Routine {
  
  int NUMBER_OF_WAVES = 4;
  Wave[] waves;

  void setup(PApplet parent) {
    super.setup(parent);
    if (NUMBER_OF_WAVES > 0) {
      waves = new Wave[NUMBER_OF_WAVES];
      for (int i=0; i<NUMBER_OF_WAVES; i++) {
        waves[i] = new Wave();
      }
    }
  }
  
  void draw() {
    draw.background(0);
    for (int i=0; i<NUMBER_OF_WAVES; i++) {
      waves[i].draw();
    }
  
    long frame = frameCount - modeFrameStart;
    if (frame > frameRate*Config.MODE_TIMEOUT) {
      for (int i=0; i<NUMBER_OF_WAVES; i++) {
        waves[i].init();
      }
  
      newMode();
    }
  }
}


class Wave {
  private float a;
  private float f;
  private float r;
  private int y;
  private boolean t;
  private float s;

  PGraphics g;

  color c;

  public Wave() {
    init();

    g = createGraphics(Config.WIDTH, Config.HEIGHT);
  }

  public void init() {
    r = random(TWO_PI);
    f = 2*PI/40;
    a = Config.HEIGHT/6 + random(Config.HEIGHT/4);
    y = Config.HEIGHT/16 + int(random(Config.HEIGHT - Config.HEIGHT/16));
    s = PI/256 + random(PI/32);

    if (random(10)<5) { 
      s = -s;
    }
    
    c = color(random(255), random(255), random(255));
    // naim hack (PORNJ Pink: RGB 252/23/218)
//    if(random(0,2) > 1) {
//      // pink
//      c = color(int(random(220,255)), int(random(0,55)), int(random(210,230)));
//    }
//    else {
//      // orange
//      c = color(int(random(230,255)), int(random(160,180)), int(random(0,1)));
//    }
//    //c = color(int(random(255)), int(random(255)), int(random(255)));
  }

  public void draw() {
    float step;
    float h;

    r = r + s;
    if (r > TWO_PI) r = r - TWO_PI;

    step = r;

    g.beginDraw();
    g.background(0);
    
    float bright_mult = .5 + (1+sin(step))/4;
    
    g.stroke(color(red(c)*bright_mult, green(c)*bright_mult, blue(c)*bright_mult));

    for (int x=0; x<Config.WIDTH; x++) {
      h = sin(step) * a;
      step = step + f;          
      g.line(x, y+h*.1, x, y+h*random(1,1.2));
    }

    g.endDraw();

    draw.blend(g, 0, 0, Config.WIDTH, Config.HEIGHT, 0, 0, Config.WIDTH, Config.HEIGHT, SCREEN);
  }
}