functions.pde

public float tanh(float x_) {
  x_ *= 1e-2;
  return (exp(x_)-exp(-x_))/(exp(x_)+exp(-x_));
}

public float sat(float val_, float min_, float max_) {
  if (val_>max_) {
    val_ = max_;
  } else if (val_<min_) {
    val_ = min_;
  }
  return val_;
}

void time() {
  time = dt*(float(frameCount)-float(startFrame));
  fill(0, 50, 155);
  textFont(f, 20);
  text("t: " + nf(time, 4, 2) + " s", width-320, 40);
}

void fps() {
  fcount += 1;
  int m = millis();
  if (m - lastm > 1000 * fint) {
    frate = float(fcount) / fint;
    fcount = 0;
    lastm = m;
  }
  fill(0, 50, 155);
  textFont(f, 20);
  text("FPS: " + frate, width-150, 40);
}

void keyReleased() {
  if (key=='r' || key == 'R') {
    swarmsystem.Init();
  }
}

float sign(float a1) {
  if (a1==0) return 0;
  if (a1<0) return -1;
  if (a1>0) return 1;
  return 0;
}

float percentDiscovered(){
    // float discoveredPercent = 0;
  int   discoveredCells   = 0;
  int   totalCells        = 0;
  for (int x = 3*icellPerMeter; x < (width/cellSize)-3*icellPerMeter; x++) {
    for (int y = 3*icellPerMeter; y < (height/cellSize)-3*icellPerMeter; y++) {
      int i = y*(width/cellSize) + x;
      Cell currentCell = cells.get(i);
      if(currentCell.probability>0.8 || currentCell.probability<0.2){
        discoveredCells += 1;
      }
      totalCells += 1;
    }
  }

  // for ( int i = 0; i<((width/cellSize)*(height/cellSize)); i++) {
  //   Cell currentCell = cells.get(i);
  //   if(currentCell.probability>0.8 || currentCell.probability<0.2){
  //     discoveredCells += 1;
  //   }
  // }
  // println(discoveredCells);
  // println(discoveredCells/(150000));
  return float(discoveredCells*100)/float(totalCells);

}