noisemandalas.pde

float f;
float step_i = 0.05;
float step_j = 0.05;
boolean savegif;
int nd = 6;

void setup() {
  //size(851, 315);
  size(1200, 800);
  colorMode(HSB);
}

void draw() {
  noiseDetail(nd);
  translate(width/2, height/2);
  loadPixels();
  for (int i=-height/2; i<height/2; i++){
    for (int j=-width/2; j<width/2; j++){
      pixels[(i+height/2)*width+(j+width/2)] = color(map(noise((step_i*i), (step_j*j), f), 0, 1, 0, 255)); //,255,255);
    }
  }
  updatePixels();
  if (savegif) {
    saveFrame("frame_" + frameCount + ".jpg");
  }
  f+=0.02;
}

void keyPressed() {
  if (key == '=') {
    step_i += 0.001;
    step_j += 0.001;
  } else if (key  == '-') {
    step_i -= 0.001;
    step_j -= 0.001;
  } else if (key == 'i') {
    step_i += 0.001;
  } else if (key  == 'k') {
    step_i -= 0.001;
  } else if (key == 'j') {
    step_j += 0.001;
  } else if (key  == 'm') {
    step_j -= 0.001;
  } else if(key == ' ') {
    saveFrame("pattern.jpg");
  } else if(key == 'g') {
    if (!savegif) {
      savegif = true;
    } else {
      savegif = false;
    }
  } else if(key == 'x') {
    nd++;
  } else if(key == 'z') {
    nd--;
  } else {
    noiseSeed((long)random(10000));
  }
}