Koch-Like Fractal with Turmites Randomized

let timeSteps = 0;

let colorNum = 10;

let stateNum = 10;

let type = 0;

​

let antX, antY;

let antDir;

let antState = 0;

​

let stt; //State Transition Table array

​

let states;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  noFill();

  colorMode(HSB);

​

  antDir = PI;

  antX = width / 2;

  antY = width / 2;

  reset();

}

​

function draw() {

  for (let t = 0; t < 1000; t++) turmite();

}

​

function reset() {

  background(0, 0, 0);

  antX = width / 2;

  antY = height / 2;

  states = [];

  for (let x = 0; x < width; x++) {

    states[x] = [];

    for (let y = 0; y < height; y++) {

      states[x][y] = 0;

    }

  }

​

  stt = [];

  for (let x = 0; x < stateNum; x++) {

    stt[x] = [];

    for (let y = 0; y < colorNum; y++) {

      let turn = floor(random(5));

      if (turn != 0) turn = pow(2, turn - 1);

      stt[x][y] = createVector(floor(random(colorNum)), turn, floor(random(stateNum)));

    }

  }

​

  manual();

}

​

function turmite() {

  let currentColor = states[round(antX)][round(antY)];

  let writeColor = stt[antState][currentColor].x;

  let turn = stt[antState][currentColor].y;

  antState = stt[antState][currentColor].z;

  states[round(antX)][round(antY)] = writeColor;

​

  stroke(map(writeColor, 0, colorNum - 1, 0, 255), 255, 255);

  point(antX, antY);

​

  switch (turn) {

    case 1:

      break;

    case 2:

      antDir += HALF_PI;

      break;

    case 4:

      antDir += PI;

      break;

    case 8:

      antDir -= HALF_PI;

      break;

  }

​

  antX = round(antX + cos(antDir));

  antY = round(antY + sin(antDir));

​

  antX = (antX + width) % width;

  antY = (antY + height) % height;

  timeSteps++;

}

​

function manual() {

  //Use for 3-State Manual turmites:

​

  // stt[0][0] = createVector(1, 8, 1);

  // stt[0][1] = createVector(1, 2, 0);

  // stt[1][0] = createVector(1, 4, 1);

  // stt[1][1] = createVector(1, 4, 2);

  // stt[2][0] = createVector(0, 0, 0);

  // stt[2][1] = createVector(0, 4, 0);

​

  //Use for 2-State Manual Turmites

  // stt[0][0] = createVector(1, 2, 1);

  // stt[0][1] = createVector(0, 2, 1);

  // stt[1][0] = createVector(1, 1, 0);

  // stt[1][1] = createVector(1, 1, 1);

​

  // presets();

}

​

function presets() {

  switch (type) {

    case 0:

      colorNum = 2;

      stateNum = 2;

      createEmpty();

      stt[0][0] = createVector(1, 1, 1);

      stt[0][1] = createVector(1, 8, 0);

      stt[1][0] = createVector(1, 2, 1);

      stt[1][1] = createVector(0, 1, 0);

      break;

    case 1:

      colorNum = 2;

      stateNum = 2;

      createEmpty();

      stt[0][0] = createVector(1, 2, 1);

      stt[0][1] = createVector(0, 2, 1);

      stt[1][0] = createVector(1, 1, 0);

      stt[1][1] = createVector(1, 1, 1);

      break;

    case 2:

      colorNum = 2;

      stateNum = 2;

      createEmpty();

      stt[0][0] = createVector(1, 2, 1);

      stt[0][1] = createVector(1, 8, 1);

      stt[1][0] = createVector(1, 2, 1);

      stt[1][1] = createVector(0, 2, 0);

      break;

    case 3:

      colorNum = 2;

      stateNum = 2;

      createEmpty();

      stt[0][0] = createVector(1, 8, 0);

      stt[0][1] = createVector(1, 2, 1);

      stt[1][0] = createVector(0, 2, 0);

      stt[1][1] = createVector(0, 8, 1);

      break;

    case 4:

      colorNum = 2;

      stateNum = 2;

      createEmpty();

      stt[0][0] = createVector(1, 8, 1);

      stt[0][1] = createVector(1, 8, 1);

      stt[1][0] = createVector(1, 2, 1);

      stt[1][1] = createVector(0, 1, 0);

      break;

    case 5:

      colorNum = 2;

      stateNum = 3;

      createEmpty();

      stt[0][0] = createVector(1, 8, 1);

      stt[0][1] = createVector(1, 2, 0);

      stt[1][0] = createVector(1, 4, 1);

      stt[1][1] = createVector(1, 4, 2);

      stt[2][0] = createVector(0, 0, 0);

      stt[2][1] = createVector(0, 4, 0);

      break;

  }

}

​

function createEmpty() {

  stt = [];

  for (let x = 0; x < stateNum; x++) {

    stt[x] = [];

    for (let y = 0; y < colorNum; y++) {

      stt[x][y] = 0;

    }

  }

}

​

function keyPressed() {

  if (key == '`') {

    save("pic.png");

  } else if (keyCode == 32) {

    type = (type + 1) % 6;

    reset();

  }

}

​

function mousePressed() {

  // print("-");

  // for (let x = 0; x < stateNum; x++) {

  //  for (let y = 0; y < colorNum; y++) {

  //    print("State:" + x + "-Color:" + y + "-{" + stt[x][y].x + ", " + stt[x][y].y + ", " + stt[x][y].z + "}");

  //  }

  // }

}