// The Coding Train / Daniel Shiffman

// https://thecodingtrain.com/challenges/171-wave-function-collapse

// https://youtu.be/0zac-cDzJwA

​

// Code from Challenge: https://editor.p5js.org/codingtrain/sketches/pLW3_PNDM

// Corrected and Expanded: https://github.com/CodingTrain/Wave-Function-Collapse

​

// Class for a cell

class Cell {

  constructor(value, position) {

    // Is it collapsed?

    this.collapsed = false;

    this.position = position;

    this.i = position % DIM;

    this.j = parseInt(position / DIM);

    this.w = width / DIM;

    this.h = height / DIM;

​

    // Initial options via constructor

    // if (value instanceof Array) {

    //   this.options = value;

    // } else {

    //   // or all options to start

    //   this.options = [];

    //   for (let i = 0; i < value; i++) {

    //     this.options[i] = i;

    //   }

    // }

  }

​

  draw() {

    fill(0);

    stroke(100);

    // line(this.i * this.w, this.j * this.h, this.w * (this.i + 1), this.h * (this.j + 1))

    // rect(this.i * this.w, this.j * this.h, this.w - 3, this.h  - 3);

    this.hexagon(this.i * this.w, this.j * this.h, this.w / 520);

    this.hexagon(this.i * this.w, this.j * this.h  + 75/4, this.w / 520);

    this.hexagon(this.i * this.w + 75/4, this.j * this.h  + 75 / 8, this.w / 520);

    this.hexagon(this.i * this.w + 75/4, this.j * this.h  + 75/4 + 75/8, this.w / 520);

  }

​

  hexagon(transX, transY, s) {

    stroke(255);

    strokeWeight(5);

    fill("rgba(255, 255, 100, .25)");

    push();

    translate(transX, transY);

    scale(s);

    beginShape();

    vertex(-75, -130);

    vertex(75, -130);

    vertex(150, 0);

    vertex(75, 130);

    vertex(-75, 130);

    vertex(-150, 0);

    endShape(CLOSE);

    pop();

  }

}

​