Abelian SandPile Saving

var sandpile;

var pauseButton;

var saveButton;

var paused = false;

var txt = []

function preLoad() {

  // txt = loadStrings('myList.txt');

}

​

function setup() {

  frameRate(100)

  var canSize = 1000;

  var size = 51;

  // 35000 is close to 151

  createCanvas(canSize, canSize);

  sandpile = new Sandpile(size, canSize / size);

  sandpile.build();

​

​

//  pauseButton = createButton('pause');

//  pauseButton.position(0, 0);

//  pauseButton.mousePressed(pausePressed);

//  saveButton = createButton("save");

//  saveButton.position(0, 30);

 // saveButton.mousePressed(savePressed);

​

}

​

function draw() {

  if (!paused) {

   sandpile.updateCycle()

  }

}

​

function savePressed() {

  print(sandpile.grid);

  save(sandpile.grid, "Sandpile.txt");

}

​

function mousePressed() {

  savePressed()

}

var shades = {

  0: 150,

  1: [200, 0, 200],

  2: [125, 0, 125],

  3: [50, 0, 50],

  4: 0,

  5: 0,

  6: 0,

  7: 0,

  8: 0,

  9: 0

​

}

​

function pausePressed() {

  paused = !paused;

}

​

function savePressed() {

  print(sandpile.grid);

  save(sandpile.grid, "Sandpile.txt");

  var bob = [[1,2,3,4],[5,6,7,8],[9,1,2,3]];

  saveStrings(bob, "bob.txt");

}

​

function Sandpile(gridSize, squareSize) {

  this.gridSize = gridSize;

  this.squareSize = squareSize;

  this.grid = [];

  this.count = 0

  this.needsUpdate = {};

  this.spillOver = {};

  this.startAt = 0;

  this.isActive = false;

​

​

  this.build = function() {

    for (var i = 0; i < this.gridSize; i++) {

      var row = [];

      var nextRow = [];

      for (var j = 0; j < this.gridSize; j++) {

        row.push(0);

        nextRow.push(0);

      }

      this.grid.push(row);

    }

  }

​

  this.drawOnce = function() {

    for (var i = 0; i < this.gridSize; i++) {

      for (var j = 0; j < this.gridSize; j++) {

        var val = this.grid[i][j];

        fill(shades[val]);

        noStroke();

        // print("val " + val + ", i: " + i + ", j:" + j + ", size:" + this.squareSize + ", shade:" + shades[val]);

        rect(i * this.squareSize, j * this.squareSize, (this.squareSize), this.squareSize);

      }

    }

  }

​

​

​

​

  this.redrawFromSet = function() {

    if (Object.keys(this.needsUpdate).length == 0) {

      this.feedMiddle();

    } else {

      for (key in this.needsUpdate) {

        var coor = this.needsUpdate[key];

        var i = coor[0];

        var j = coor[1];

        var val = this.grid[i][j];

        fill(shades[val]);

        noStroke();

        // print("val " + val + ", i: " + i + ", j:" + j + ", size:" + this.squareSize + ", shade:" + shades[val]);

     //   rect(i * this.squareSize, j * this.squareSize, (this.squareSize), this.squareSize);

        ellipse((i * this.squareSize) + (this.squareSize / 2), (j * this.squareSize) + (this.squareSize / 2), this.squareSize - 1);

        if (val >= 4) {

          this.spillOver[key] = coor;

        }

        delete this.needsUpdate[key];

      }

    }

  }

​

  this.handleSpillOver = function() {

    for (key in this.spillOver) {

      var coor = this.spillOver[key];

      var i = coor[0];

      var j = coor[1];

      delete this.spillOver[key];

      if (i > 0) {

        this.grid[i - 1][j] += 1;

        this.needsUpdate[[i - 1, j]] = [i - 1, j];

      }

      if (i < this.gridSize - 1) {

        this.grid[i + 1][j] += 1;

        this.needsUpdate[[i + 1, j]] = [i + 1, j];

      }

      if (j > 0) {

        this.grid[i][j - 1] += 1;

        this.needsUpdate[[i, j - 1]] = [i, j - 1];

      }

      if (j < this.gridSize - 1) {

        this.grid[i][j + 1] += 1;

        this.needsUpdate[[i, j + 1]] = [i, j + 1];

      }

      this.grid[i][j] -= 4;

      this.needsUpdate[[i, j]] = [i, j];

    }

  }

​

​

​

  this.feedMiddle = function() {

    var midI = floor(this.gridSize / 2);

    var midJ = floor(this.gridSize / 2);

    this.grid[midI][midJ] += 1;

    this.needsUpdate[[midI, midJ]] = [midI, midJ];

    this.count += 1;

    if (this.count > this.startAt) {

      print("count" + this.count);

    }

  }

​

  this.updateCycle = function() {

​

​

    if (this.count >= this.startAt) {

      this.redrawFromSet();

      this.handleSpillOver();

    }

    if (this.count == this.startAt) {

      this.drawOnce()

    } else {

      while (this.count <= this.startAt) {

        this.redrawFromSet();

        this.handleSpillOver();

      }

    }

​

  }

​

}