2048-simple - OpenProcessing

mySketch
xxxxxxxxxx
 
let rect_size = 90;
let grid;
let level = 0;
let direction = "";
​
function setup() {
  createCanvas(windowWidth, windowHeight);
  background(100);
  grid = [
    [0,0,0,0],
    [0,0,0,0],
    [0,0,0,0],
    [0,0,0,0]
  ]
  
  addNumber();
  addNumber();
}
​
function draw() {
  drawGrid();
  drawNumbers();
}
​
function drawGrid(){
  for (let y=-2; y<=1; y++){
    for (let x=-2; x<=1;x++){
      rect(windowWidth/2+rect_size*x, windowHeight/2+rect_size*y, rect_size, rect_size)
    }
  }
}
​
function drawNumbers(){
  console.log(grid)
  for (let r=0; r<4; r++){
    for (let c=0;c<4;c++){
      if (grid[r][c] != 0){
        textSize(40)
        text(grid[r][c], windowWidth/2+rect_size*(r-2) + rect_size/2 -10, windowHeight/2+rect_size*(c-2) + rect_size/2 +10)
      }
    }
  }
}
​
function addNumber(){
  let options = []
  for (let r=0; r<4; r++){
    for (let c=0;c<4;c++){
      if (grid[r][c]==0){
        options.push({
          x:r,
          y:c
        })
      }
    }
  }
  console.log(options)
  if (options.length >0){
    let spot = random(options)
    let r = random(1)
    grid[spot.x][spot.y] = r >0.3 ? 2 : 4
  }
  
}
​
function moveUp(r,c,start){
  if (start < 4){
    //check if the row you are moving and the row you are moving to are not the same, if the same, don't move
    if (c != start) {
      //if first row is empty
      if (grid[r][start] == 0){
        grid[r][start] = grid[r][c]
        grid[r][c] = 0
      }
      //else, 
      else {
        //if same value and next to each other, add it up
        if (grid[r][start] == grid[r][c] && Math.abs(start-c)==1){
          grid[r][start] += grid[r][c]
          grid[r][c] = 0
        }
        //else, move to second row
        else {
          moveUp(r,c,start+1)
        }
      }
      }
  }
}
​
function moveDown(r,c,end){
  if (end >=0){
    //check if the row you are moving and the row you are moving to are not the same, if the same, don't move
    if (c != end) {
      //if last row is empty
      if (grid[r][end] == 0){
        grid[r][end] = grid[r][c]
        grid[r][c] = 0
      }
      //else, 
      else {
        //if same, add it up
        if (grid[r][end] == grid[r][c] && Math.abs(end-c)==1){
          grid[r][end] += grid[r][c]
          grid[r][c] = 0
        }
        //else, move to second row
        else {
          moveDown(r,c,end-1)
        }
        }
      }
  }
}
​
function moveRight(r,c,end){
  if (end >=0){
    //check if the col you are moving and the col you are moving to are not the same, if the same, don't move
    if (r != end) {
      //if last col is empty
      if (grid[end][c] == 0){
        grid[end][c] = grid[r][c]
        grid[r][c] = 0
      }
      //else, 
      else {
        //if same, add it up
        if (grid[end][c] == grid[r][c] && Math.abs(end-r)==1){
          grid[end][c] += grid[r][c]
          grid[r][c] = 0
        }
        //else, move to second row
        else {
          moveRight(r,c,end-1)
        }
      }
      }
  }
}
​
function moveLeft(r,c,start){
  if (start < 4){
    //check if the col you are moving and the col you are moving to are not the same, if the same, don't move
    if (r != start) {
      //if first col is empty
      if (grid[start][c] == 0){
        grid[start][c] = grid[r][c]
        grid[r][c] = 0
      }
      //else, 
      else {
        //if same, add it up
        if (grid[start][c] == grid[r][c] && Math.abs(start-r)==1){
          grid[start][c] += grid[r][c]
          grid[r][c] = 0
        }
        //else, move to second row
        else {
          moveLeft(r,c,start+1)
        }
      }
      }
  }
}
​
function keyPressed(){
  switch(keyCode){
      case UP_ARROW:
        direction = "up"
        addNumber();
        break;
      case DOWN_ARROW:
        direction = "down"
        addNumber();
        break;
      case RIGHT_ARROW:
        direction = "right"
        addNumber();
        break;
      case LEFT_ARROW:
        direction = "left"
        addNumber();
        break;
    } 
  
  for (let r=0; r<4; r++){
    for (let c=0;c<4;c++){
      if (grid[r][c] != 0){
        if (direction == "up"){
          moveUp(r,c,0)
        }
        if (direction == "down"){
          moveDown(r,c,3)
        }
        if (direction == "left"){
          moveLeft(r,c,0)
        }
        if (direction == "right"){
          moveRight(r,c,3)
        }
      }
    }
  }
}