axinixn2048

2048 function HTMLActuator() { this.tileContainer = document.querySelector(".tile-container"); this.scoreContainer = document.querySelector(".score-container"); this.bestContainer = document.querySelector(".best-container"); this.messageContainer = document.querySelector(".game-message");

this.score = 0; }

HTMLActuator.prototype.actuate = function (grid, metadata) { var self = this;

window.requestAnimationFrame(function () { self.clearContainer(self.tileContainer);

grid.cells.forEach(function (column) {
  column.forEach(function (cell) {
    if (cell) {
      self.addTile(cell);
    }
  });
});

self.updateScore(metadata.score);
self.updateBestScore(metadata.bestScore);

if (metadata.terminated) {
  if (metadata.over) {
    self.message(false); // You lose
  } else if (metadata.won) {
    self.message(true); // You win!
  }
}

}); };

// Continues the game (both restart and keep playing) HTMLActuator.prototype.continue = function () { this.clearMessage(); };

HTMLActuator.prototype.clearContainer = function (container) { while (container.firstChild) { container.removeChild(container.firstChild); } };

HTMLActuator.prototype.addTile = function (tile) { var self = this;

var wrapper = document.createElement("div"); var inner = document.createElement("div"); var position = tile.previousPosition || { x: tile.x, y: tile.y }; var positionClass = this.positionClass(position);

// We can't use classlist because it somehow glitches when replacing classes var classes = ["tile", "tile-" + tile.value, positionClass];

if (tile.value > 2048) classes.push("tile-super");

this.applyClasses(wrapper, classes);

inner.classList.add("tile-inner"); inner.textContent = I18N.tileText(tile.value);

if (tile.previousPosition) { // Make sure that the tile gets rendered in the previous position first window.requestAnimationFrame(function () { classes[2] = self.positionClass({ x: tile.x, y: tile.y }); self.applyClasses(wrapper, classes); // Update the position }); } else if (tile.mergedFrom) { classes.push("tile-merged"); this.applyClasses(wrapper, classes);

// Render the tiles that merged
tile.mergedFrom.forEach(function (merged) {
  self.addTile(merged);
});

} else { classes.push("tile-new"); this.applyClasses(wrapper, classes); }

// Add the inner part of the tile to the wrapper wrapper.appendChild(inner);

// Put the tile on the board this.tileContainer.appendChild(wrapper); };

HTMLActuator.prototype.applyClasses = function (element, classes) { element.setAttribute("class", classes.join(" ")); };

HTMLActuator.prototype.normalizePosition = function (position) { return { x: position.x + 1, y: position.y + 1 }; };

HTMLActuator.prototype.positionClass = function (position) { position = this.normalizePosition(position); return "tile-position-" + position.x + "-" + position.y; };

HTMLActuator.prototype.updateScore = function (score) { this.clearContainer(this.scoreContainer);

var difference = score - this.score; this.score = score;

this.scoreContainer.textContent = I18N.numberToString(this.score);

if (difference > 0) { var addition = document.createElement("div"); addition.classList.add("score-addition"); addition.textContent = I18N.numberToString(difference);

this.scoreContainer.appendChild(addition);

} };

HTMLActuator.prototype.updateBestScore = function (bestScore) { this.bestContainer.textContent = I18N.numberToString(bestScore); };

HTMLActuator.prototype.message = function (won) { var type = won ? "game-won" : "game-over"; var message = won ? I18N.won : I18N.lose;

this.messageContainer.classList.add(type); this.messageContainer.getElementsByTagName("p")[0].textContent = message; };

HTMLActuator.prototype.clearMessage = function () { // IE only takes one value to remove at a time. this.messageContainer.classList.remove("game-won"); this.messageContainer.classList.remove("game-over"); };