Beispiel für die Javascript-Implementierung des Spiels 2048_Grundkenntnisse

2048-Spiel, geschrieben in nativem Javascript-Code. Es wird empfohlen, es unter Google Chrome auszuführen.

2048.html

Code kopieren Der Code lautet wie folgt: 2048 zum Starten tippen :-)

2048.css

Code kopieren Der Code lautet wie folgt: @charset " utf-8 "; #div2048 { Breite: 500 Pixel; Höhe: 500 Pixel; Hintergrundfarbe: #b8af9e; Rand: 0 automatisch; Position: relativ; } #start { width: 500px; height: 500px; line-height: 500px; display: block; text-align: center; Schriftgröße: 30px; Hintergrund: #f2b179; Farbe: #FFFFFF; } #div2048 div.tile { Rand: 20px 0px 0px 20px ; Breite: 100px; Höhe: 40px; Innenabstand: 30px 0; Schriftgröße: 40px; Zeilenhöhe: 40px; Textausrichtung: Mitte; float: left; } #div2048 div.tile0{ Hintergrund: #ccc0b2; } #div2048 div.tile2 { Farbe: # 7c736a; Hintergrund: #eee4da; } #div2048 div.tile4 { Farbe: #7c736a; Hintergrund: #ece0c8; } # div2048 div.tile8 { Farbe: #fff7eb; Hintergrund: #f2b179; } #div2048 div.tile16 { Farbe:#fff7eb; Hintergrund:#f59563; } #div2048 div.tile32 { Farbe:#fff7eb; Hintergrund:#f57c5f; } #div2048 div.tile64 { Farbe:#fff7eb; Hintergrund:#f65d3b; } #div2048 div.tile128 { Farbe:#fff7eb; Hintergrund:# edce71; } #div2048 div.tile256 { color:#fff7eb; background:#edcc61; } #div2048 div.tile512 { Farbe:#fff7eb; Hintergrund:#ecc850; } #div2048 div.tile1024 { Farbe:#fff7eb; Hintergrund:#edc53f; } #div2048 div.tile2048 { Farbe:#fff7eb; Hintergrund:#eec22e; }

2048.js

Code kopieren Der Code lautet wie folgt: function game2048(container) { this.container = container; this.tiles = new Array(16); } game2048.prototype = { init: function(){ for(var i = 0, len = this.tiles.length; i var Tile = this .newTile(0); tile.setAttribute('index', i); this.container.appendChild(tile); this.tiles[i] = Tile; } this.randomTile(); this.randomTile(); }, newTile: function(val){ var Tile = document.createElement('div'); this .setTileVal(tile, val) return Tile; }, setTileVal: function(tile, val){ tile.className = 'tile Tile' val; tile.setAttribute( 'val', val); tile.innerHTML = val > 0 ? val : ''; }, randomTile: function(){ var zeroTiles = []; for(var i = 0, len = this.tiles.length; i if(this.tiles[i].getAttribute('val') == 0){ zeroTiles.push(this.tiles[i]); } } var rTile = zeroTiles[Math.floor(Math.random() * zeroTiles.length)]; this.setTileVal(rTile, Math.random() }, move:function(direction){ var j; switch(direction){ case 'W': for(var i = 4, len = this.tiles. length; i j -= 4; j = i; while(j this.merge(this.tiles[j 4], this.tiles[j]); j = 4; } } break; case 'A': for(var i = 1, len = this.tiles.length; i j = i; while(j % 4 != 0){ this.merge(this.tiles[j - 1], this.tiles[j]); j -= 1 ; } } break; case 'D': for(var i = 14; i >= 0; i--){ j = i; while(j % 4 != 3){ this.merge(this.tiles[j 1], this.tiles[j]); j = 1; > var prevVal = prevTile.getAttribute('val'); var currVal = currTile.getAttribute('val'); if(currVal != 0){ if(prevVal == 0){ this.setTileVal(prevTile, currVal); this.setTileVal(currTile, 0); } else if(prevVal == currVal){ this.setTileVal(prevTile, prevVal * 2) val') == Tile2.getAttribute('val'); }, max: function(){ for(var i = 0, len = this.tiles.length; i if(this.tiles[i].getAttribute('val') == 2048){ return true; } } }, over : function(){ for(var i = 0, len = this.tiles.length; i if(this.tiles[i].getAttribute('val') = = 0){ return false; } if(i % 4 != 3){ if(this.equal(this.tiles[i], this.tiles[i 1] )){ return false; } } if(i if(this.equal(this.tiles[i], this.tiles[i 4])){ return false; } } } return true; }, clean: function(){ for(var i = 0, len = this.tiles.length; i this.container.removeChild(this.tiles[i ]); } this.tiles = new Array(16); } }

Var-Spiel, startBtn;

window.onload = function(){ var container = document.getElementById('div2048'); startBtn = document.getElementById('start'); startBtn.onclick = function() { this.style.display = 'none'; game = game || new game2048(container); game.init(); } }