1 /****************************************************************************
  2  Copyright (c) 2010-2012 cocos2d-x.org
  3  Copyright (c) 2008-2010 Ricardo Quesada
  4  Copyright (c) 2011      Zynga Inc.
  5 
  6  http://www.cocos2d-x.org
  7 
  8  Permission is hereby granted, free of charge, to any person obtaining a copy
  9  of this software and associated documentation files (the "Software"), to deal
 10  in the Software without restriction, including without limitation the rights
 11  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 12  copies of the Software, and to permit persons to whom the Software is
 13  furnished to do so, subject to the following conditions:
 14 
 15  The above copyright notice and this permission notice shall be included in
 16  all copies or substantial portions of the Software.
 17 
 18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 19  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 20  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 21  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 22  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 23  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 24  THE SOFTWARE.
 25  ****************************************************************************/
 26 
 27 /** cc.TurnOffTiles action.<br/>
 28  * Turn off the files in random order
 29  * @class
 30  * @extends cc.TiledGrid3DAction
 31  */
 32 cc.TurnOffTiles = cc.TiledGrid3DAction.extend(/** @lends cc.TurnOffTiles# */{
 33     _seed:null,
 34     _tilesCount:0,
 35     _tilesOrder:[],
 36 
 37     /** initializes the action with a random seed, the grid size and the duration
 38      * @param {cc.GridSize} gridSize
 39      * @param {Number} duration
 40      * @param {Number} seed
 41      * @return {Boolean}
 42      */
 43     initWithSeed:function ( gridSize, duration, seed) {
 44         if (this.initWithSize(gridSize, duration)) {
 45             this._seed = seed;
 46             this._tilesOrder = null;
 47 
 48             return true;
 49         }
 50 
 51         return false;
 52     },
 53 
 54     /**
 55      * @param {Array} array
 56      * @param {Number} len
 57      */
 58     shuffle:function (array, len) {
 59         var i;
 60         for (i = len - 1; i >= 0; i--) {
 61             var j = parseInt(Math.random() * (i + 1));
 62             var v = array[i];
 63             array[i] = array[j];
 64             array[j] = v;
 65         }
 66     },
 67 
 68     /**
 69      * @param {cc.GridSize} pos
 70      */
 71     turnOnTile:function (pos) {
 72         this.setTile(pos, this.originalTile(pos));
 73     },
 74 
 75     /**
 76      * @param {cc.GridSize}pos
 77      */
 78     turnOffTile:function (pos) {
 79         var coords = new cc.Quad3();
 80         this.setTile(pos, coords);
 81     },
 82 
 83     /**
 84      * @param {cc.Node} target
 85      */
 86     startWithTarget:function (target) {
 87         var i;
 88 
 89         this._super(target);
 90 
 91         if (this._seed != -1) {
 92             parseInt(Math.random() * this._seed);
 93         }
 94         this._tilesCount = this._gridSize.x * this._gridSize.y;
 95         this._tilesOrder = [];
 96 
 97         for (i = 0; i < this._tilesCount; ++i) {
 98             this._tilesOrder[i] = i;
 99         }
100 
101         this.shuffle(this._tilesOrder, this._tilesCount);
102     },
103 
104     /**
105      * @param {Number} time
106      */
107     update:function (time) {
108         var i, l, t;
109 
110         l = time * this._tilesCount;
111 
112         for (i = 0; i < this._tilesCount; i++) {
113             t = this._tilesOrder[i];
114             var tilePos = cc.g(t / this._gridSize.y, t % this._gridSize.y);
115 
116             if (i < l) {
117                 this.turnOffTile(tilePos);
118             }
119             else {
120                 this.turnOnTile(tilePos);
121             }
122         }
123     }
124 
125 });
126 
127 /**
128  * @param {cc.GridSize}gridSize
129  * @param {Number} duration
130  * @param {Number|Null} seed
131  * @return {cc.TurnOffTiles}
132  * @example
133  * // example
134  * // turnOffTiles without seed
135  * var toff = cc.TurnOffTiles.create(cc.g(x, y), this._duration);
136  *
137  * // turnOffTiles with seed
138  * var toff = cc.TurnOffTiles.create(cc.g(x, y), this._duration, 0);
139  */
140 cc.TurnOffTiles.create = function (gridSize, duration, seed) {
141     var action = new cc.TurnOffTiles();
142     if(arguments.length == 2) {
143         /** creates the action with the grid size and the duration */
144         action.initWithSize(gridSize, duration);
145     } else if (arguments.length == 3) {
146         /** creates the action with the grid size, the duration and a random seed */
147         action.initWithSeed(gridSize, duration, seed);
148     }
149     return action;
150 };
151