//牌初始位置
this.cardInitY = this.cards[0].y;

//触摸选择到的牌
this.touchedCards = [];

//选中的牌
this.selectedCards = [];

console.info(this.cards);
},start: function () {
// this.cards = this.poker.children;
// console.info(this.cards);

this.addTouchEvent();
},/**

• 添加事件
  */
  addTouchEvent:function(){

//父节点监听touch事件（直接子节点必须注册同样的事件方能触发）
this.poker.on(cc.Node.EventType.TOUCH_START,function (event) {
console.log('poker TOUCH_START');

//牌
var card = event.target;

//起始触摸位置（和第一张card一样，相对于poker的位置）
this.touchStartLocation = this.cards[0].convertTouchToNodeSpace(event);
console.log('touch start Location:'+ JSON.stringify(this.touchStartLocation));

//计算牌位置
var index = 0;
for(var i=0;i<this.cards.length;i++){
 var c = this.cards[i];
 if(c.name == card.name){
  index = i;
  break;
 }
}

//暂存第一次触摸到的牌
var touchedCard = {
 index:index,card:card
};
this.firstTouchedCard = touchedCard;
//暂存
this.pushTouchedCards(touchedCard.index,touchedCard.card);

},this);

//父节点监听touch事件（直接子节点必须注册同样的事件方能触发）
this.poker.on(cc.Node.EventType.TOUCH_MOVE,function (event) {
console.log('poker TOUCH_MOVE');
//先清除原先触摸到的牌
this.clearTouchedCards();
//保存第一张牌
this.pushTouchedCards(this.firstTouchedCard.index,this.firstTouchedCard.card);

//触摸点转换为card节点坐标
var nodeLocation = this.cards[0].convertTouchToNodeSpace(event);
console.log('touch nodeLocation:'+ JSON.stringify(nodeLocation));
var x = nodeLocation.x;
var y = nodeLocation.y; 

//找到当前选中的牌
var currentCard = null;
for(var i=0;i< this.cards.length;i++){
 var card = this.cards[i];
 var cardX = card.x;
 var cardY = card.y;
 console.log('card x='+cardX+',y='+cardY);


 //某张牌范围<a href="https://www.jb51.cc/tag/baokuo/" target="_blank" class="keywords">包括</a>了鼠标位置，选中此牌与触摸开头的所有牌
 var cardWidth = i==5 ? card.width:19;
 var cardHeight = card.height;
 if(cardX<=x && x <= cardX+cardWidth && cardY<=y && y<= cardY+cardHeight){
  currentCard = card;

  //暂存触摸到的牌
  this.pushTouchedCards(i,card);

  break;
 }
}

//<a href="https://www.jb51.cc/tag/tianjia/" target="_blank" class="keywords">添加</a>开头与此牌直接的所有牌
var startTouchLocation = this.touchStartLocation;
for(var i=0;i< this.cards.length;i++){
 var card = this.cards[i];
 var cardX = card.x;
 //框选的范围<a href="https://www.jb51.cc/tag/baokuo/" target="_blank" class="keywords">包括</a>了的牌
 var min,max;
 if(startTouchLocation.x < nodeLocation.x){
  min = startTouchLocation.x;
  max = nodeLocation.x;
 }else{
  min = nodeLocation.x;
  max = startTouchLocation.x;
 }
 console.log('min='+min+',max='+max);

 if(min <= cardX && cardX <= max){
  //暂存触摸到的牌
  this.pushTouchedCards(i,card);
 }
}

},this);

//父节点监听touch事件（直接子节点必须注册同样的事件方能触发）
this.poker.on(cc.Node.EventType.TOUCH_END,function (event) {
console.log('poker TOUCH_END');
this.doSelectCard();
},this);

//父节点监听touch事件（直接子节点必须注册同样的事件方能触发）
this.poker.on(cc.Node.EventType.TOUCH_CANCEL,function (event) {
console.log('poker TOUCH_CANCEL');
this.doSelectCard();
},this);

//给所有的牌注册事件，会自动冒泡到poker节点
for(var i=0;i< this.cards.length;i++){
var cards = this.cards;
//闭包传递i值
(function(i){
var card = cards[i];
card.on(cc.Node.EventType.TOUCH_START,function (event) {
console.log('card TOUCH_START');
},card);

card.on(cc.Node.EventType.TOUCH_MOVE,function (event) {
 console.log('card TOUCH_MOVE');
},card);

card.on(cc.Node.EventType.TOUCH_END,function (event) {
 console.log('card TOUCH_END');
},card);

card.on(cc.Node.EventType.TOUCH_CANCEL,function (event) {
 console.log('card TOUCH_CANCEL');
},card);

})(i)

}

},/**

• 暂存触摸到的牌
  */
  pushTouchedCards:function(index,card){
  //构造牌对象
  var cardObj = {
  index:index,name:card.name,isSelected:card.y==this.cardInitY?false:true //高度不一样，表示选中
  };

//防止重复添加
var existCard = this.touchedCards.find(function(obj){
if(obj.name == card.name){
return obj;
}else{
return null;
}
});
if(!existCard){
//添加暂存
this.touchedCards.push(cardObj);

//包含提示
this.addCardMask(card);
}
},/**

• 清除原先暂存的触摸到的牌
  */
  clearTouchedCards:function(){
  for(var i=0;i<this.touchedCards.length;i++){
  var cardIndex = this.touchedCards[i].index;
  var card = this.cards[cardIndex];
  card.removeChild(card.children[0]);
  }
  this.touchedCards = [];
  },/**
• 选择牌
  */
  doSelectCard:function(){
  this.selectedCards = [];

console.log(this.touchedCards);

//改变牌状态
for(var i = 0; i< this.touchedCards.length;i++){
var cardObj = this.touchedCards[i];
var card = this.cards[cardObj.index];
if(cardObj.isSelected){ //如果是选中改为不选中
card.y = card.y - 30;
}else{ //不选中改为选中状态
card.y = card.y + 30;
}
}

//重置
this.clearTouchedCards();

//显示选中的牌
this.showSelectedCards();
},/**

• 包含牌遮罩
  */
  addCardMask:function(card){
  var cardMask = cc.instantiate(this.cardMask);
  cardMask.setPosition(cc.p(0,0));
  card.addChild(cardMask);
  },/**
• 显示选中的牌
  */
  showSelectedCards:function(){
  this.selectedCards = [];
  for(var i=0;i< this.cards.length;i++){
  var card = this.cards[i];
  var isSelected = card.y==this.cardInitY?false:true;
  if(isSelected){
  this.selectedCards.push(card.name);
  }
  }
  //输出
  console.info("selected cards is: "+ JSON.stringify(this.selectedCards));
  },// called every frame,uncomment this function to activate update callback
  // update: function (dt) {

// },});