Cocos2d JS 之消灭星星(三) 进入游戏过渡场景

 1 /*
 2  * 游戏过渡场景,主要作用是在每次进入游戏或者进入下一关卡时进行过渡,显示当前的关卡以及通过该关卡要达到的分数;
 3  */
 4 var TransitionScene = ccui.Layout.extend(
 5 {
 6     size:null,
 7     ctor:function(isNewGame)
 8     {
 9         this._super();
10         this.isNewGame = isNewGame;
11         this.zinit();
12         this.setLabel();
13         this.gotoGameMainScene();
14     },
15     //设置显示文本(当前关卡数,通过关卡分数)
16     setLabel:function()
17     {
18         //当前进入关卡
19         var currentLevel = new myText("level "+this.levelNumber.toString(),white, 20);
20         currentLevel.x = this.size.width - currentLevel.width >> 1;//居中
21         currentLevel.y = 500;
22         this.addChild(currentLevel, 1);
23         
24         var targetTxt = new myText("target score is", white, 20);
25         targetTxt.x = this.size.width - targetTxt.width >> 1;
26         targetTxt.y = currentLevel.y - targetTxt.height - 10;
27         this.addChild(targetTxt, 1);
28         //通关分数
29         var targetScore = new myText(this.standardScore.toString(), white, 20);
30         targetScore.x = this.size.width - targetScore.width >> 1;
31         targetScore.y = targetTxt.y - targetScore.height - 10;
32         this.addChild(targetScore, 1);
33     },
34     //进入游戏主场景
35     gotoGameMainScene:function()
36     {
37         //两秒后进入游戏主界面
38         this.scheduleOnce(function()
39         {
40             var gMainScene = GameMainScene.createScene();
41             cc.director.runScene(cc.TransitionFade.create(1, gMainScene));
42         }, 2);
43     },
44     //初始化
45     zinit:function()
46     {
47         //设置布局大小
48         this.size = cc.size(480, 800);
49         this.setSize(this.size);
50         //实例化背景图片
51         var backGround = new myImage(res.mainbacktop);
52         backGround.y = this.size.height - backGround.height;
53         this.addChild(backGround, 0);
54         var backGround1 = new myImage(res.mainbackbottom);
55         this.addChild(backGround1, 0);
56         
57         //初始化玩家信息
58         if(this.isNewGame == true)
59         {
60             PlayerLocalData.deleteItem();
61         }
62         this.playerGameData = PlayerLocalData.getItem();
63         //这里要注意,第一次进入游戏时,this.playerGameData是一个数组,之后就变成对象了,这里确保游戏中统一用对象
64         if(this.playerGameData.length == true)
65         {
66             this.playerGameData = this.playerGameData[0];
67         }
68         else
69         {
70             this.playerGameData = this.playerGameData;
71         }
72         this.levelNumber = this.playerGameData.currentLevel;//当前关卡数字
73         //获得当前关卡的目标分数
74         for(var i = 0; i < levelData.length; i++)
75         {
76             if(this.levelNumber == levelData[i].level)
77             {
78                 this.standardScore = levelData[i].standards;
79                 break;
80             }
81         }
82     }
83 });
84 //实例化场景
85 TransitionScene.createScene = function(isNewGame)
86 {
87     var tScene = cc.Scene.create();
88     var tLayout = new TransitionScene(isNewGame);
89     tScene.addChild(tLayout);
90     return tScene;
91 };


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posted @ 2014-10-28 19:42 Developer_方方阅读(494) 评论(0) 收藏举报

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