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  • Javascript 使用它，当您使用MBlock.prototype={}时，该方法运行良好在第6行。当我将该行更改为MBlock.prototype=createjs.Container（）时该方法已停止工作。我确保在左上角的下拉菜单中选择CreateJS扩展，并尝试将默认

Javascript 使用它，当您使用MBlock.prototype={}时，该方法运行良好在第6行。当我将该行更改为MBlock.prototype=createjs.Container（）时该方法已停止工作。我确保在左上角的下拉菜单中选择CreateJS扩展，并尝试将默认

javascript class inheritance

Javascript 使用它，当您使用MBlock.prototype={}时，该方法运行良好在第6行。当我将该行更改为MBlock.prototype=createjs.Container（）时该方法已停止工作。我确保在左上角的下拉菜单中选择CreateJS扩展，并尝试将默认,javascript,class,inheritance,scope,Javascript,Class,Inheritance,Scope,使用它，当您使用MBlock.prototype={}时，该方法运行良好在第6行。当我将该行更改为MBlock.prototype=createjs.Container（）时该方法已停止工作。我确保在左上角的下拉菜单中选择CreateJS扩展，并尝试将默认的容器初始化添加到MBlock初始化的开头。你知道我们如何编辑JSFIDLE使它继承容器，并且仍然有一个有效的选择方法吗？我终于让它工作了。最大的问题是一个非常愚蠢的打字错误……我把this.select=sel而不是this.selected

使用它，当您使用
MBlock.prototype={}时，该方法运行良好在第6行。当我将该行更改为
MBlock.prototype=createjs.Container（）时该方法已停止工作。我确保在左上角的下拉菜单中选择CreateJS扩展，并尝试将默认的
容器
初始化添加到
MBlock
初始化的开头。你知道我们如何编辑JSFIDLE使它继承容器，并且仍然有一个有效的选择方法吗？我终于让它工作了。最大的问题是一个非常愚蠢的打字错误……我把
this.select=sel而不是
this.selected=sel我基本上将代码< >选择< /代码>为代码中的布尔变量>选择方法。你的小提琴和建议帮了大忙。

<!DOCTYPE html>
<html>
<head>
<title>M-Blocks Game</title>
<link href="../_shared/demo.css" rel="stylesheet" type="text/css">
<script src="http://code.createjs.com/easeljs-0.7.0.min.js"></script>
<script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
    var stage, mBlocks, bkgd;
    var sw, sh;
    var activeID;

    //MBlock class inherits from Container. MBlocks are squares that in addition to Container
    //properties have velocity and rotational velocity and can be either active or inactive
    //and selected or not selected
    var MBlock = function (x,y,color) {
        this.initialize(x,y,color);
    };
    MBlock.prototype = new createjs.Container();
    MBlock.prototype.Container_initialize = MBlock.prototype.initialize;
    MBlock.prototype.initialize = function(x,y,color) {
        this.Container_initialize();
        this.x = x;
        this.y = y;
        this.selected = false;
        this.color = color;
        this.lightCol = "#DDD";

        //Create and draw block
        this.block = new createjs.Shape();
        this.block.graphics.beginFill(this.color).drawRoundRect(x,y,30,30,7);
        this.addChild(this.block);

        //Create and draw light bulb
        this.light = new createjs.Shape();
        this.light.graphics.beginFill("#DDD").drawCircle(this.x+15,this.y+15,5);
        this.addChild(this.light);
    };
    MBlock.prototype.select = function(sel) {
        this.select = sel;
        this.light.graphics.clear();
        this.lightCol = "red";
        if (sel) this.lightCol = "red";
        else this.lightCol = "#DDD";
        this.light.graphics.beginFill(this.lightCol).drawCircle(this.x+15,this.y+15,5);
    };

    function init() {
        stage = new createjs.Stage("demoCanvas");

        sw = stage.canvas.width;
        sh = stage.canvas.height;

        activeID = 0;

        bkgd = new createjs.Shape();
        bkgd.graphics.beginFill("#DDF").drawRoundRect(0,0,sw,sh,7);
        stage.addChild(bkgd);

        mBlocks = [];
        mBlocks.push(new MBlock(0,0,"#0F0"));
        mBlocks.push(new MBlock(35,0,"#0F0"));
        activeID = 1;
        mBlocks[1].select(true);
        stage.addChild(mBlocks[0],mBlocks[1]);

        stage.update();
    }

    function reactKey(event) {
        if(event.keyCode==32) { //space key--switch between selection of active mBlocks
            mBlocks[activeID].select(false);
            activeID += 1;
            if (activeID >= mBlocks.length) activeID = 0;
            mBlocks[activeID].select(true);
            stage.update();
        }
    }

    function reactKeyUp(event) {
        //Code here
    }

    function onTick(){
        //Code here
    }

</script>



function init() {
    //init code
}
init();



(function(){
    //init code
})();



MBlock.prototype.select = function(sel) {
    this.select = sel; //Here was the problem
    //more code
};



MBlock.prototype.select = function(sel) {
    this.selected = sel;
    //more code
};