LayaAir引擎——（八）

var a = new Array();

var b = new Array();

var ksjmCursor = 0;

function ksjminit() {

    ksjminitName();

    ksjminitRectChoose();

    ksjminitRectChoosePic();

    ksjmsetVisible(0);

    Laya.stage.on(laya.events.Event.KEY_DOWN, this, ksjmOnKeyDown);

}

function ksjminitName() {

    var a1 = new laya.display.Text();

    a1.text = "再续冒险之旅";

    a1.x = 50;

    a1.y = 50;

    a1.color = "red";

    a1.fontSize = 20;

    Laya.stage.addChild(a1);

    var a2 = new laya.display.Text();

    a2.text = "新的冒险之旅";

    a2.x = 50;

    a2.y = 50 + 30 * 1;

    a2.color = "red";

    a2.fontSize = 20;

    Laya.stage.addChild(a2);

    var a3 = new laya.display.Text();

    a3.text = "冒险者的传承";

    a3.x = 50;

    a3.y = 50 + 30 * 2;

    a3.color = "red";

    a3.fontSize = 20;

    Laya.stage.addChild(a3);

    var a4 = new laya.display.Text();

    a4.text = "打开网页";

    a4.x = 50;

    a4.y = 50 + 30 * 3;

    a4.color = "red";

    a4.fontSize = 20;

    Laya.stage.addChild(a4);

    var a5 = new laya.display.Text();

    a5.text = "变更设定";

    a5.x = 50;

    a5.y = 50 + 30 * 4;

    a5.color = "red";

    a5.fontSize = 20;

    Laya.stage.addChild(a5);

    var a6 = new laya.display.Text();

    a6.text = "退出";

    a6.x = 50;

    a6.y = 50 + 30 * 5;

    a6.color = "red";

    a6.fontSize = 20;

    Laya.stage.addChild(a6);

}

function ksjminitRectChoose(){

    for(var i = 0; i < 6; i++){

        a[i] = new laya.display.Sprite();

        if (i == 0 || i == 1 || i == 2) {

            a[i].graphics.drawRect(50, 50 + 30 * i, 6 * 20 + 5 + 10, 20, "white");

        }

        if (i == 3 || i == 4) {

            a[i].graphics.drawRect(50, 50 + 30 * i, 3 * 20 + 5 + 30, 20, "white");

        }

        if (i == 5) {

            a[i].graphics.drawRect(50, 50 + 30 * i, 2 * 20 + 5 + 10, 20, "white");

        }

        a[i].alpha = 0.25;

        a[i].visible = true;

        Laya.stage.addChild(a[i]);

    }

}

function ksjminitRectChoosePic() {

    for(var i = 0; i < 6; i++){

        b[i] = new laya.display.Sprite();

        if (i == 0 || i == 1 || i == 2) {

            b[i].loadImage("rectChoosePic.png",50 + 6 * 20 + 5 ,50 + 30 * i + 5, 10 ,10);

        }

        if (i == 3 || i == 4) {

            b[i].loadImage("rectChoosePic.png",50 + 4 * 20 + 5 ,50 + 30 * i + 5, 10 ,10);

        }

        if (i == 5) {

            b[i].loadImage("rectChoosePic.png",50 + 2 * 20 + 5 ,50 + 30 * i + 5, 10 ,10);

        }

        b[i].visible = true;

        Laya.stage.addChild(b[i]);

    }

}

function ksjmOnKeyDown(e) {

    switch(e.keyCode){

        case 38:{

            if ( (ksjmCursor - 1) <= 0 ) {

                ksjmCursor = 0;

            }else{

                ksjmCursor--;

            }

            break;

        }

        case 40:{

            if ( (ksjmCursor + 1) >= 5 ) {

                ksjmCursor = 5;

            }else{

                ksjmCursor++;

            }

            break;

        }

    }

    ksjmsetVisible(ksjmCursor);

}

function ksjmsetVisible(index) {

    for(var i = 0; i < 6 ; i++){

        if (index == i) {

            a[i].visible = true;

            b[i].visible = true;

        }else{

            a[i].visible = false;

            b[i].visible = false;

        }

    }

}