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  • egret-初步接触

    class HelloTime extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
    
        }
        private spr: egret.Sprite; // 定义变量类型
    
        private async onAddToStage(event: egret.Event) {
            this.spr = new egret.Sprite();
            // spr.graphics.beginFill(0xff0000);
            // spr.graphics.drawRect(0, 0, 100, 100);
            // spr.graphics.endFill();
            // this.addChild(spr);
            this.addChild(this.spr);
            this.spr.width = 480;
            this.spr.height = 800;
            this.drawTxt();
            this.drawContent();
    
            /** --------------调用自己定义的class------------ */
            // let _nCar: Card = new Card();
            // this.addChild(_nCar);
    
            // let _nAddView: AddView = new AddView();
            // this.addChild(_nAddView);
    
            // let _ManagerMent: ManagerMent = new ManagerMent();
            // this.addChild(_ManagerMent);
    
            // let _ChildrenObject: ChildrenObject = new ChildrenObject();
            // this.addChild(_ChildrenObject);
    
            // let _SimpleDate1: SimpleDate1 = new SimpleDate1();
            // this.addChild(_SimpleDate1);
    
            // let _TouchEventTest1: TouchEventTest1 = new TouchEventTest1();
            // this.addChild(_TouchEventTest1);
    
            // let _GraphicsTest: GraphicsTest = new GraphicsTest();
            // this.addChild(_GraphicsTest);
    
            // let _MayTest:MayTest = new MayTest();
            // this.addChild(_MayTest);
    
            // let _MyTweenAnim:MyTweenAnim = new MyTweenAnim()
            // this.addChild(_MyTweenAnim);
    
            // let _MyTimer1:MyTimer1 = new MyTimer1();
            // this.addChild(_MyTimer1);
    
            // let _MyBitMay1:MyBitMay1 = new MyBitMay1();
            // this.addChild(_MyBitMay1);
    
            let _MyBitMay2: MyBitMay2 = new MyBitMay2();
            this.addChild(_MyBitMay2);
    
    
            // let _MyPic: MyPic = new MyPic()
            // this.addChild(_MyPic);
    
            /** --------------调用自己定义的class------------ */
    
    
            //加载图片
            RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.onButtonComp, this);//3-5个参数
            // RES.loadConfig('resource/default.res.json', 'resource/');
            await RES.loadConfig("resource/default.res.json", "resource/");
            RES.loadGroup('button1', 1); // 增加资源组
            //填加定时器 
            this.timer = new egret.Timer(1000, 8);// 两个属性分别是 delay 与 repeatCount ,两个属性分别表示每次间隔的时间(以毫秒为单位)和执行的次数
            this.timer.addEventListener(egret.TimerEvent.TIMER, this.timerFunc, this); // 定时器执行时 触发
            this.timer.addEventListener(egret.TimerEvent.TIMER_COMPLETE, this.timerComFunc, this); //定时器 执行完成后 触发
    
        }
        private num: egret.TextField;
        private n: number = 6;
        private con: egret.TextField;
        private timer: egret.Timer; // 声明计时器
        private date: Date;
    
        private drawTxt(): void {
            this.num = new egret.TextField();
            this.num.text = this.n.toString();
            this.num.size = 100;
            this.num.width = 480;
            this.num.textColor = 0x00ff00;
            this.num.textAlign = egret.HorizontalAlign.CENTER; // 样式居中
            this.spr.addChild(this.num);
        }
        private drawContent(): void {
            this.con = new egret.TextField();
            this.con.text = '默默倒数六秒 迅速点击文字';
            this.con.textColor = 0x00ff00;
            this.con.width = 480;
            this.con.textAlign = egret.HorizontalAlign.CENTER;
            this.con.y = 120;
            this.spr.addChild(this.con);
    
    
        }
        private img: egret.Bitmap;
        private startTime: number;
        private stopTime: number;
        private finalTime: number;
        private onButtonComp(): void {
            this.img = new egret.Bitmap();
            this.img.texture = RES.getRes('btn1');// 加载图片
            let rect: egret.Rectangle = new egret.Rectangle(10, 10, 15, 15);
            this.img.scale9Grid = rect;
            this.img.y = 200;
            this.img.x = 215;
            this.img.width = 50;
            this.img.height = 50;
            this.spr.addChild(this.img);
            this.img.touchEnabled = true;
            this.img.addEventListener(egret.TouchEvent.TOUCH_TAP, this.onTouch, this);
        }
        private onTouch(evt: egret.TouchEvent) {
            this.date = new Date();
            this.startTime = this.date.getTime();
    
            this.img.alpha = 0;
            this.timer.start(); // 启动 停止 暂停 
            this.drawTxt();
            this.spr.touchEnabled = true;
            this.spr.addEventListener(egret.TouchEvent.TOUCH_TAP, this.onToucnSRP, this, true);
        }
    
        private timerFunc() {
            if (this.n <= 3) {
                this.num.text = '?';
            } else {
                this.spr.removeChildren();
                this.drawTxt();
            }
            this.n--;
        }
    
        private timerComFunc() {
            if (this.n <= -2) {
                this.drawContent();
                this.con.text = '别迷糊了快醒醒';
                this.spr.removeEventListener(egret.TouchEvent.TOUCH_TAP, this.onToucnSRP, this, true);
            }
        }
        private onToucnSRP(event: egret.TouchEvent) {
            this.date = new Date();
            this.stopTime = this.date.getTime();
            this.finalTime = this.startTime - this.stopTime;
            this.num.text = (this.finalTime / 1000 + 6).toFixed(3);
            this.timer.stop();
            this.drawContent();// 重新绘制
            this.spr.removeEventListener(egret.TouchEvent.TOUCH_TAP, this.onToucnSRP, this, true);
    
            switch (Math.floor(Math.abs(this.finalTime / 1000 + 6))) {
                case 0:
                    this.con.text = '很专注';
                    break;
                case 1:
                    this.con.text = '一般专注';
                    break;
                case 2:
                    this.con.text = '不专注';
                    break;
            }
        }
    
    
    
    }
    
    class Card extends egret.Sprite {
        public constructor() {
            super();
            this.drawCard();
        }
        private drawCard() {
            this.graphics.beginFill(0x0000ff);
            this.graphics.drawRect(190, 300, 50, 50);
            this.graphics.drawRect(240, 350, 50, 50);
            this.graphics.beginFill(0xff0000);
            this.graphics.drawRect(240, 300, 50, 50);
            this.graphics.drawRect(190, 350, 50, 50);
            this.graphics.endFill();
        }
    }
    
    // class AddView extends egret.DisplayObjectContainer{ 
    class AddView extends egret.Sprite {
        public constructor() {
            super();
            this.onAddTostage();
        }
        private onAddTostage() {
            let spr: egret.Sprite = new egret.Sprite();
    
            spr.graphics.beginFill(0xff0000);
            spr.graphics.drawRect(215, 420, 50, 50);
            spr.graphics.endFill();
            //该对象以存在
            this.addChild(spr);
            // this.removeChild(spr);// 删除对象
            // 该对象 保存于内存中
            let spr1: egret.Sprite = new egret.Sprite();
            spr1.graphics.beginFill(0x00ff00);
            spr1.graphics.drawRect(215, 420, 25, 25);
            spr1.y = 10;
            spr1.x = 10;
            this.addChild(spr1);
            spr.addChild(spr1);
            console.log(this.numChildren);
    
        }
    }
    
    //深度值
    class ManagerMent extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.onAddToStage();
        }
        private onAddToStage() {
            let spr: egret.Sprite = new egret.Sprite();
            spr.graphics.beginFill(0xff0000);
            spr.graphics.drawRect(0, 0, 50, 50);
            spr.graphics.endFill();
            spr.x = 215;
            spr.y = 480;
            this.addChild(spr);
            //深度值 z--测序
            console.log(this.numChildren);
            let spr1: egret.Sprite = new egret.Sprite();
            spr1.graphics.beginFill(0x00ff00);
            spr1.graphics.drawRect(0, 0, 50, 50);
            spr1.graphics.endFill();
            spr1.x = 215;
            spr1.y = 540;
            this.addChild(spr1);
            console.log(this.numChildren);
    
            let sprcon: egret.Sprite = new egret.Sprite();
            this.addChild(sprcon);
            sprcon.x = 10;
            for (let i: number = 0; i < 4; i++) {
                let spr: egret.Sprite = new egret.Sprite();
                spr.graphics.beginFill(0xffffff * Math.random());
                spr.graphics.drawRect(0, 0, 40, 20);
                spr.graphics.endFill();
                spr.x = i * 20;
                spr.y = 600;
                sprcon.addChild(spr);
            }
            let sprNew1: egret.Sprite = new egret.Sprite();
            sprNew1.graphics.beginFill(0xff0000);
            sprNew1.graphics.drawRect(0, 0, 40, 30);
            sprNew1.graphics.endFill();
    
            sprNew1.x = 10;
            sprNew1.y = 600;
            // sprcon.addChild(sprNew1);
            sprcon.addChildAt(sprNew1, 1); // 按照下标插入
            //修改指定下标 内的深度
            sprcon.swapChildrenAt(1, 3); //修改指定下标 内的深度
            //修改 深度
            sprcon.setChildIndex(sprNew1, 4);
        }
    }
    
    //获取子对象 通过深度值
    class ChildrenObject extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            let spr: egret.Sprite = new egret.Sprite();
            this.addChild(spr);
    
            let spr1: egret.Sprite = new egret.Sprite();
            spr1.graphics.beginFill(0x00ff00);
            spr1.graphics.drawRect(0, 0, 100, 100);
            spr1.graphics.endFill();
            spr1.x = 50;
            spr1.name = 'hello';
            spr.addChild(spr1);
    
            let _spr: egret.DisplayObject = spr.getChildAt(0);// 比较快
            // let _spr: egret.DisplayObject = spr.getChildByName('hello');// 性能低
            _spr.scaleX = 0.5;
        }
    }
    
    // 7. 事件机制原理及流程
    class SimpleDate1 extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            //创建一个男
            let boy1: Boy = new Boy();
            boy1.name = 'tong';
    
            let girl1: Girl = new Girl();
            girl1.name = 'xiao xue';
    
            // 注册监听事件 第四个参数是冒泡 ,最后一个参数是优先级 数字越大越优先处理
            boy1.addEventListener(DataEvent.DATE, girl1.getDate, girl1, false, 10);
    
            //检测监听器
            if (boy1.hasEventListener(DataEvent.DATE)) {
                console.log('已经注册');
            }
    
            // 邀请函数 
            boy1.order();
            // 移除监听器
            boy1.removeEventListener(DataEvent.DATE, girl1.getDate, girl1);
            if (!boy1.hasEventListener(DataEvent.DATE)) {
                console.log('未注册');
            }
        }
    
    }
    
    //8. 事件类
    class DataEvent extends egret.Event {
        public static DATE: string = '约会';
        public _year: number = 0;
        public _month: number = 0;
        public _date: number = 0;
        public _where: string = '';
        public _todo: string = '';
    
        //type: string 事件类型
        // bulles: boolean = false :指定是否参与冒泡阶段
        // cancelable: boolean = false : 是否取消掉事件的 event 事件 
        public constructor(type: string, bulles: boolean = false, cancelable: boolean = false) {
            super(type, bulles, cancelable);
        }
    }
    class Boy extends egret.Sprite {
        public constructor() {
            super();
        }
        public order() {
            let daterEvent: DataEvent = new DataEvent(DataEvent.DATE);
            daterEvent._year = 2018;
            daterEvent._month = 7;
            daterEvent._date = 21;
            daterEvent._where = '家里';
            daterEvent._todo = '学习';
            //发送请求事件
            this.dispatchEvent(daterEvent);
        }
    }
    
    class Girl extends egret.Sprite {
        public constructor() {
            super();
        }
        public getDate(event: DataEvent): void {
            console.log('收到了:' + event.target.name + '的邀请');
            console.log('希望在:' + event.target._year + '年' + event.target._month + '月' + event.target._date + '日' + event.target._where + event.target._todo);
        }
    }
    
    //9. 事件实例 填加事件 案例
    class TouchEventTest1 extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        public spr: egret.Sprite; // 定义变量类型
    
        private onAddToStage(event: egret.Event) {
    
            this.drawText();
            this.spr = new egret.Sprite();
            this.spr.graphics.beginFill(0x465112);
            this.spr.graphics.drawRect(0, 0, 50, 50);
            this.spr.graphics.endFill();
            this.spr.x = 100;
            this.spr.y = 100;
    
            this.addChild(this.spr);
            // this.drawContent();
            this.spr.touchEnabled = true;//开启点击
            this.spr.addEventListener(egret.TouchEvent.TOUCH_TAP, this.onTouch, this);
        }
        private onTouch(event: egret.Event): void {
            this.txt.text = '点击了小方块';
        }
    
        //绘制文本
        private txt: egret.TextField;
        private drawText(): void {
            this.txt = new egret.TextField();
            this.txt.text = '点击';
            this.txt.width = 200;
            this.txt.height = 200;
            this.txt.size = 12;
            this.txt.textColor = 0x00ff00;
            this.txt.textAlign = egret.HorizontalAlign.CENTER;
            this.txt.x = 100;
            this.txt.y = 100;
            this.addChild(this.txt);
    
        }
    }
    
    //10. 绘图
    
    class GraphicsTest extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            let shp: egret.Shape = new egret.Shape();
            shp.graphics.beginFill(0x123212, 0.8); //可设置透明度
            shp.graphics.lineStyle(10, 0x455333);
            shp.graphics.drawRect(150, 150, 50, 50); //绘制矩形
            // shp.graphics.drawCircle(0, 0, 50);// 绘制圆形
            shp.graphics.endFill();
            this.addChild(shp);
            this.drawLine();
            this.drawCurve();
        }
        //lineStyle 设置当前区域的外边框 
    
    
        // 绘制直线
        private drawLine(): void {
            let shp1: egret.Shape = new egret.Shape();
            shp1.graphics.lineStyle(1, 0x00ff00);
            shp1.graphics.moveTo(0, 0);//起点
            shp1.graphics.lineTo(50, 50);//终点
            shp1.graphics.lineTo(30, 25);//终点
            shp1.graphics.lineTo(10, 55);//终点
            shp1.graphics.lineTo(11, 55);//终点
            shp1.graphics.lineTo(99, 0);//终点
    
            shp1.graphics.endFill();
            this.addChild(shp1);
        }
    
        // 曲线的形成
        private drawCurve(): void {
            let shp2: egret.Shape = new egret.Shape();
            shp2.graphics.lineStyle(3, 0x00ff00);
            shp2.graphics.moveTo(100, 100);//起点
            shp2.graphics.curveTo(200, 200, 400, 50);// 曲线的形成
            shp2.graphics.endFill();
            this.addChild(shp2);
    
        }
    }
    
    //11.文本  
    class MayTest extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            let laber: egret.TextField = new egret.TextField();
            laber.text = '这是一个文本域';
            laber.textColor = 0x000000;
            laber.width = 400;//设置宽度
            // laber.height=100;//设置高度
            // laber.fontFamily='KaiTi';//字体
            this.addChild(laber);
            console.log(laber.width + ':' + laber.height);
    
            //文字的布局
            laber.textAlign = egret.HorizontalAlign.RIGHT;
            //设置ziti
            laber.bold = true; //粗体   等等
            laber.italic = true;//斜体  等等
        }
    }
    //12. 动画
    //01.MovieClip 序列帧动画 影片剪辑
    
    class MyTweenAnim extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            let shp: egret.Shape = new egret.Shape();
            shp.graphics.beginFill(0x00ff00);
            shp.graphics.drawRect(0, 0, 100, 100);
            shp.graphics.endFill();
            this.addChild(shp);
    
            //动画处理 类 egret.Tween
            let tweeen = egret.Tween.get(shp);
            tweeen.to({
                x: 300,//x坐标
                y: 300 //y 坐标
            }, 2000);
        }
    }
    
    //13 计时器
    class MyTimer1 extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
    
        /**
         * 2个属性 delay, repeatCount
         * 3个方法 start, reset, stop
         * 2个事件 TimerEvent.TIMER, TimerEvent.TIMER_COMPLETE
         */
        private onAddToStage(event: egret.Event) {
            let timer: egret.Timer = new egret.Timer(1000, 5);//间隔1000 执行5次
            //注册监听事件
            timer.addEventListener(egret.TimerEvent.TIMER, this.timerFunc, this);
            timer.addEventListener(egret.TimerEvent.TIMER_COMPLETE, this.timerComFunc, this);
            timer.start();
            // timer.stop();
        }
        private timerFunc() {
            console.log('计时开始')
        }
        private timerComFunc() {
            console.log('计时结束')
        }
    }
    
    // 14.位图纹理
    class MyBitMay1 extends egret.DisplayObjectContainer {
        public constructor() {
            super()
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            //完成 预加载 
            RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.configEvent, this);
            // 预加载
            // RES.addEventListener(RES.ResourceEvent.GROUP_PROGRESS,this.addImage,this);
            RES.loadConfig('resource/default.res.json', 'resource/');// 具体路径 补充
    
        }
        private configEvent(event: egret.Event) {
            RES.removeEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.configEvent, this);
            RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.addImage, this);
            RES.loadGroup('button');
        }
        private addImage() {
            let img1: egret.Bitmap = new egret.Bitmap();
            img1.texture = RES.getRes('btn1');//获取资源 同步获取资源
            this.addChild(img1);//设置优先级
        }
        /**获取资源
         * getRes() 同步获取
         * getResAsync() 从缓存加载 如果没有则通过网络获取
         * getResByUrl() 网络获取
         */
    
    }
    //资源 加载
    //资源加载模块 RES 模块是一套完善的资源加载模块
    //资源加载配置 可以配置资源组
    
    //15.九宫格的使用
    class MyPic extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            // this.addEventListener(egret.Event.ADDED_TO_STAGE,this.onAddToStage,this);
        }
        // private async onAddToStage(event:egret.Event){
        // RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE,this.addImage,this);
        // await RES.loadConfig('resource/assets/toolt.png','resource/')
        // await RES.loadGroup('toolt2');
        // }
        private addImage() {
            // let img:egret.Bitmap = new egret.Bitmap();
            // img.texture = RES.getRes("toolt");
            // this.addChild(img);
    
            // img.x = 150;
    
            // let img1:egret.Bitmap = new egret.Bitmap();
            // img1.texture = RES.getRes("toolt");
            // //使用九宫格
            // let rect:egret.Rectangle = new egret.Rectangle(30,31,40,41);
            // img1.scale9Grid = rect;
            // // img1.height *= 2; 
    
            // console.log(img1.width);
            // console.log(img1.height);
            // img1.x = 50;
            // img1.y = 200;
            // this.addChild(img1);
        }
    
    }
    
    // 14.位图纹理
    class MyBitMay2 extends egret.DisplayObjectContainer {
        public constructor() {
            console.log('MyBitMay23');
    
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            RES.addEventListener(RES.ResourceEvent.GROUP_PROGRESS, this.addImage, this);
    
            try {
                const loadingView = new LoadingUI();
                this.stage.addChild(loadingView);
                RES.loadConfig("resource/default.res.json", "resource/");
                RES.loadGroup("preload", 0, loadingView);
                this.stage.removeChild(loadingView);
            }
            catch (e) {
                console.error(e);
            }
        }
        private addImage() {
            console.log('MyBitMay2');
            let img1: egret.Bitmap = new egret.Bitmap();
            img1.texture = RES.getRes('description_json');//获取资源 同步获取资源
            img1.fillMode = egret.BitmapFillMode.REPEAT;
            this.addChild(img1);//设置优先级
    
        }
    
        /**获取资源
         * getRes() 同步获取
         * getResAsync() 从缓存加载 如果没有则通过网络获取
         * getResByUrl() 网络获取
         */
    
    }
    // 使用雪碧图
    class MyMaps extends egret.DisplayObjectContainer {
        public constructor() {
            super();
            this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
        }
        private onAddToStage(event: egret.Event) {
            RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.addImg, this);
            RES.loadConfig("resource/default.res.json", "resource/");
            RES.loadGroup("lg");//倒入 纹理集生成的 .json
        }
        private addImg() {
            let imgs: egret.SpriteSheet = RES.getRes("logo");//引入需要的img部分
            let img: egret.Bitmap = new egret.Bitmap();
            img.texture = imgs.getTexture("toolt");
            this.addChild(img);
        }
    }
    

      

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  • 原文地址:https://www.cnblogs.com/tongbiao/p/9369001.html
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