dragonbones-runtime/.cache/egret-core-5.1.0/tools/templates/wasm/src/Main.ts

the tools to build dragonbones file for diffrent framework

//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-present, Egret Technology.
//  All rights reserved.
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//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
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//       derived from this software without specific prior written permission.
//
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//////////////////////////////////////////////////////////////////////////////////////

class Main extends egret.DisplayObjectContainer {

    public constructor() {
        super();
        this.addEventListener(egret.Event.ADDED_TO_STAGE, this.onAddToStage, this);
    }

    private onAddToStage(event: egret.Event) {

        //初始化Resource资源加载库
        //initiate Resource loading library
        RES.addEventListener(RES.ResourceEvent.CONFIG_COMPLETE, this.onConfigComplete, this);
        RES.loadConfig("resource/default.res.json", "resource/");
    }

    /**
     * 配置文件加载完成,开始预加载preload资源组。
     * configuration file loading is completed, start to pre-load the preload resource group
     */
    private onConfigComplete(event: RES.ResourceEvent): void {
        RES.removeEventListener(RES.ResourceEvent.CONFIG_COMPLETE, this.onConfigComplete, this);
        RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.onResourceLoadComplete, this);
        RES.addEventListener(RES.ResourceEvent.GROUP_LOAD_ERROR, this.onResourceLoadError, this);
        RES.addEventListener(RES.ResourceEvent.GROUP_PROGRESS, this.onResourceProgress, this);
        RES.addEventListener(RES.ResourceEvent.ITEM_LOAD_ERROR, this.onItemLoadError, this);
        RES.loadGroup("preload");
    }

    /**
     * preload资源组加载完成
     * Preload resource group is loaded
     */
    private onResourceLoadComplete(event: RES.ResourceEvent) {
        if (event.groupName == "preload") {
            RES.removeEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.onResourceLoadComplete, this);
            RES.removeEventListener(RES.ResourceEvent.GROUP_LOAD_ERROR, this.onResourceLoadError, this);
            RES.removeEventListener(RES.ResourceEvent.GROUP_PROGRESS, this.onResourceProgress, this);
            RES.removeEventListener(RES.ResourceEvent.ITEM_LOAD_ERROR, this.onItemLoadError, this);
            this.createGameScene();
        }
    }

    /**
     * 资源组加载出错
     *  The resource group loading failed
     */
    private onItemLoadError(event: RES.ResourceEvent) {
        console.warn("Url:" + event.resItem.url + " has failed to load");
    }

    /**
     * 资源组加载出错
     *  The resource group loading failed
     */
    private onResourceLoadError(event: RES.ResourceEvent) {
        //TODO
        console.warn("Group:" + event.groupName + " has failed to load");
        //忽略加载失败的项目
        //Ignore the loading failed projects
        this.onResourceLoadComplete(event);
    }

    /**
     * preload资源组加载进度
     * Loading process of preload resource group
     */
    private onResourceProgress(event: RES.ResourceEvent) {
        if (event.groupName == "preload") {
        }
    }

    private icons: egret.Bitmap[] = [];

    /**
     * 创建游戏场景
     * Create a game scene
     */
    private createGameScene() {
        // this.stage.removeChild(this);
        let width = this.stage.stageWidth - 32;
        let height = this.stage.stageHeight - 32;
        for (let i = 0; i < 10000; i++) {
            let icon = this.createBitmapByName("star_png");
            icon.x = Math.random() * width;
            icon.y = Math.random() * height;
            this.addChild(icon);
            this.icons.push(icon);
        }

        this.stage.addEventListener(egret.Event.ENTER_FRAME, function () {
            let width = this.stage.stageWidth - 32;
            let length = this.icons.length;
            for (let i = 0; i < length; i++) {
                let icon = this.icons[i];
                icon.x += 4;
                if(icon.x > width) {
                    icon.x = 0;
                }
            }
        }, this);
    }

    /**
     * 根据name关键字创建一个Bitmap对象。name属性请参考resources/resource.json配置文件的内容。
     * Create a Bitmap object according to name keyword.As for the property of name please refer to the configuration file of resources/resource.json.
     */
    private createBitmapByName(name: string) {
        let result = new egret.Bitmap();
        let texture: egret.Texture = RES.getRes(name);
        result.texture = texture;
        return result;
    }
}