{"id":674,"date":"2019-12-08T16:58:29","date_gmt":"2019-12-08T08:58:29","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=674"},"modified":"2019-12-08T16:58:29","modified_gmt":"2019-12-08T08:58:29","slug":"egret%e5%9f%ba%e7%a1%80-%e6%8b%96%e6%8b%bd%e6%a3%80%e6%b5%8b%e4%b8%8e%e5%9b%be%e7%89%87%e5%8f%98%e6%8d%a2","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=674","title":{"rendered":"egret\u57fa\u7840-\u62d6\u62fd\u68c0\u6d4b\u4e0e\u56fe\u7247\u53d8\u6362"},"content":{"rendered":"


\nclass Move extends egret.Sprite {
\n private static shared: Move;
\n public static getInstance() {
\n if (!Move.shared) {
\n Move.shared = new Move();
\n }
\n return Move.shared;
\n }
\n public constructor() {
\n super();
\n this.drawGrid();
\n }
\n private offsetX: number;
\n private offsetY: number;
\n private circle: egret.Shape;
\n private areaPic: egret.Bitmap;<\/p>\n

private drawGrid() {<\/p>\n

this.addPicArea()<\/p>\n

\/\/\u753b\u4e00\u4e2a\u7ea2\u8272\u7684\u5706
\n this.circle = new egret.Shape();
\n this.circle.graphics.beginFill(0xff0000);
\n this.circle.graphics.drawCircle(25, 25, 25);
\n this.circle.graphics.endFill();
\n this.addChild(this.circle);
\n \/\/\u624b\u6307\u6309\u5230\u5c4f\u5e55\uff0c\u89e6\u53d1 startMove \u65b9\u6cd5
\n this.circle.touchEnabled = true;
\n this.circle.addEventListener(egret.TouchEvent.TOUCH_BEGIN, this.startMove, this);
\n \/\/\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\uff0c\u89e6\u53d1 stopMove \u65b9\u6cd5
\n this.circle.addEventListener(egret.TouchEvent.TOUCH_END, this.stopMove, this);
\n }<\/p>\n

private startMove(e: egret.TouchEvent): void {
\n \/\/\u8ba1\u7b97\u624b\u6307\u548c\u5706\u5f62\u7684\u8ddd\u79bb
\n this.offsetX = e.stageX - this.circle.x;
\n this.offsetY = e.stageY - this.circle.y;
\n \/\/\u624b\u6307\u5728\u5c4f\u5e55\u4e0a\u79fb\u52a8\uff0c\u4f1a\u89e6\u53d1 onMove \u65b9\u6cd5
\n this.stage.addEventListener(egret.TouchEvent.TOUCH_MOVE, this.onMove, this);
\n }
\n private stopMove(e: egret.TouchEvent) {
\n \/\/ console.log(e, e.target, 222);
\n let ax1 = this.areaPic.x;
\n let ax2 = this.areaPic.x + this.areaPic.width;<\/p>\n

let ay1 = this.areaPic.y;
\n let ay2 = this.areaPic.y + this.areaPic.height;<\/p>\n

if (e.target.x > ax1 && e.target.x < ax2 && e.target.y > ay1 && e.target.y < ay2) {\n console.log('\u5728\u5bb9\u5668\u5185')\n } else {\n console.log('\u4e0d\u5728\u5bb9\u5668')\n }\n \/\/\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\uff0c\u79fb\u9664\u624b\u6307\u79fb\u52a8\u7684\u76d1\u542c\n this.stage.removeEventListener(egret.TouchEvent.TOUCH_MOVE, this.onMove, this);\n }\n private onMove(e: egret.TouchEvent): void {\n \/\/\u901a\u8fc7\u8ba1\u7b97\u624b\u6307\u5728\u5c4f\u5e55\u4e0a\u7684\u4f4d\u7f6e\uff0c\u8ba1\u7b97\u5f53\u524d\u5bf9\u8c61\u7684\u5750\u6807\uff0c\u8fbe\u5230\u8ddf\u968f\u624b\u6307\u79fb\u52a8\u7684\u6548\u679c\n this.circle.x = e.stageX - this.offsetX;\n this.circle.y = e.stageY - this.offsetY;\n }\n private addPicArea() {\n this.areaPic = this.createBitmapByName('egret_icon_png');\n this.areaPic.x = 300; this.areaPic.y = 400\n this.addChild(this.areaPic);\n }\n private createBitmapByName(name: string): egret.Bitmap {\n let result = new egret.Bitmap();\n let texture: egret.Texture = RES.getRes(name);\n result.texture = texture;\n return result;\n }\n}\n<\/code><\/p>\n

this.addChild( Move.getInstance() );<\/p>\n","protected":false},"excerpt":{"rendered":"

class Move extends egret.Sprite { private static shared […]<\/p>\n","protected":false},"author":1,"featured_media":469,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[15],"_links":{"self":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/674"}],"collection":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=674"}],"version-history":[{"count":1,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/674\/revisions"}],"predecessor-version":[{"id":675,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/674\/revisions\/675"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/media\/469"}],"wp:attachment":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=674"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}