截图！长按保存分享！Cocos Creator_天天消息

import{_decorator,Component,Node,Camera,RenderTexture,view,UITransform,log,game,screen,NodeEventType}from"cc";const{ccclass,property}=_decorator;@ccclass("CaptureImage")exportclassCaptureImageextendsComponent{@property(Camera)copyCamera:Camera=null!;@property(Node)targetNode:Node=null!;@property(Node)captureBtn:Node=null!;@property(Node)closeBtn:Node=null!;rt:RenderTextureprivate_image:HTMLImageElement_canvas:HTMLCanvasElement=null!;_buffer:ArrayBufferView=null!;start(){log("欢迎关注微信公众号【白玉无冰】https://mp.weixin.qq.com/s/4WwCjWBtZNnONh8hZ7JVDA")this.rt=newRenderTexture();this.rt.reset({width:view.getVisibleSize().width,height:view.getVisibleSize().height,})this.copyCamera.targetTexture=this.rt;this.captureBtn.active=true;this.closeBtn.active=false;this.captureBtn.on(NodeEventType.TOUCH_END,this.copyRenderTex,this)this.closeBtn.on(NodeEventType.TOUCH_END,this.clearCapture,this)}privatecopyRenderTex(){constwidth=this.targetNode.getComponent(UITransform).width;constheight=this.targetNode.getComponent(UITransform).height;constanchorPoint=this.targetNode.getComponent(UITransform).anchorPoint;constworldPos=this.targetNode.getWorldPosition();this._buffer=this.rt.readPixels(Math.round(worldPos.x-width*anchorPoint.x),Math.round(worldPos.y-height*anchorPoint.y),width,height);if(!this._canvas){this._canvas=document.createElement("canvas");this._canvas.width=width;this._canvas.height=height;}else{letctx=this._canvas.getContext("2d");ctx.clearRect(0,0,this._canvas.width,this._canvas.height);}letctx=this._canvas.getContext("2d")!;letrowBytes=width*4;for(letrow=0;row
其他
最近写文偏笔记的形式，主要是记录一下代码，下次要用的时候再翻出来。希望对大家有所帮助。
参考资料
[1]
TRUE SPACE with Cocos 技术分享:https://forum.cocos.org/t/topic/146459
[2]
视频:https://www.bilibili.com/video/BV1w84y1N7XQ
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