[0]texture2D的setPixel纹理rgba数据之后会随着窗口的缩放，渐变成黑色

export class Texture2dTest

{

    private sprite3D:Laya.Sprite3D;

    private readonly AllPng:string[] = ["pic-001.png","output-06.png"];

    private texture:Laya.Texture2D;

    private box;

    constructor(){

        Laya3D.init(0, 0);

		Laya.stage.scaleMode = Laya.Stage.SCALE_FULL;

		Laya.stage.screenMode = Laya.Stage.SCREEN_NONE;

		Laya.Stat.show();

		

		var scene = Laya.stage.addChild(new Laya.Scene3D()) as Laya.Scene3D;

		

		var camera = scene.addChild(new Laya.Camera(0, 0.1, 0)) as Laya.Camera;

		camera.transform.translate(new Laya.Vector3(0, 2, 20));

		camera.transform.rotate(new Laya.Vector3(-15, 0, 0), true, false);

		camera.clearColor = new Laya.Vector4(0.2, 0.2, 0.2, 1.0);

		

		var directionLight = scene.addChild(new Laya.DirectionLight()) as Laya.DirectionLight;

		//设置平行光的方向

		var mat = directionLight.transform.worldMatrix as Laya.Matrix4x4;

		mat.setForward(new Laya.Vector3(-1.0, -1.0, -1.0));

		directionLight.transform.worldMatrix=mat;

		

		this.sprite3D = scene.addChild(new Laya.Sprite3D()) as Laya.Sprite3D;

		

		//正方体

		var box = this.sprite3D.addChild(new Laya.MeshSprite3D(Laya.PrimitiveMesh.createPlane())) as Laya.MeshSprite3D;

		this.box = box;

        box.transform.position = new Laya.Vector3(0.0, 0.0, 0);

		box.transform.rotate(new Laya.Vector3(90, 0, 0), false, false);

        Laya.loader.load(this.AllPng,new Laya.Handler(this,this.onCallBack),null,Laya.Loader.BUFFER);



		Laya.stage.on(Laya.Event.KEY_DOWN,this,this.onKey);

        //########################################################################

    }



    private curStatus:boolean = false;

    

	private refreshCamera(){

        this.curStatus =!this.curStatus;

        let data:ArrayBuffer = Laya.Loader.getRes(this.AllPng[this.curStatus  ? 0: 1]);//pic-001

        const x2 = new Uint8Array(data);

        let p = new window['PNG'](x2);

        let getData =  p.decode();//rgba数组序列

        this.texture.setPixels(getData);

    }

    private onKey(e){

        if(e.keyCode == 49){

			this.refreshCamera();

			// this.updateUITexture(data);



		}else if(e.keyCode == 50){

			// let t = Laya.Loader.getRes(this.AllPng[0]);

			// console.log(t);

		}

    }



    private onCallBack(){

        var mater = new Laya.BlinnPhongMaterial();

		//new Laya.UnlitMaterial();

		//Laya.BlinnPhongMaterial();

		

		// const x2 = new Uint8Array(data);

		// let p = new window['PNG'](x2);

		// let getData =  p.decode();



		let texture:Laya.Texture2D = new Laya.Texture2D(544,960);//p.width,p.height

		this.texture = texture;

        this.refreshCamera();





		//在U方向上使用WARPMODE_CLAMP

		// texture.format = Laya.TextureFormat.ASTC10x10

		texture.wrapModeU = Laya.BaseTexture.WARPMODE_CLAMP;

		//在V方向使用WARPMODE_REPEAT

		texture.wrapModeV = Laya.BaseTexture.WARPMODE_CLAMP;

		//设置过滤方式

		texture.filterMode = Laya.BaseTexture.FILTERMODE_BILINEAR;

		//设置各向异性等级

		texture.anisoLevel = 2;

		// texture.setCompressData(data);

		

		mater.albedoTexture = texture;

		//修改材质贴图的平铺和偏移

		// var tilingOffset:Laya.Vector4 = mater.tilingOffset;

		// tilingOffset.setValue(2, 2, 0, 0);

		// mater.tilingOffset = tilingOffset;

		

		this.box.meshRenderer.material =mater;

    }



}