LayaBox 摄像机Unit8Array数据获取、截图

LayaBox 本身可以直接利用数据渲染

 1 {
 2     let renderTextureWidth = 512;
 3     let renderTextureHeight = 512;
 4     let camera = this.scene.addChild(new Laya.Camera(0, 0.01, 500));
 5     camera.renderTarget = new Laya.RenderTexture(renderTextureWidth, renderTextureHeight);
 6     camera.renderingOrder = 0;
 7     camera.clearFlag = Laya.BaseCamera.CLEARFLAG_SOLIDCOLOR;
 8     this.scene3DImage = new Laya.Image();
 9     this.scene3DImage.source = new Laya.Texture(camera.renderTarget);
10     Laya.stage.addChild(this.scene3DImage);
11 }

View Code

但是如果需要获取相机数据的话，则调用它自带的函数getData()即可，如下

{
    let renderTextureWidth = 512;
    let renderTextureHeight = 512;
    let camera = this.scene.addChild(new Laya.Camera(0, 0.01, 500));
    camera.renderTarget = new Laya.RenderTexture(renderTextureWidth, renderTextureHeight);
    camera.renderingOrder = 0;
    camera.clearFlag = Laya.BaseCamera.CLEARFLAG_SOLIDCOLOR;
    this.scene3DImage = new Laya.Image();
    this.scene3DImage.source = new Laya.Texture(camera.renderTarget);
    Laya.stage.addChild(this.scene3DImage);

    let pixels = new Uint8Array(renderTextureWidth * renderTextureHeight * 4);
    this.camera.renderTarget.getData(0, 0, renderTextureWidth, renderTextureHeight, pixels);
    console.log(pixels);
}

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原文地址：https://www.cnblogs.com/huojiaoqingchun0123/p/15419906.html