Question

当我点击控制面板上的“+”或“ - ”按钮时，我正在尝试放大/缩小。我让它向左，向右，向上，向下移动“tweenFunction”并且它有效。我试过了

viewer.scene.camera.zoom += 0.1;

这对我不起作用，因为我的代码中没有“camera”变量，只有查看器。这是我的代码

    setup();
    window.viewer = new Potree.Viewer(document.getElementById("potree_render_area"));

    viewer.setEDLEnabled(false);
    viewer.setFOV(60);
    viewer.setPointBudget(5*1000*1000);
    document.title = "";

    viewer.setBackground("gradient"); // ["skybox", "gradient", "black", "white"];
    viewer.loadSettingsFromURL();

    viewer.loadGUI(() => {
        viewer.setLanguage('en');
        $("#menu_scene").next().show();
        //viewer.toggleSidebar();
    });

    viewer.setDescription(`

    `);

    let sceneSG = new Potree.Scene();
    let sceneSG2 = new Potree.Scene();

    viewer.setScene(sceneSG);

  Potree.loadPointCloud("model.js", "model", function (e){

        sceneSG.addPointCloud(e.pointcloud);
        sceneSG.view.position.set(37.812, -26.781, 51.178);
        sceneSG.view.lookAt(new THREE.Vector3(-53.587, 33.834, 28.864));


        let material = e.pointcloud.material;
        material.size = 1;
        material.pointSizeType = Potree.PointSizeType.ADAPTIVE;

    });

Answer 1

您不能“直接”访问viewer.scene.camera，因为potree有两个摄像机（一个透视图和一个正交图）。但是您可以使用此功能访问活动摄像机：

class User extends Authenticatable
{
    use Notifiable;

    ...

    public function instagramPages()
    {
        return $this->hasMany(InstagramAccount::class);
    }
}

因此，如果您要放大，可能看起来像这样：

viewer.scene.getActiveCamera()

Potree放大/缩小点击

1 个答案: