babylon.js如何访问其功能之外的网格 [英] babylon.js how to get access to a mesh outside of it's function

问题描述

我只是无法访问巴比伦网.每当我尝试运行代码时，我都会得到这个错误.

I just cant get access to the babylon mesh. Everytime I try to run the code I get this error.

我尝试了两种不同的方法:

I've tried it with two different approaches:

示例1:

var carTest;
BABYLON.SceneLoader.ImportMesh("", "assets/", "car.obj", scene, function(object) {
        carTest = object[0];
    });
carTest.position.x = 10;

示例2:

var carTest = BABYLON.SceneLoader.ImportMesh("", "assets/", "car.obj", scene);
carTest.position.x = 10;

推荐答案

如果您知道async/await的概念，则可以使用async函数代替使用带有回调函数的syncn方法.

Instead of using the synchron method with callback function you could use the async function if you know the concept of async / await.

示例:

const data = await SceneLoader.ImportMeshAsync("", "assets/", "car.obj", scene);
const carMeshes = data.meshes;

如果您知道只有一个有孩子，则可以访问[0]，否则可能需要合并网格.取决于您要做什么.

If you know there is only one with children you could access [0] otherwise you may need to merger the meshes. Depends on what you want to do.

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