三.js 加载 obj/mtl 呈现黑色 [英] three.js load obj/mtl renders black

问题描述

我正在尝试将一个相当复杂的 .obj 文件加载到three.js 中.代码如下:

I'm trying to load a fairly complex .obj file into three.js. Here's the code:

    // Load obj file
    var loader = new THREE.OBJMTLLoader();
    loader.load('MQ-9.obj', 'MQ-9.mtl', function(object) {
            scene.add(object);
    });

MQ-9.mtl 文件指的是在物体(MQ-9 Predator 无人机)不同位置使用的三个图像.我可以很好地加载对象，但它是全黑的.图像似乎没有加载.我做错了什么?

The MQ-9.mtl file refers to three images that are used on various places of the object (which is an MQ-9 Predator drone). I can load the object fine but its all black. The images don't appear to be loading. What am I doing wrong?

推荐答案

如果您加载一个模型并呈现黑色，则可能有多种原因，其中一些包括您的模型问题.确保您没有控制台错误.

If you load a model and it renders black, there can be several possible causes, some of which include problems with your model. Make sure you have no console errors.

除此之外，最常见的两个原因是:

Other than that, the two most common causes are:

1. 场景中缺少灯光

1. a lack of lights in the scene

在加载所有资源之前渲染场景

rendering the scene before all assets load

three.js r.67

three.js r.67

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