Three.js - ply文件 - 为什么无色？ [英] Three.js - ply files - why colorless?

问题描述

我在目录中使用Three.js的示例：

I am using Three.js's example in the directory:

three.js/examples/webgl_loader_ply.html

我只是将他们的.ply文件换成了我的（用Blender制作）。

And I just swapped their .ply file with mine (made with Blender).

在Blender中，我选择了Vertex Paint>并绘制了顶点。在导出到.ply之前，我确保选中所有复选框。并且比例为100。

In Blender, I went Vertex Paint > and painted vertices. Before exporting to .ply, I made sure that all checkboxes where checked. And scale is 100.

但.ply模型在three.js的示例中呈现为蓝色。 （就像默认示例一样）。显然它是蓝色的，因为示例html文件中的代码：

But the .ply model renders as blue in the three.js's example. (just like the default example). And apparently it is blue because of this code in the example html file:

var geometry = event.content;
var material = new THREE.MeshPhongMaterial( { color: 0x0055ff, specular: 0x111111, shininess: 200 } );
var mesh = new THREE.Mesh( geometry, material );

我100％确定ply文件也保存了颜色值。但是，如果该代码使我的模型变成蓝色，我现在应该怎么做？或者我在Blender做错了什么？

I was 100% sure that ply files have color values saves as well. But, what am I supposed to do now if that code makes my model blue? Or did I do something wrong in Blender?

我对Three.js和webGL完全不熟悉，因为我昨天开始学习它。任何人都可以告诉我发生了什么以及接下来该做什么？

I am totally not familiar with Three.js and webGL because I started to learn it just yesterday. Can anyone enlighten me on what is going on and what to do next?

推荐答案

我错过了这个属性 vertexColors：THREE.VertexColors 。
一切都很好，Blender和除了酒店的代码。它现在按预期工作。

i was missing this property vertexColors: THREE.VertexColors. All was fine with Blender and the code apart from the property. It works as expected now.

以下是代码行的样子：

var material = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 200, vertexColors: THREE.VertexColors} );

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