assimp2json | JSON exporter for Open Asset Import Library | Graphics library

I'm making a webgl demo with md2 models. I know that it is an old format but I need to use only md2.

I read the documentation for the md2 format.

I watched how this site works: and used part of it's sources in my program (i saved the author's name in the comments)

I made vertex loading, the model loads great!

But when I'm trying to map the texutre, something strange happens:

First, I thought that it's the problem of fragment shader, but I made an export by using assimp2json, used the data from it and it was drawn as it should draw.

The problem is that assimp2json changed the order vertices in triangles and uvs order, so I can't debug the program using it.

Maybe, someone could help to find the bug, to point to the error in my code?

P. S. since there is no animation, I only use the first frame

The most interesting is that if I will pass unindexed data (just the uvs from the file) it looks more right than the indexed textures:

The problem is that it is wrong in some places, like here:

Full source code and models:

ShaderProgram.js