JMA

Hmmm, it's weird, seems it stopped after download the first hdr cube texture: https://github.com/but0n/Ashes/blob/master/bvh.html#L94 It should be like this: 

I tried again with following command and it works fine: ``` git clone --recursive https://github.com/but0n/Ashes.git a2 && cd a2 && yarn && yarn dev ``` Can you visit this website...

Thank you, can you go to the `gltfsamples` folder see is there has `DamagedHelmet.glb`?

Thank you, I will find a similar environment and try to figure out what's going on.

@Muini Yeah, I haven't upload HDR textures yet due to certain reasons, can you check out `568bb22` ? That version doesn't requires extra HDR textures. Thank you!

Thanks for your feedback! It should be fixed in the latest version.

http://blog.csdn.net/zujack/article/details/52460227 https://www.jianshu.com/p/bfc8327eaad3  和WebGL相反, ol3d使用**行主序**(Row major), 左乘 ```c void ol3d_matrix_multi_v3(ol3d_Vector3_t *a, ol3d_matrix_t b) { ol3d_matrix_t temp = {a->x, a->y, a->z, 1}; ol3d_matrix_t result; for(unsigned char i = 0; i <...

## LookAt [右手坐标系下LookAt视图矩阵的推导](https://www.cnblogs.com/bluebean/p/5275541.html) [详解MVP矩阵之ViewMatrix](http://blog.csdn.net/silangquan/article/details/50987196)

http://learnopengl-cn.readthedocs.io/zh/latest/01%20Getting%20started/08%20Coordinate%20Systems/