<p>I was in my elevator when i saw this... <a href="https://i.sstatic.net/7JbXE.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7JbXE.jpg" alt="enter image description here"></a></p>

<p>As you can see here that reflections are kind of stretched. What causes this? And how can we achieve something like this in computer graphics?</p>

CC BY-SA 3.0
2017-03-27T05:37:09.193Z
That is an anisotropic specular reflection (dominant in 1 direction), an effect usually from brushed metals.
PaulHK
CC BY-SA 3.0
2017-03-27T06:34:22.613Z
check here > http://sungsoo.github.io/papers/brdf-mdf.pdf
PaulHK
<opengl><algorithm><reflection>
How can i achieve reflections like this?
videogamechef
# How can i achieve reflections like this?

(Asked by: username_0 on 2017-03-27)

I was in my elevator when i saw this... [![enter image description here](https://i.sstatic.net/7JbXE.jpg)](https://i.sstatic.net/7JbXE.jpg)

As you can see here that reflections are kind of stretched. What causes this? And how can we achieve something like this in computer graphics?

**Tags:** opengl, algorithm, reflection

> **Comments:**
> **username_1**: That is an anisotropic specular reflection (dominant in 1 direction), an effect usually from brushed metals.  
> **username_1**: check here > http://sungsoo.github.io/papers/brdf-mdf.pdf  

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## 0 answers

