# Fragment shader question

**URL:** <https://discourse.threejs.org/t/fragment-shader-question/44763>\
**Category:** Questions\
**Tags:** shaders\
**Created:** [November 16, 2022, 9:10am UTC](https://discourse.threejs.org/t/fragment-shader-question/44763 "2022-11-16T09:10:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Bretto](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/bretto/32/30614_2.png) [@Bretto](https://discourse.threejs.org/u/Bretto)\
**Post date:** [November 16, 2022, 9:10am UTC](https://discourse.threejs.org/t/fragment-shader-question/44763/1 "2022-11-16T09:10:59Z")

</div>

> **[얼마나 남았니?](https://wiss.tistory.com/469)**
>
> index48 import { FragmentShader, Texture, Uniform } from 'https://cdn.skypack.dev/wtc-gl@1.0.0-beta.23'; const shaderF = document.querySelector('#fragShader').innerText; const FSWrapper = new FragmentShader({ fragment: shaderF }); const { gl,...

I am not sure what I am looking at but I would like to learn. I have seen this effect used on Twitter with multiple line and different colors. Is there some examples of this done in Threejs ? And if someone can tell me what it is it would help me in my studies thanks.