# About Simple Shader One

{% hint style="success" %}
**Shader:** Data that can change the atmosphere of Minecraft. To apply it, you need a prerequisite MOD called Iris or Optifine, and in the case of Iris, you also need to install the Iris prerequisite MOD.
{% endhint %}

## Overview

The shader introduced on this site is "Simple Shader One".

This shader is lightweight because it only puts round shadows.

It's not perfect, but you can enjoy a different atmosphere from vanilla.

## How to install

The installation method is described on the next page.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://daiyaneko.gitbook.io/simple-shader-one/about-simple-shader-one.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.