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The-PPWD committed Jan 27, 2021
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Hexaplex utilizes a process called Daltonization which has the following four steps.

* Convert the original image to one that simulates what a person with a color vision deficiency would perceive.
* Calculate the difference between the original image and the simulated one.
* Shift the color differences towards the visible spectrum of the user's vision deficiency.
* Correct the original image by adding the corrected differences to it.
* Convert the original color to one that simulates what a person with a color vision deficiency would perceive.
* Calculate the difference between the original color and the simulated one.
* Shift the difference towards the visible spectrum of the person's color vision deficiency.
* Correct the original color by adding the corrected difference to it.

On the technical side, Hexaplex uses OpenGL shaders and applies Daltonization as a post-processing filter.

## Examples

![](https://github.com/LazuriteMC/lazuritemc.github.io/blob/master/img/hexaplex_examples.png)

Clockwise from top-left: Normal, Protanomaly, Tritanomaly, Deuteranomaly. All examples images were taken with 50% strength and 50% skew.

## What does "Hexaplex" mean?

[Hexaplex](https://en.wikipedia.org/wiki/Hexaplex) is a genus of sea snail that was used by the Minoans,
Canaanites/Phoenicians, Hebrews, and classical Greeks in the production of rare blue and purple dyes.

## How to install

Hexaplex can be downloaded from Modrinth, CurseForge, or here on GitHub. It depends on [Mod Menu](https://github.com/TerraformersMC/ModMenu) in order to configure the settings as it defaults to not applying a filter.

## Special Thanks

Hexaplex wouldn't be possible without the following mods:
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