Warning!

!! INCLUDES FLASHING COLORS !!

About

"Mathematically Unplayable" is an experimental shaderpack for Minecraft: Java Edition designed for OptiFine. It dramatically alters the game's visual presentation by applying a series of mathematical transformations to world geometry, textures, and screen output. This pack is intended for users interested in exploring extreme visual effects, understanding shader capabilities, and experiencing Minecraft in a uniquely distorted and chaotic way. Visual examples showcasing the shader's transformative style can be found in the "Gallery" section.

Showcase

2.0.0:

Core Features & Visual Effects

This shaderpack is built around two main stages of visual manipulation, controlled by a global "Mess Intensity" slider:

1. GBuffer Stage - World Deformation (Static):

   • Terrain Geometry Warping: Vertex shaders significantly displace terrain vertices using trigonometric functions based on their original positions and the "Mess Intensity" setting. This results in a permanently fractured, warped, and unpredictable landscape.
   • Texture Coordinate Distortion: Texture coordinates for terrain blocks are manipulated, causing textures to swim, stretch, and misalign on block surfaces.
   • Depth Buffer Alteration: The fragment shader for terrain intentionally writes chaotic depth values, leading to extreme Z-fighting, objects rendering through each other, and a general breakdown of spatial coherence.

2. Composite Stage - Post-Processing Effects (Animated):

   • Screen-Space Coordinate Distortion: The entire rendered frame is subject to animated distortions, including swirling patterns around the screen center and undulating waves that warp the view.
   • Psychedelic Color Transformation: Color channels (RGB) are dynamically modulated using time-based (ftime) trigonometric functions, resulting in constantly shifting, vibrant, and unpredictable color palettes across the screen.
   • Glitch & Scanline Overlays: Includes effects like periodic color channel swapping (e.g., RGB to GBR) and animated horizontal scanlines to further enhance the "broken" aesthetic.

Key Technical Highlights & Customization

• Slider: A single, easily accessible slider (0-100) allows users to fine-tune the overall magnitude of all visual distortions and color effects, from subtle to extreme.
• Button Switches:
  There are 3 buttons, used to turn gbuffers_terrain, gbuffers_skybasic and composite ON/OFF
• Educational Focus: All GLSL shader files (.vsh, .fsh, settings.glsl) are extensively commented (with AI assistance) to explain the code logic and the techniques used. This is intended to serve as a learning resource for those interested in shader development and modification.

Feedback & Support:

Found an issue or have a suggestion? Please report it here: Issue Tracker

Installation

• Modrinth launcher:

1. Open the mathematically unplayable shader page.
2. Click install.
3. Choose instance.
4. Start the game.

• Official launcher:

1. Open the mathematically unplayable shader page.
2. Download the "Mathematically Unplayable" shaderpack ZIP file.
3. Place the ZIP file into your Minecraft shaderpacks folder:
4. Start the game