Godot-PS1-Shader-Mixer

Visual post-process shader mixer plugin for Godot 4. Mix retro effects in real-time without touching code.

# PS1 Shader Mixer — Godot 4 Plugin

A visual post-process shader mixer for Godot 4 with real-time preview. Mix and combine retro effects directly from the editor without touching any code.

## Features

- 7 customizable effects with sliders

- Real-time preview with scene capture

- Load any image as preview reference

- Drag & drop image support

- Preset configurations (PS1, VHS, Game Boy)

- Export ready-to-use .gdshader files

- Adaptive resolution

## Effects

- **Dithering** — classic ordered dithering

- **Scanlines** — CRT horizontal lines

- **Chromatic Aberration** — RGB color fringing

- **VHS Noise** — analog video noise

- **Color Quantization** — PS1-style color reduction

- **Pixelate** — resolution downscaling

- **CRT Curvature** — screen warping effect

## Installation

1. Download or clone this repository

2. Copy the addons/ps1\_shader\_mixer folder into your Godot project

3. Go to **Project → Project Settings → Plugins**

4. Enable **PS1 Shader Mixer**

5. The panel will appear in the editor dock

## Usage

1. Open the **PS1 Shader** panel from the editor dock

2. Adjust effects and sliders to your liking

3. Use **Capture scene** to preview with your current scene

4. Or drag & drop any image onto the panel

5. Apply a preset or mix effects manually

6. Click **Export shader** to save your configuration

## Using the exported shader

1. Add a ColorRect node to your scene

2. Set its layout to **Full Rect**

3. Assign a new ShaderMaterial to it

4. Load your exported .gdshader file

5. Make sure the ColorRect is the **last child** in the scene tree so it renders on top of everything

## License

MIT License — free to use in personal and commercial projects.