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godot-shaders

// Godot shading language skill for visual shaders, custom rendering, and material effects.

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updated:March 4, 2026

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SKILL.md Frontmatter

namegodot-shaders

descriptionGodot shading language skill for visual shaders, custom rendering, and material effects.

allowed-toolsRead, Grep, Write, Bash, Edit, Glob, WebFetch

Godot Shaders Skill

Shader development for Godot Engine.

Overview

This skill provides capabilities for creating shaders using Godot's shading language and visual shader system.

Capabilities

Shader Types

Spatial shaders (3D)
Canvas Item shaders (2D)
Particles shaders
Sky shaders

Visual Shaders

Node-based authoring
Custom nodes
Shader presets
Export to code

Shader Language

GLSL-like syntax
Built-in functions
Uniforms and varyings
Render modes

Effects

Post-processing
Material effects
Screen-space effects
Procedural textures

Prerequisites

Godot 4.0+
Shader knowledge

Usage Patterns

Spatial Shader

shader_type spatial;

uniform vec4 albedo_color : source_color = vec4(1.0);
uniform float metallic : hint_range(0, 1) = 0.0;
uniform float roughness : hint_range(0, 1) = 0.5;

void fragment() {
    ALBEDO = albedo_color.rgb;
    METALLIC = metallic;
    ROUGHNESS = roughness;
}

Canvas Item Shader

shader_type canvas_item;

uniform float outline_width = 2.0;
uniform vec4 outline_color : source_color = vec4(0.0, 0.0, 0.0, 1.0);

void fragment() {
    vec4 color = texture(TEXTURE, UV);
    // Outline logic
    COLOR = color;
}

Best Practices

Use visual shaders for prototyping
Optimize texture samples
Handle precision carefully
Profile shader complexity
Test on target hardware

References

Godot Shaders