godot-shaders

# 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 ```glsl 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 ```glsl 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 1. Use visual shaders for prototyping 2. Optimize texture samples 3. Handle precision carefully 4. Profile shader complexity 5. Test on target hardware ## References - [Godot Shaders](https://docs.godotengine.org/en/stable/tutorials/shad...