ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride by Tag, Per-Index Materials Accessor, and Attachments
ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride, and Materials Accessor provides several ways to override materials on a model. Global M…
Particle Effects System
Particle Effects System CPU-simulated, fully controllable particle system for effects like fire, smoke, sparks, and explosions. Architecture The particle system…
Playing Sounds - s&box Sound Documentation
Playing Sounds s&box provides multiple ways to play audio. From simple one-shots to complex 3D spatial audio with full control. SoundEvent Create reusable sound…
GameObjectSystem: Batch Processing and Execution Order Control
A GameObjectSystem lets you run logic at specific points during the frame for all components of a type, rather than relying on individual component Update metho…
Razor Panels: HTML/CSS UI with C# in s&box
s&box UI can be created using Razor syntax — web-like HTML/CSS combined with C#. Panels are not rendered via a HTML renderer; the syntax is a convenience layer …
Playing Sounds: SoundHandle, GameObject.PlaySound, and Audio Components
s&box provides several ways to play sounds: fire-and-forget at a position, controlled via , attached to a , or via scene components. SoundEvent Assets Sounds ar…
GameObject - s&box Documentation
GameObject A GameObject is the fundamental building block of scenes in s&box. GameObjects have a transform (position, rotation, scale), can have parents and chi…
Localization: Multi-Language Token System for UI Text
s&box supports localization via JSON token files. Any displayed string beginning with is treated as a localization token and automatically replaced with the use…
Localization (i18n)
Localization (i18n) Support multiple languages using localization tokens. How It Works Use tokens starting with in UI strings. The system replaces them based on…
Particle Effects: CPU-Simulated Programmable Particle System
The s&box particle system is CPU-simulated (multithreaded) and fully programmable via components. You can emit particles manually, iterate and modify them at ru…
Shaders in s&box - HLSL and Shading Models
Shaders in s&box - HLSL and Shading Models Write custom shaders in HLSL with Source 2's shading models, render states, and GPU instancing support. Shader Develo…
File System: Sandboxed Virtual Filesystems for Data Persistence
Standard .NET access is restricted in s&box. Instead, use the provided virtual filesystems that sandbox access to specific game directories. Available File Syst…
File System - s&box Assets Documentation
File System s&box provides several file systems for different purposes - data persistence, mounted content, and organization. File Systems Data File System For …
Localization: Token-Based Multi-Language UI Text in s&box
s&box supports localization through token-based string replacement. Any displayed string beginning with is recognized as a localization token and replaced with …
Decal Component: Projected Surface Effects with Random Variety
The s&box Decal component draws decals in the game world. It supports multiple DecalDefinitions for random variety without extra code. Setup Add a Decal compone…
Video - s&box Media Documentation
Video s&box can decode and play video files for cutscenes, UI elements, or in-world displays. VideoPlayer The VideoPlayer decodes video and exposes frames as a …
Graphics.Draw, Blit, DrawText, DrawIcon, and GrabFrameTexture — Custom Rendering APIs
Graphics.Draw and Graphics.Blit: Custom Rendering in s&box provides low-level rendering APIs for drawing custom geometry, screen-space quads, and text. All call…
Mapping - s&box Editor Documentation
Mapping s&box includes Hammer, the Source 2 level editor, for creating maps and environments. Build worlds with brushes, props, lighting, and gameplay entities.…
Tracing - s&box Physics Documentation
Tracing Tracing (raycasting) is the primary way to query the physics world in s&box. It allows you to cast rays or shapes through the scene to find collisions w…
Razor Panels - s&box Documentation
Official s&box documentation for Razor Panels - the UI layout system. Razor Panels use a familiar HTML-like syntax with C# code-behind for building game interfa…