ActionGraph: Visual Scripting with Nodes, Links, and Control Flow
ActionGraph is s&box's visual scripting language. Each node describes an action or expression, and links between nodes carry values or signals. No C# coding req…
Explore the Engine - s&box Documentation
Explore the Engine Learn how s&box works by exploring the testbed and understanding the core concepts. Play Testbed Start s&box (not the editor) and find the ga…
ActionGraph — visual scripting with action nodes, delegates, and C# integration
ActionGraph — Visual Scripting ActionGraph is s&box's visual scripting system. Nodes represent actions or expressions, and links carry values or signals between…
Unit Tests - s&box Documentation
Official s&box documentation for Unit Tests - automated testing. Unit Tests covers writing and running tests for s&box code. Tests can verify component behavior…
Code Upgrader Diagnostics: SBOX001-SBOX007 and SB3000 Roslyn Analyzer Warnings
Code Upgrader Diagnostics: s&box Roslyn Analyzer Warnings s&box ships a Roslyn analyzer () that warns about deprecated patterns and auto-fixes them. These appea…
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…
s&box Easing Functions: Sandbox.Utility.Easing — Quadratic, Exponential, Bounce, Sine, and CSS-Style Name Lookup
s&box Easing Functions: Sandbox.Utility.Easing for Transitions and Animations provides standard easing functions used throughout s&box's UI system and available…
Dedicated Servers - s&box Documentation
Official s&box documentation for dedicated server hosting. Dedicated Servers covers running s&box games on headless servers. Running Local Projects explains tes…
Hotloading: Live Code Reload Without Editor Restart in s&box
s&box hotloading recompiles and live-reloads code when you save or files, without restarting the editor. How It Works IL Hotload (Fast): If only method bodies c…
DecalDefinition: PBR Decal Assets with Color, Normal, and Parallax
A DecalDefinition in s&box holds what a single decal should look like. It describes color, normals, roughness, metalness, ambient occlusion, and optional parall…
Triggers: Non-Blocking Collision Detection with ITriggerListener
A trigger is a collider that detects when other physics objects enter or exit it without blocking their movement. Useful for pickup zones, death planes, checkpo…
Animation System: Animgraph, Skeletal Animation, IK, and Ragdolls
s&box uses Valve's Animgraph system for character animation, providing a powerful node-based animation state machine. Key Features Animgraph — node-based animat…
Playing Sounds: SoundEvent, SoundHandle, and GameObject Audio in s&box
s&box provides several ways to play sounds in code: fire-and-forget at a world position, control via SoundHandle, attach to a GameObject, or use scene component…
Async Components: Coroutine-Style Async Tasks on the Main Thread
Async tasks in s&box run on the main thread by default, operating like coroutines. They are the recommended replacement for coroutines in s&box. Basic Async Fra…
HTTP Requests: Async GET, POST, and JSON with the Static Http Class
s&box provides a static class for creating asynchronous HTTP requests (GET, POST, DELETE, etc.) with JSON content and response parsing. URL Restrictions Only or…
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 …
Navigation: Recast NavMesh Generation and Pathfinding in s&box
s&box implements Recast Navigation (the industry standard used in Unreal, Unity, and Godot) for navmesh generation and navigation agents. What is a NavMesh? A s…
NavMesh Agent: AI Pathfinding Component with Crowd Control
The s&box NavMeshAgent component moves GameObjects along the NavMesh automatically with built-in crowd control to avoid collisions between agents. Component Set…
Razor Panels: HTML/CSS UI with C# in s&box PanelComponent System
s&box Razor Panels use web-like HTML/CSS syntax with C# for UI creation. Panels are rendered natively (not via HTML renderer) — the syntax is a convenience laye…
Cloud Assets: Using sbox.game Models, Textures, and Sounds in Your Project
s&box provides access to a large selection of cloud assets (textures, models, sounds) from sbox.game without manual downloading or mounting. Cloud Browser Drag …