NavMesh Areas — blocking and cost-modifying regions for AI pathfinding
NavMesh Areas components modify NavMesh generation and agent pathfinding costs within a defined region. Use them to create no-go zones, water areas, or danger z…
Beams - s&box Rendering Documentation
Beams Beam effects create animated lines between points - useful for lasers, lightning, energy beams, and trails. BeamEffect Component Create beams using the Be…
Sandbox.ParticleEffect
Sandbox.ParticleEffect Controls particle system playback. Overview ParticleEffect is the root component for playing particle effects (.vpcf files). Setup Playba…
Sandbox.Light
Sandbox.Light Illuminates the scene. Overview Light component adds dynamic lighting to GameObjects. Supports point, spot, and directional lights. Setup Light Ty…
Custom Snapshot Data - s&box Networking Documentation
Custom Snapshot Data For advanced networking, you can write and read custom data in network snapshots. This allows efficient synchronization of complex game sta…
s&box NpcConVars: Global NPC AI settings
NpcConVars Static Class NpcConVars is a static class that defines console variables controlling global NPC AI behavior in s&box. These ConVars can be set via co…
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 …
Engine Frame Loop Order: FrameStart, Scene Tick, and FrameEnd Sequence
Engine Frame Loop Order The s&box engine frame loop runs in a specific order each frame. Understanding this is important for knowing when your code runs relativ…
Physics Events - s&box Physics Documentation
Physics Events Receive callbacks for physics events in the scene. IScenePhysicsEvents Implement this interface on a component to receive scene-wide physics even…
TraceAttackInfo record struct
TraceAttackInfo Record Struct Information about a trace-based attack in s&box, used to pass attack data through the weapon system. Properties Target () - The Ga…
FindMode and Component Lookup: GetComponent, GetAll, ComponentList, and Hierarchy Search
FindMode and Component Lookup: GetComponent, GetAll, and ComponentList s&box uses a flags enum to control how component searches traverse the hierarchy. Underst…
Inspector Attributes: Group, Title, Icon, Range, InfoBox, Feature, and More
Inspector Attributes: Controlling How Properties Appear in the Editor s&box provides a rich set of attributes to control how component properties appear in the …
ActionGraph Component Actions - s&box Documentation
ActionGraph Component Actions Add ActionGraph behavior directly to GameObjects using the ActionGraph component. Component Actions The ActionGraph component lets…
Hotloading — live code reloading, IL fast path, and common pitfalls
Hotloading — Live Code Reloading s&box recompiles and live-reloads your assembly whenever you save a or file. You don't need to restart the editor for most chan…
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…
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…
RPC Security: How s&box Validates Incoming RPCs — Attribute Check, Permission Flags, Kick on Unauthorized
RPC Security: How s&box Validates Incoming RPCs Understanding how s&box validates incoming RPCs is important for writing secure multiplayer code. Validation Ste…
Component.OnLoad: Async Loading Pattern — LoadingContext, Scene.IsLoading, and Loading Screen Integration
Component.OnLoad: Async Loading Pattern for Components Components can perform async loading work by overriding . This is the correct way to load resources async…
GameObject.Clone: Two-Pass Cloning, CloneConfig, NotCloned Flag, and Reference Rewiring
GameObject.Clone: Spawning Prefabs and Cloning GameObjects with CloneConfig is the primary way to instantiate prefabs and duplicate GameObjects in s&box. It per…
s&box IToolActionEvents: Tool action event interface
IToolActionEvents API Reference IToolActionEvents is a scene-wide interface for listening to toolgun actions before and after they execute. Type Signature Actio…