Citizen Characters - s&box Assets Documentation
Citizen Characters The Citizen is s&box's default human character model. It provides a standardized base for player characters, NPCs, and customization through …
DamageInfo: The Standard Damage Payload — Properties, Usage, and Custom Types
DamageInfo: The Standard Damage Payload is a class (not a struct) used to pass damage information between game systems. It is intentionally a class so games can…
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…
Prefab Spawning and Cloning
Prefab Spawning and Cloning Prefabs are reusable GameObject templates that can be instantiated at runtime. Creating Prefabs Create a GameObject in the scene wit…
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…
Network Visibility Culling: AlwaysTransmit, INetworkVisible, CullDelay, and PVS-Based Object Culling
Network Visibility Culling: How s&box Decides What to Send to Each Client s&box has a built-in network visibility culling system that avoids sending updates for…
Scene.Trace: Raycasting, Shape Sweeps, Tag Filters, SceneTraceResult Fields, and FindInPhysics
Scene.Trace: Raycasting and Shape Sweeps in s&box is the entry point for all physics traces in s&box. It returns a builder that uses a fluent API. Basic Usage F…
SyncFlags.Interpolate: How Networked Property Interpolation Works — Supported Types, InterpolationBuffer, and Delay
SyncFlags.Interpolate: How Networked Property Interpolation Works When is applied to a property, proxy clients receive a smoothed value between network ticks ra…
Math Types - s&box Documentation
Official s&box documentation for Math Types including Vector3, Rotation, Angles, and related types. Vector3 represents 3D positions and directions with X, Y, Z …
s&box SpriteRenderer: Billboard Modes, Animation Control, Broadcast Events, and Rendering Options
s&box SpriteRenderer: Animated Sprites, Billboard Modes, and Broadcast Events renders a asset in the s&box world with support for animation, billboarding, and f…
Components - s&box Documentation
Components A Component is added to a GameObject to provide functionality. This functionality can vary wildly. You could add a component that renders a model at …
s&box SelfCollisionSound: Single-surface collision sounds
SelfCollisionSound Component API Reference SelfCollisionSound is a Component that plays collision sounds only from this object's surface, preventing duplicate s…
s&box CombatNpc: Combat NPC
CombatNpc Class API Reference CombatNpc is a combat NPC that searches for players, advances on them, fires in bursts, and repositions. When friendly, follows pl…
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…
Networked Objects: Spawning, Network Modes, and Interpolation
Any GameObject can become networked by calling . It will then be sent to all clients and can have Sync Properties and RPC Messages. Spawning a Networked Object …
NavMesh Agent: AI Pathfinding with Crowd Avoidance
The component moves a GameObject along the NavMesh automatically with built-in crowd avoidance. Agents try to avoid bumping into each other when multiple agents…
NavMesh Links: Custom Jump and Ladder Traversal for AI Agents
NavMesh Links connect disconnected NavMesh regions (jumps, ladders, teleports). By default agents linearly interpolate between endpoints, but you can implement …
Math Types: Vector3, Rotation, Angles, and Transform
s&box provides several math types for 3D game development in the namespace. Vectors Vector2 — 2D (x, y) for screen/UI Vector3 — 3D (x, y, z) for world positions…
Code Cheat Sheet: Quick Reference for GameObjects, Components, and Transforms
Quick reference for common s&box operations covering debugging, transforms, GameObjects, and Components. Useful when you know what you want to do but not the ex…
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…