s&box built-in component quick reference — rendering, physics, navigation, UI, and audio
s&box Component Quick Reference A cheat sheet of the most commonly used built-in components and what they do. Rendering Lighting Physics Navigation UI Audio Gam…
Inspector property attributes — Range, Group, ShowIf, Title, Feature, and more
Inspector Property Attributes Attributes control how component properties appear in the s&box editor inspector. Apply them alongside on your component fields to…
Component Lifecycle Methods Reference
Component Lifecycle Methods s&box Components have a well-defined lifecycle with specific methods you can override for different phases of initialization and upd…
s&box networking gotchas — IsProxy, Sync, Authority, NetworkSpawn, and culling
s&box Networking Gotchas Common mistakes when building multiplayer games in s&box. IsProxy vs IsAuthority is true on all clients that don't own the object. Alwa…
Your First Project - s&box Documentation
Your First Project Creating Game Objects In s&box, everything in your scene is a GameObject. GameObjects can have Components attached to them that provide funct…
Building a Networked Radio System with 3D Audio and Sync
Building a functional, interactive, and multiplayer-compatible radio system in s&box requires coordinating networked replication, local 3D audio handles, extern…
Collision and Triggers
Working with physics collisions and trigger volumes. Collision Components Basic Collision Trigger Volumes Triggers detect overlap without blocking movement: Col…
Post Processing System
Post Processing System Add visual effects like bloom, tonemapping, and film grain with post-processing volumes. Overview Post processing in s&box uses a volume-…
NavMeshLink custom traversal — parabolic jump, ladder climb, and physics jump
NavMeshLink Custom Traversal connects two NavMesh points for agents to traverse (jumps, ladders, teleports). Default traversal linearly interpolates between sta…
Multiplayer Authority Patterns
Multiplayer Authority Patterns Community guide for structuring multiplayer code based on official networking documentation and proven patterns. Host-Authoritati…
Sandbox: Physgun — grab, freeze, launch, and pull mechanics
Physgun — Grab, Freeze, Launch, and Pull Mechanics The Physgun () is a that lets players grab, move, freeze, and launch physics objects. It uses a struct to tra…
Physics joints — Fixed, Ball, Hinge, Slider, Spring, and Wheel
Physics Joints Joints connect two physics bodies together with constraints. All joint types are components added to a GameObject positioned at the joint's ancho…
s&box LineDefinition: Trail line resource
LineDefinition GameResource API Reference LineDefinition is a GameResource for trail line definitions used by the Trail tool. It implements IDefinitionResource …
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 …
Component execution order — OnAwake, OnStart, OnUpdate, OnFixedUpdate, and OnLateUpdate
Component Execution Order s&box calls component lifecycle methods in a defined order each frame. Understanding this order is essential for avoiding race conditi…
[Sync] Attribute: SyncFlags.FromHost, SyncFlags.Interpolate, SyncFlags.Query — How Property Sync Works
[Sync] Attribute: SyncFlags and How Property Synchronization Works The attribute marks a component property for automatic network synchronization from the owner…
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…
RealTime vs Time: Wall-Clock vs Scene Time — RealTimeSince, RealTimeUntil, GlobalNow, and SmoothDelta
RealTime vs Time: Wall-Clock vs Scene Time — When to Use Each s&box has two time systems. Choosing the wrong one is a common source of bugs. Time (Scene Time) ,…
Joint Components: HingeJoint Motor Modes, BreakForce, Body Resolution, and Joint Creation Timing
Joint Components: HingeJoint, FixedJoint, and the Joint Base Class s&box provides physics joint components for constraining physics bodies. All joints extend th…
Connection Permissions: CanSpawnObjects and CanRefreshObjects
The host can change permissions for a specific in s&box multiplayer. The ideal place to set these permissions is in the network event callback when a player con…