Custom GameResource assets — defining asset types with ResourceLibrary and PostLoad registry
Custom GameResource Assets lets you define your own asset types with a custom file extension, inspector UI, and hot-reload support. Assets are JSON files under …
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 …
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…
Custom editor tools — EditorTool, Gizmo drawing, scene tracing, and overlay UI
Custom Editor Tools Editor tools appear in the s&box toolbar and let you build scene editing workflows — painting, placement, custom gizmos. They must live in a…
Input Handling Code Examples
Input Handling Code Examples Comprehensive input examples covering buttons, analog sticks, mouse, controller, and VR input. Default Input Actions
Sandbox: ISpawner interface — custom spawner pattern with ISpawnEvents
ISpawner Interface — Custom Spawner Pattern The interface defines the contract for anything that can be spawned via the spawn menu. Implementations include , , …
Particle Effect system — emitters, manual emission, and custom controllers
Particle Effect System s&box particles are CPU-simulated and fully programmable. A particle system is built from three component types on the same GameObject: (…
Sandbox: ToolMode system — creating custom Tool Gun modes
ToolMode System — Creating Custom Tool Gun Modes is the base class for all Tool Gun tools in Sandbox. Tools are components on the Toolgun and are enabled/disabl…
CameraNoiseSystem example: Camera effects
CameraNoiseSystem Example: Camera Effects CameraNoiseSystem is a GameObjectSystem that applies temporary camera effects (shake, noise, etc.) by implementing ICa…
Noclip MoveMode with Collision Toggle
Noclip MoveMode Implementation Custom movement mode for noclip/fly behavior with collision toggle. Key Patterns MoveMode inheritance — override , , priority — 1…
Storage (UGC)
Manage user-generated content, save games, and player creations. Creating Entries Entry Properties Reading Files Listing Entries Deleting Entries Steam Workshop…
Sync Properties for Networked State
Sync Properties for Multiplayer The attribute automatically synchronizes property values to all clients when they change. Basic Sync Sync Flags Customize sync b…
Physics Tracing Code Examples
Physics Tracing Code Examples Raycast and shape trace examples using — the builder pattern for physics queries. TraceResult Properties Builder Pattern Methods
BaseWeapon and BaseCarryable Weapon Framework
BaseWeapon and BaseCarryable - Weapon Framework Base classes for creating weapons in s&box. Provides ammo management, view/world models, and input handling. Bas…
WebSockets
Use WebSockets for real-time communication with external servers. Basic Setup With Auth Token Common Use Cases Custom networking — External matchmaking, chat se…
Spatial audio components — SoundPoint, SoundBox, SoundscapeTrigger, DspVolume, and AudioListener
Spatial Audio Components s&box provides several components for placing audio in the world. All are alternatives to for persistent, positioned audio sources. Sou…
Working with Models and Rendering
Guide to displaying 3D models in s&box. ModelRenderer Component Loading Models SkinnedMeshRenderer (Animated Models) Dynamic Model Creation LODs (Level of Detai…