IHotloadManaged: Preserving and Restoring State Across s&box Hotloads
IHotloadManaged: Preserving State Across s&box Hotloads When a class is hotloaded in s&box, all live instances are replaced with new instances of the updated ty…
s&box CameraComponent: Screen/World Conversion, RenderToTexture, Priority, Viewport, and Oblique Projection
s&box CameraComponent: Screen/World Conversion, RenderToTexture, and Priority wraps a and provides the main rendering configuration for a s&box scene. Every sce…
UIDecal Component - Render Razor UI as a Decal
A Render Component for s&box that allows you to project Razor UI onto surfaces as a Decal. Great for sticking UI onto rounded walls, curved surfaces, or any geo…
LinkedGameObjectBuilder for Finding Connected Objects
LinkedGameObjectBuilder Utility class for building a set of connected GameObjects by traversing physics joints, constraints, and manual links. Class Definition …
UndoSystem: Per-player undo functionality
UndoSystem: Per-Player Undo Functionality This example shows the UndoSystem which provides per-player undo stacks for tracking spawned objects and allowing play…
GameObject - s&box Documentation
GameObject A GameObject is the fundamental building block of scenes in s&box. GameObjects have a transform (position, rotation, scale), can have parents and chi…
ToolMode SelectionPoint and Trace Helpers
ToolMode.SelectionPoint and Trace Helpers Helper methods and data structures for toolgun selection and placement. SelectionPoint Struct Trace Methods Placement …
Unit tests in s&box — MSTest setup, engine initialization, and component testing
Unit Tests in s&box s&box supports MSTest-based unit tests. Create a directory in your project folder and restart the editor — a test project is generated autom…
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…
CleanupSystem: Map reset and baseline restoration
CleanupSystem: Map Reset and Baseline Restoration This example shows the CleanupSystem which tracks the baseline scene state and allows resetting the map to its…
NetList and NetDictionary: Delta Sync, OnChanged Callbacks, Write Guard, and CanWriteChanges
NetList and NetDictionary: Networked Collections with Delta Sync and are s&box networked collection types for use with . They only send changes (deltas) over th…
Sandbox: NPC system — Schedule, Task, and Layer architecture
NPC System — Schedule, Task, and Layer Architecture The Sandbox NPC system uses a layered architecture: Layers handle continuous behaviours (navigation, senses,…
BulletConfiguration record struct
BulletConfiguration Record Struct Configuration for s&box bullet weapon behavior including damage, spread, and recoil. Properties Damage () - Base damage per bu…
Collider types — Box, Sphere, Capsule, Model, Hull, Plane, and Trigger volumes
Collider Types s&box provides several collider components for physics shapes. All colliders can be set as triggers (no physical response, just overlap detection…
Sandbox: UndoSystem — per-player undo stack with bounded history (128 steps)
UndoSystem — Per-Player Undo Stack The is a that maintains a per-player undo stack. Each entry holds a set of s that get destroyed when the undo is triggered. U…
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…
Chat UI Pattern with RPC Broadcasting
Chat UI with RPC Broadcasting A Razor UI component for game chat that handles local input, RPC broadcasting, Steam filtering, and automatic message expiration. …
s&box Vector3 extension for aim cone randomization
s&box Vector3 Extension for Aim Cone Randomization This example shows extension methods for adding random spread to Vector3 direction vectors using s&box's Game…
Terrain System — heightmap creation, material painting, and sculpting
Terrain System s&box terrain is a heightmap-based landscape system with material painting, sculpting tools, and built-in LOD. Terrain data is stored in a reusab…
Sandbox: ControlSystem — vehicle seat and contraption control with IPlayerControllable
ControlSystem — Vehicle Seat and Contraption Control is a that drives components on contraptions. When a player sits in a , the system walks the connected contr…