s&box MCP Knowledgebase

Documentation, API references, code examples and community knowledge for s&box development.

library_books 595 entries menu_book 352 Documentation code 133 API Reference terminal 100 Code Example groups 10 Community
Results for "simulation" 34 results closeClear
menu_bookDocumentation
May 5, 2026

Ownership - s&box Networking Documentation

Ownership Network ownership determines which client or the host has authority over a networked GameObject. The owner controls synced properties and can send RPC…

groupsCommunity
May 3, 2026

Multiplayer Authority Patterns

Multiplayer Authority Patterns Community guide for structuring multiplayer code based on official networking documentation and proven patterns. Host-Authoritati…

terminalCode Example
May 5, 2026

VerletRope — rope physics with attachment, slack, and stiffness

VerletRope simulates rope physics using Verlet integration. The rope hangs from the GameObject's position and optionally attaches its end to another GameObject.…

terminalCode Example
May 5, 2026

CharacterController — capsule movement, ground checks, and velocity control

CharacterController in s&box is a built-in s&box component for capsule-based movement. Unlike , you control velocity directly — the controller handles collision…

groupsCommunity
May 3, 2026

Common Pitfalls and How to Avoid Them

s&box Common Pitfalls and How to Avoid Them Community-compiled list of frequently encountered issues and their solutions, based on Discord support channels and …

codeAPI Reference
May 3, 2026

Sandbox.ParticleEffect

Sandbox.ParticleEffect Controls particle system playback. Overview ParticleEffect is the root component for playing particle effects (.vpcf files). Setup Playba…

menu_bookDocumentation
May 4, 2026

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…

menu_bookDocumentation
May 5, 2026

GameObjectSystem - s&box Scene Documentation

GameObjectSystem GameObjectSystems are global systems that operate on groups of GameObjects. Unlike Components which are attached to single GameObjects, systems…

menu_bookDocumentation
May 4, 2026

s&box Input System: Down, Pressed, Released, AnalogLook, AnalogMove, Input Contexts, and Suppression

s&box Input System: Actions, Contexts, and How Input State Works The s&box static class provides all player input querying. Actions are defined in the project's…

menu_bookDocumentation
May 4, 2026

Scene Tick Order: Full Frame Pipeline — FixedUpdate, Update, PreRender, ProcessDeletes, and Stage Hooks

Scene Tick Order: The Full Frame Pipeline Understanding the exact order of operations in a scene tick is critical for writing correct game logic. Game Tick Orde…

menu_bookDocumentation
May 4, 2026

FixedUpdate Internals: Step Counting, Spiral of Death Prevention, Time.Scope, and ApplyForce vs ApplyImpulse

FixedUpdate Internals: How the Fixed Timestep Works in s&box The s&box fixed update system uses a step-counting approach rather than accumulating time. This is …

menu_bookDocumentation
May 4, 2026

NavMeshAgent: MoveTo, WishVelocity Pattern, Off-Mesh Links, Area Constraints, and Path Queries

NavMeshAgent: Navigation, WishVelocity, Links, and Path Control is the s&box component for AI navigation using the scene's navmesh. It uses DotRecast (Detour/Cr…

codeAPI Reference
May 12, 2026

s&box WaterVolume: Buoyancy physics for water volumes

WaterVolume API Reference WaterVolume is a Component that applies buoyancy physics to Rigidbody objects entering a trigger volume. Type Signature Physics Implem…

menu_bookDocumentation
May 20, 2026

Custom Particle Controller: Code-Based Particle Simulation with Threading

The s&box particle system allows custom code-based particle controllers by inheriting from . Add the component to a GameObject with a ParticleEffect to control …