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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 "OnFixedUpdate()" 29 results closeClear
menu_bookDocumentation
May 4, 2026

Component Lifecycle: Full Callback Order — OnAwake, OnEnabled, OnStart, OnUpdate, OnFixedUpdate, OnDisabled, OnDestroy

Component Lifecycle: Full Callback Order s&box components have a well-defined lifecycle. Understanding the exact order prevents subtle bugs. Callback Order Key …

menu_bookDocumentation
May 5, 2026

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…

menu_bookDocumentation
May 20, 2026

Component Methods: OnLoad, OnAwake, OnStart, OnUpdate, OnFixedUpdate Lifecycle

Component lifecycle methods you can override: OnLoad (async) Called after deserialization for loading. Loading screen stays open until all OnLoad tasks complete…

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 20, 2026

PlayerController: Physics-Based Character with Events Interface

The component is a physics-based first/third person player controller. Add it to a scene and be running around with no programming required. Core Features Physi…

menu_bookDocumentation
May 20, 2026

Component Execution Order: Lifecycle Flow and GameObjectSystem Ordering

s&box component execution order determines when lifecycle methods are called. You should not rely on the order in which the same callback gets invoked for diffe…

menu_bookDocumentation
May 4, 2026

s&box CharacterController: Physics-Free Movement Component

s&box CharacterController: Physics-Free Movement Component provides collision-constrained movement without a . It only moves when you explicitly call or . Key P…

menu_bookDocumentation
May 3, 2026

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…

codeAPI Reference
May 12, 2026

s&box FuncMover: Moving and rotating objects

FuncMover Component API Reference FuncMover is a Component that moves and rotates a GameObject with configurable linear and rotational movement patterns. Type S…

codeAPI Reference
May 12, 2026

s&box TriggerPush: Trigger-based push force

TriggerPush Component API Reference TriggerPush is a Component that pushes objects (players and rigidbodies) that enter its trigger collider. Type Signature Pro…

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

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…

menu_bookDocumentation
May 4, 2026

s&box Source Generator: IUpdateSubscriber, WrappedPropertySet, and How [Sync]/[Rpc.*] Work at Compile Time

s&box Source Generator: How [CodeGenerator] Works for [Sync] and [Rpc.*] The Roslyn source generator transforms your C# code at compile time. Understanding this…

menu_bookDocumentation
May 4, 2026

ScenePhysicsSystem: Physics Sub-Stepping at 120Hz, Collision Event Routing, Keyframe Colliders, and Editor Physics

ScenePhysicsSystem: How Physics Steps Work in s&box is the built-in that drives physics simulation. Understanding it explains the physics step order and collisi…

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…

terminalCode Example
May 12, 2026

Automatic water volume setup with buoyancy physics

Automatic Water Volume Setup with Buoyancy This example shows automatic attachment of WaterVolume components to colliders tagged "water" and buoyancy physics im…

codeAPI Reference
May 12, 2026

s&box WaterVolume: Water buoyancy

WaterVolume Component API Reference WaterVolume is a Component that applies buoyancy physics to rigidbodies entering a water volume. Implements ITriggerListener…

menu_bookDocumentation
May 20, 2026

Component Interfaces: IDamageable, ICollisionListener, ExecuteInEditor

s&box provides several built-in component interfaces for physics, damage, networking, and editor execution. ExecuteInEditor Runs component methods (OnAwake, OnE…

menu_bookDocumentation
May 20, 2026

IScenePhysicsEvents: Pre and Post Physics Step Hooks

lets Components or GameObjectSystems wrap logic around the physics step. Implement it when you have systems that work closely with physics and need to run code …