Particle Effects System
Particle Effects System CPU-simulated, fully controllable particle system for effects like fire, smoke, sparks, and explosions. Architecture The particle system…
Rigidbody Component: Networked Velocity, Proxy Physics Simulation, Impact Damage, and SmoothMove
Rigidbody Component: Networking, Velocity Sync, and Proxy Physics Simulation The component is the primary way to add physics simulation to a . It implements and…
Network Ownership: Taking, Dropping, and Transferring Object Control
Networked GameObjects can be owned by a connection. Objects owned by a connection are simulated by that connection — their position and sync variables are contr…
s&box PhysicsBody: Body Types, Adding Shapes, Forces vs Impulses, Move vs Transform
s&box PhysicsBody: Body Types, Shapes, Forces, and Move vs Transform is the s&box physics simulation object. It wraps the native physics engine and can have mul…
Network Ownership: Transfer, IsProxy, and Orphaned Modes
Networked GameObjects can be owned by a connection. The owner simulates the object — controlling its position and sync properties. Unowned objects are simulated…
Particle Effects: CPU-Simulated Programmable Particle System
The s&box particle system is CPU-simulated (multithreaded) and fully programmable via components. You can emit particles manually, iterate and modify them at ru…
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…
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 …
Network Ownership System
Network Ownership System Control who simulates and updates networked GameObjects with the ownership system. Ownership Basics Every networked object has an Owner…
IGameObjectNetworkEvents: StartControl, StopControl, and NetworkOwnerChanged Callbacks
IGameObjectNetworkEvents: Ownership Change Callbacks Implement on a component to receive callbacks when network ownership of the parent changes. Interface Metho…
Networking Static Class: IsHost, IsClient, CreateLobby, Connect, SetData, and Debug Convars
Networking Static Class: IsHost, IsClient, CreateLobby, Connect, and Server Data The static class manages the multiplayer session in s&box. Session State Note: …
Networking State in s&box: IsHost, IsClient, IsActive, and Lobby Management
Networking State in s&box: IsHost, IsClient, IsActive Understanding the networking state is critical for writing correct multiplayer code in s&box. Key Properti…
ISceneCollisionEvents, IScenePhysicsEvents, ISceneLoadingEvents — Physics and Loading Callbacks
ISceneCollisionEvents and IScenePhysicsEvents: Physics Callbacks ISceneCollisionEvents Implement this interface on a component to receive collision callbacks. U…
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…
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…
s&box Rigidbody Component: Physics Body Reference
s&box Rigidbody Component: Physics Body Reference adds physics simulation to a . It requires at least one component on the same object. Key Properties Force and…
Physics Events - s&box Physics Documentation
Physics Events Receive callbacks for physics events in the scene. IScenePhysicsEvents Implement this interface on a component to receive scene-wide physics even…
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…
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…
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 …