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…
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…
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…
Sandbox.PhysicsWorld
Sandbox.PhysicsWorld Access to the physics simulation. Overview PhysicsWorld provides access to the physics simulation, including gravity, time step, and broad …
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…
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…
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…
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: (…
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 …
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 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…
Rigidbody Physics
The component enables physics simulation on GameObjects. Basic Usage Rigidbody Properties Forces Collision Detection Wake/Sleep Spawn with Velocity
ModelPhysics — ragdolls and per-bone physics simulation
ModelPhysics — Ragdolls and Per-Bone Physics drives physics simulation per bone on a skinned model. Use it for ragdolls, destructible characters, and physics-dr…
s&box built-in component quick reference — rendering, physics, navigation, UI, and audio
s&box Component Quick Reference A cheat sheet of the most commonly used built-in components and what they do. Rendering Lighting Physics Navigation UI Audio Gam…
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: …
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 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…