Sandbox: Full codebase architecture — systems, player components, weapons, tools, NPCs
Sandbox Codebase Architecture Overview The Facepunch Sandbox game is a large reference implementation. Here's a map of the major systems and how they connect. C…
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,…
Building a Networked Radio System with 3D Audio and Sync
Building a functional, interactive, and multiplayer-compatible radio system in s&box requires coordinating networked replication, local 3D audio handles, extern…
PlayerController: Architecture, Ground Detection, Jump System, WishVelocity Sync, and Physics Step Integration
PlayerController: Architecture, Ground Detection, and Jump System is the built-in s&box character movement component. It uses a internally and implements to hoo…
Particle Effects System
Particle Effects System CPU-simulated, fully controllable particle system for effects like fire, smoke, sparks, and explosions. Architecture The particle system…
Explore the Engine - s&box Documentation
Explore the Engine Learn how s&box works by exploring the testbed and understanding the core concepts. Play Testbed Start s&box (not the editor) and find the ga…
Randomized Clothing for NPC Citizens using Dresser.Randomize() on Prefabs
Overview This demonstrates how to create NPC citizen prefabs with randomized clothing using the built-in component. Each time the prefab spawns or is enabled, i…
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…
Project Structure Recommendations
Project Structure Recommendations Community guide for organizing s&box projects based on Facepunch examples and successful community projects. Recommended Folde…