• Entities package
  • What's new
  • Upgrade guide
• Get started
  • Installation
  • ECS packages
  • ECS workflow tutorial
    • Understand the ECS workflow
    • Spawner example
      • Create the subscene for the spawner example
      • Create a component for the spawner example
      • Create the spawner entity for the spawner example
      • Create the system for the spawner example
      • Optimize the system for the spawner example
• Entity Component System concepts
  • Entity concepts
  • Component concepts
  • System concepts
  • World concepts
  • Archetype concepts
  • Structural changes concepts
  • Safety in Entities
• Components overview
  • Component types
    • Unmanaged components
    • Managed components
    • Shared components
      • Introducing shared components
      • Create a shared component
      • Optimize shared components
    • Cleanup components
      • Introducing cleanup components
      • Create a cleanup component
      • Cleanup shared components
    • Tag components
    • Dynamic buffer components
      • Introducing dynamic buffer components
      • Create a dynamic buffer component
      • Access dynamic buffers in a chunk
      • Reuse a dynamic buffer for multiple entities
      • Access dynamic buffers from jobs
      • Modify dynamic buffers with an entity command buffer
      • Reinterpret a dynamic buffer
    • Chunk components
      • Introducing chunk components
      • Create a chunk component
      • Use chunk components
    • Enableable components
      • Enableable components overview
      • Use enableable components
    • Singleton components
  • Add components to an entity
  • Remove components from an entity
  • Read and write component values
  • Native container component support
  • Aspect overview
    • Aspect concepts
    • Create an aspect
    • Aspect source generation
• Systems overview
  • Introduction to systems
    • Systems comparison
      • ISystem overview
      • SystemBase overview
    • Defining and managing system data
    • System groups
    • Manage systems in multiple worlds
  • Working with systems
    • Access data
      • Ways to access data
      • SystemAPI overview
    • Schedule data changes
      • Ways to schedule data changes
      • Entity command buffer overview
        • Use an entity command buffer
        • Entity command buffer playback
        • Automatic playback and disposal of entity command buffers
      • EntityManager overview
  • Iterate over component data
    • Iterate over component data with SystemAPI.Query
    • Iterate over component data with IJobEntity
    • Iterate over component data with IJobChunk
      • Implement IJobChunk
    • Iterate manually over data
    • Iterate over component data with Entities.ForEach
      • Define and execute an Entites.ForEach lambda expression
      • Select and access data
      • Filter data
      • Use entity command buffers
  • Query data with an entity query
    • EntityQuery overview
    • Create an EntityQuery
    • EntityQuery filters
    • Write groups
    • Version numbers
  • Look up arbitrary data
  • Time
• Entity Component System workflows
  • Convert data
    • Convert data with baking
      • Baking overview
      • Baking phases
      • Baker overview
      • Baking systems overview
      • Baking worlds overview
      • Filter baking output
      • Prefabs in baking
    • Scenes overview
      • Subscenes
      • Scene streaming
        • Scene streaming overview
        • Load a scene
        • Scene section overview
        • Scene and section meta entities
        • Scene instancing
  • Use the job system in Entities
    • Job extensions
    • Scheduling background jobs with Job.WithCode
    • Job dependencies
  • Transforms in Entities
    • Transforms concepts
    • Using transforms
    • Transforms comparison
    • Transform helper overview
    • Transform usage flags
    • Custom transforms
  • Blob assets
    • Blob assets concepts
    • Create a blob asset
  • Allocators overview
    • Prebuilt custom allocators overview
      • World update allocators
      • Entity command buffer allocators
      • System group allocators
  • Content management
    • Introduction to content management
    • Weakly reference an object
    • Weakly reference a scene
    • Load a weakly-referenced object at runtime
    • Load a weakly-referenced scene at runtime
    • Create custom content archives
    • Deliver content to an application
• Working in the Editor
  • Entities Preferences reference
  • Entities Project Settings reference
  • Working with authoring and runtime data
  • Entities windows
    • Archetypes window
    • Components window
    • Entities Hierarchy window
    • Systems window
  • Entities Inspectors
    • Entity Inspector reference
    • System Inspector reference
    • Component Inspector reference
    • Query window reference
• Performance and debugging
  • Entities Profiler modules
    • Entities Structural Changes Profiler module
    • Entities Memory Profiler module
  • Journaling
  • Common error messages