Unity Manual
- Unity User Manual 2021.3 (LTS)
- New in Unity 2021 LTS
- Packages and feature sets
- Released packages
- 2D Animation
- 2D Aseprite Importer
- 2D Pixel Perfect
- 2D PSD Importer
- 2D SpriteShape
- 2D Tilemap Extras
- Adaptive Performance
- Addressables
- Ads Mediation
- Alembic
- Analytics
- Android Logcat
- Animation Rigging
- Apple ARKit Face Tracking XR Plugin
- Apple ARKit XR Plugin
- AR Foundation
- Authentication
- Burst
- CCD Management
- Cinemachine
- Cloud Code
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- Collections
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- Google ARCore XR Plugin
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- iOS 14 Advertising Support
- JetBrains Rider Editor
- Leaderboards
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- Lobby
- Localization
- Magic Leap XR Plugin
- Matchmaker
- Mathematics
- ML Agents
- Mobile Notifications
- Multiplay
- Multiplayer Tools
- Netcode for GameObjects
- Oculus XR Plugin
- OpenXR Plugin
- Player Accounts
- Polybrush
- Post Processing
- ProBuilder
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- Recorder
- Relay
- Remote Config
- Scriptable Build Pipeline
- Sequences
- Sysroot Base
- Sysroot Linux x64
- Terrain Tools
- Test Framework
- TextMeshPro
- Timeline
- Toolchain Linux x64
- Toolchain MacOS Linux x64
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- Tutorial Authoring Tools
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- Unity Distribution Portal
- Unity Profiling Core API
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- Version Control
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- Release Candidates
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- AI
- Android JNI
- Animation
- Asset Bundle
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- Cloth
- Director
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- IMGUI
- JSONSerialize
- NVIDIA
- Particle System
- Physics
- Physics 2D
- Screen Capture
- Terrain
- Terrain Physics
- Tilemap
- UI
- UIElements
- Umbra
- Unity Analytics
- Unity Web Request
- Unity Web Request Asset Bundle
- Unity Web Request Audio
- Unity Web Request Texture
- Unity Web Request WWW
- Vehicles
- Video
- VR
- Wind
- XR
- Experimental packages
- Packages by keywords
- Unity's Package Manager
- How Unity works with packages
- Concepts
- Configuration
- Package Manager window
- Access the Package Manager window
- List view
- Details view
- Features (detail) view
- Finding packages and feature sets
- Adding and removing
- Install a feature set from the Unity registry
- Install a package from a registry
- Install a package from a local folder
- Install a package from a local tarball file
- Install a package from a Git URL
- Install a package from a registry by name
- Removing an installed package from a project
- Disabling a built-in package
- Switching to another package version
- Importing an Asset Store package
- Updating your Asset Store package
- Remove imported assets from a project
- Delete a package from the Asset Store cache
- Finding package documentation
- Inspecting packages
- Scripting API for packages
- Scoped registries
- Resolution and conflict
- Project manifest
- Troubleshooting
- Creating custom packages
- Feature sets
- Released packages
- Working in Unity
- Installing Unity
- Upgrading Unity
- Unity's interface
- Quickstart guides
- Advanced best practice guides
- Create Gameplay
- Editor Features
- 2D and 3D mode settings
- Preferences
- Shortcuts Manager
- Build Settings
- Incremental build pipeline
- Project Settings
- Visual Studio C# integration
- RenderDoc Integration
- Editor Analytics
- Check For Updates
- IME in Unity
- Version Control
- Safe Mode
- Command-line arguments
- Text-Based Scene Files
- Troubleshooting The Editor
- Analysis
- Memory in Unity
- Profiler overview
- Profiling your application
- Common Profiler markers
- The Profiler window
- Asset Loading Profiler module
- Audio Profiler module
- CPU Usage Profiler module
- File Access Profiler module
- Global Illumination Profiler module
- GPU Usage Profiler module
- Memory Profiler module
- Physics Profiler module
- 2D Physics Profiler module
- Rendering Profiler module
- UI and UI Details Profiler
- Video Profiler module
- Virtual Texturing Profiler module
- Customizing the Profiler
- Low-level native plug-in Profiler API
- Profiling tools
- Log files
- Understanding optimization in Unity
- Asset loading metrics
- Asset Workflow
- Input
- 2D game development
- Introduction to 2D
- 2D game development quickstart guide
- 2D Sorting
- Work with sprites
- Set up sprites
- Sort sprites
- Sprite Renderer
- Sprite Creator
- Sprite Editor
- Sorting Groups
- 9-slicing Sprites
- Sprite Masks
- Sprite Atlas
- Sprite Shape Renderer
- Create Tilemaps
- Physics Reference 2D
- Graphics
- Render pipelines
- Render pipelines introduction
- Render pipeline feature comparison
- How to get, set, and configure the active render pipeline
- Choosing and configuring a render pipeline and lighting solution
- Using the Built-in Render Pipeline
- Using the Universal Render Pipeline
- Using the High Definition Render Pipeline
- Scriptable Render Pipeline fundamentals
- Creating a custom render pipeline
- Cameras
- Lighting
- Introduction to lighting
- Light sources
- Shadows
- The Lighting window
- Lighting Settings Asset
- The Light Explorer window
- Lightmapping
- The Progressive Lightmapper
- Lightmapping using Enlighten Baked Global Illumination
- Lightmapping: Getting started
- Lightmap Parameters Asset
- Directional Mode
- Lightmaps and LOD
- Ambient occlusion
- Lightmaps: Technical information
- Lightmapping and shaders
- Lightmap UVs
- Lightmap seam stitching
- Custom fall-off
- Realtime Global Illumination using Enlighten
- Light Probes
- Reflection Probes
- Precomputed lighting data
- Scene View Draw Modes for lighting
- Models
- Meshes
- Textures
- Importing Textures
- Texture formats
- Mipmaps
- Render Texture
- Custom Render Textures
- Movie Textures
- 3D textures
- Texture arrays
- Cubemaps
- Cubemap arrays
- Streaming Virtual Texturing
- Streaming Virtual Texturing requirements and compatibility
- How Streaming Virtual Texturing works
- Enabling Streaming Virtual Texturing in your project
- Using Streaming Virtual Texturing in Shader Graph
- Cache Management for Virtual Texturing
- Marking textures as "Virtual Texturing Only"
- Virtual Texturing error material
- Sparse Textures
- Loading texture and mesh data
- Shaders
- Shaders core concepts
- Built-in shaders
- Standard Shader
- Standard Particle Shaders
- Autodesk Interactive shader
- Legacy Shaders
- Using Shader Graph
- Writing shaders
- Writing shaders overview
- ShaderLab
- ShaderLab: defining a Shader object
- ShaderLab: defining a SubShader
- ShaderLab: defining a Pass
- ShaderLab: adding shader programs
- ShaderLab: specifying package requirements
- ShaderLab: commands
- ShaderLab: grouping commands with the Category block
- ShaderLab command: AlphaToMask
- ShaderLab command: Blend
- ShaderLab command: BlendOp
- ShaderLab command: ColorMask
- ShaderLab command: Conservative
- ShaderLab command: Cull
- ShaderLab command: Offset
- ShaderLab command: Stencil
- ShaderLab command: UsePass
- ShaderLab command: GrabPass
- ShaderLab command: ZClip
- ShaderLab command: ZTest
- ShaderLab command: ZWrite
- ShaderLab legacy functionality
- HLSL in Unity
- GLSL in Unity
- Example shaders
- Writing Surface Shaders
- Writing shaders for different graphics APIs
- Understanding shader performance
- Materials
- Visual effects
- Post-processing and full-screen effects
- Particle systems
- Choosing your particle system solution
- Built-in Particle System
- Using the Built-in Particle System
- Particle System vertex streams and Standard Shader support
- Particle System GPU Instancing
- Particle System C# Job System integration
- Components and Modules
- Particle System
- Particle System modules
- Main module
- Emission module
- Shape module
- Velocity over Lifetime module
- Noise module
- Limit Velocity over Lifetime module
- Inherit Velocity module
- Lifetime by Emitter Speed module
- Force over Lifetime module
- Color over Lifetime module
- Color by Speed module
- Size over Lifetime module
- Size by Speed module
- Rotation over Lifetime module
- Rotation by Speed module
- External Forces module
- Collision module
- Triggers module
- Sub Emitters module
- Texture Sheet Animation module
- Lights module
- Trails module
- Custom Data module
- Renderer module
- Particle System Force Field
- Visual Effect Graph
- Decals and projectors
- Lens flares and halos
- Lines, trails, and billboards
- Sky
- Color
- Graphics API support
- Graphics performance and profiling
- Render pipelines
- World building
- Physics
- Built-in 3D Physics
- Character control
- Rigidbody physics
- Collision
- Introduction to collision
- Continuous collision detection (CCD)
- Create a vehicle with Wheel Colliders
- Physics Debug Visualization
- Box Collider component reference
- Capsule Collider component reference
- Terrain Collider component reference
- Wheel Collider component reference
- Mesh Collider component reference
- Sphere Collider component reference
- Physic Material component reference
- Joints
- Articulations
- Ragdoll physics
- Cloth
- Multi-scene physics
- Built-in 3D Physics
- Scripting
- Setting Up Your Scripting Environment
- Scripting concepts
- Important Classes
- Important Classes - GameObject
- Important Classes - MonoBehaviour
- Important Classes - Object
- Important Classes - Transform
- Important Classes - Vectors
- Important Classes - Quaternion
- ScriptableObject
- Important Classes - Time
- Important Classes - Mathf
- Important Classes - Random
- Important Classes - Debug
- Important Classes - Gizmos & Handles
- Unity architecture
- Plug-ins
- Job system
- Multiplayer and Networking
- Multiplayer Overview
- Setting up a multiplayer project
- Using the Network Manager
- Using the Network Manager HUD
- The Network Manager HUD in LAN mode
- The Network Manager HUD in Matchmaker mode
- Converting a single-player game to Unity Multiplayer
- Debugging Information
- Multiplayer Component Reference
- Multiplayer Classes Reference
- Multiplayer Encryption Plug-ins
- UnityWebRequest
- Audio
- Audio overview
- Audio files
- Tracker Modules
- Audio Mixer
- Native audio plug-in SDK
- Audio Profiler
- Ambisonic Audio
- Audio Reference
- Audio Clip
- Audio Listener
- Audio Source
- Audio Mixer
- Audio Filters
- Audio Effects
- Audio Low Pass Effect
- Audio High Pass Effect
- Audio Echo Effect
- Audio Flange Effect
- Audio Distortion Effect
- Audio Normalize Effect
- Audio Parametric Equalizer Effect
- Audio Pitch Shifter Effect
- Audio Chorus Effect
- Audio Compressor Effect
- Audio SFX Reverb Effect
- Audio Low Pass Simple Effect
- Audio High Pass Simple Effect
- Reverb Zones
- Microphone
- Audio Settings
- Video overview
- Animation
- Animation System Overview
- Rotation in animations
- Animation Clips
- Animator Controllers
- Retargeting of Humanoid animations
- Performance and optimization
- Animation Reference
- Animation FAQ
- Playables API
- A Glossary of animation terms
- Legacy Animation System
- User interface (UI)
- Comparison of UI systems in Unity
- UI Toolkit
- Get started with UI Toolkit
- UI Builder
- Structure UI
- The visual tree
- Structure UI with UXML
- Structure UI with C# scripts
- Custom controls
- Best practices for managing elements
- Encapsulate UXML documents with logic
- UXML elements reference
- UXML element BindableElement
- UXML element VisualElement
- UXML element BoundsField
- UXML element BoundsIntField
- UXML element Box
- UXML element Button
- UXML element ColorField
- UXML element CurveField
- UXML element DoubleField
- UXML element DropdownField
- UXML element EnumField
- UXML element EnumFlagsField
- UXML element FloatField
- UXML element Foldout
- UXML element GradientField
- UXML element GroupBox
- UXML element Hash128Field
- UXML element HelpBox
- UXML element IMGUIContainer
- UXML element Image
- UXML element InspectorElement
- UXML element IntegerField
- UXML element Label
- UXML element LayerField
- UXML element LayerMaskField
- UXML element LongField
- UXML element ListView
- UXML element MaskField
- UXML element MinMaxSlider
- UXML element ObjectField
- UXML element PopupWindow
- UXML element ProgressBar
- UXML element PropertyField
- UXML element RadioButton
- UXML element RadioButtonGroup
- UXML element RectField
- UXML element RectIntField
- UXML element RepeatButton
- UXML element ScrollView
- UXML element Scroller
- UXML element Slider
- UXML element SliderInt
- UXML element TagField
- UXML element TextElement
- UXML element TextField
- UXML element Toggle
- UXML element Toolbar
- UXML element ToolbarBreadcrumbs
- UXML element ToolbarButton
- UXML element ToolbarMenu
- UXML element ToolbarPopupSearchField
- UXML element ToolbarSearchField
- UXML element ToolbarSpacer
- UXML element ToolbarToggle
- UXML element TwoPaneSplitView
- UXML element Vector2Field
- UXML element Vector2IntField
- UXML element Vector3Field
- UXML element Vector3IntField
- UXML element Vector4Field
- Structure UI examples
- Create a complex list view
- Create a list view runtime UI
- Wrap content inside a scroll view
- Create a tabbed menu for runtime
- Create a pop-up window
- Use Toggle to create a conditional UI
- Create a custom control with two attributes
- Create a slide toggle custom control
- Use Mesh API to create a radial progress indicator
- Create a bindable custom control
- Create a custom style for a custom control
- Style UI
- Introduction to USS
- USS selectors
- USS properties
- USS custom properties (variables)
- Apply styles in C# scripts
- Best practices for USS
- Theme Style Sheet (TSS)
- UI Toolkit Debugger
- Control behavior with events
- Support for Editor UI
- Create a custom Editor window
- Create a Custom Inspector
- SerializedObject data binding
- Bindable elements reference
- Bindable data types and fields
- Binding system implementation details
- Binding examples
- Bind with binding path in C# script
- Bind without the binding path
- Bind with UXML and C# script
- Create a binding with the Inspector
- Bind to nested properties
- Bind to a UXML template
- Receive callbacks when a bound property changes
- Receive callbacks when any bound properties change
- Bind to a list with ListView
- Bind to a list without ListView
- Bind a custom control
- Bind a custom control to custom data type
- View data persistence
- Support for runtime UI
- Work with text
- Examples
- Migration guides
- Unity UI
- Immediate Mode GUI (IMGUI)
- Navigation and Pathfinding
- Navigation Overview
- Navigation System in Unity
- Inner Workings of the Navigation System
- Building a NavMesh
- NavMesh building components
- Advanced NavMesh Bake Settings
- Creating a NavMesh Agent
- Creating a NavMesh Obstacle
- Creating an OffMesh Link
- Building OffMesh Links Automatically
- Building Height Mesh for Accurate Character Placement
- Navigation Areas and Costs
- Loading Multiple NavMeshes using Additive Loading
- Using NavMesh Agent with Other Components
- Navigation Reference
- Navigation How-Tos
- Navigation Overview
- Unity Services
- Setting up your project for Unity services
- Unity Organizations
- Unity Ads
- Unity Analytics
- Unity Cloud Content Delivery
- Unity Build Automation (formerly Cloud Build)
- Unity IAP
- Setting up Unity IAP
- Cross Platform Guide
- Codeless IAP
- Defining products
- Subscription Product support
- Initialization
- Browsing Product Metadata
- Initiating Purchases
- Processing Purchases
- Handling purchase failures
- Restoring Transactions
- Purchase Receipts
- Receipt validation
- Store Extensions
- Cross-store installation issues with Android in-app purchase stores
- Store Guides
- Implementing a Store
- Unity Cloud Diagnostics
- Unity Integrations
- Multiplayer Services
- Unity Distribution Portal
- Unity Accelerator
- XR
- Unity's Asset Store
- Asset Store packages
- Publishing to the Asset Store
- Creating your Publisher Account
- Creating a new package draft
- Deleting a package draft
- Uploading assets to your package
- Filling in the package details
- Submitting your package for approval
- Viewing the status of your Asset Store submissions
- Collecting revenue
- Providing support to your customers
- Adding tags to published packages
- Connecting your account to Google Analytics
- Promoting your Assets
- Refunding your customers
- Upgrading packages
- Deprecating your Assets
- Issuing vouchers
- Managing your publishing team
- Asset Store Publisher portal
- Platform development
- Using Unity as a Library in other applications
- Deep linking
- Xcode frame debugger Unity integration
- Android
- Introducing Android
- Getting started with Android
- Developing for Android
- Android mobile scripting
- Input for Android devices
- Android application size restrictions
- Graphics for Android
- Testing and debugging
- Create and use plug-ins in Android
- Integrating Unity into Android applications
- Deep linking on Android
- Android thread configuration
- Device features and permissions
- Building and delivering for Android
- Chrome OS
- Dedicated Server
- iOS
- Introducing iOS
- Getting started with iOS
- Developing for iOS
- iOS Scripting
- Input for iOS devices
- Simulate an iOS device
- Unity Remote
- Managed stack traces on iOS
- Optimizing Performance on iOS
- Building plug-ins for iOS
- Integrating Unity into native iOS applications
- Deep linking on iOS
- iOS authorizations in Unity
- Preparing your application for In-App Purchases (IAP)
- Social API
- Building and delivering for iOS
- Troubleshooting on iOS devices
- Reporting crash bugs on iOS
- Linux
- macOS
- tvOS
- WebGL
- Windows
- Universal Windows Platform
- Introduction to Universal Windows Platform
- Get started with Universal Windows Platform
- Develop for Universal Windows Platform
- Build and deliver for Universal Windows Platform
- Unity Search
- Glossary
Shadow
The Shadow component adds a simple outline effect to graphic components such as Text or Image. It must be on the same GameObjectThe fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more. A GameObject’s functionality is defined by the Components attached to it. More info
See in Glossary as the graphic component.
Properties
| Property: | Function: |
|---|---|
| Effect Color | The color of the shadow. |
| Effect Distance | The offset of the shadow expressed as a vector. |
| Use Graphic Alpha | Multiplies the color of the graphic onto the color of the effect. |
Shadow
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