Welcome
Tutorials
- Donuts Blitz
- Getting Started
- Learning Black
- Using Sound Atlases
- Using Texture Atlases
Examples
- Basics
  - Load an image
  - Load images from atlas
  - Pivots and Anchors
- Sprites
  - Alpha and Blending
  - Cache As Bitmap Dynamic
  - Cache As Bitmap
  - Clipping Rectangle
  - Color
  - Containers
  - Content Scale
  - Parent Alpha and Blending
  - Scale
  - Skew
  - Slice 9 Grid
  - Snap To Pixels
  - Spine
  - Sprite Animation
  - Texture Repeat
- Text
  - Anchors
  - Bitmap Font
  - Displaying text
  - Having fun
  - Load Google Font
  - Load local font
  - Load multiple fonts
  - Multiline
  - Rich Text
  - Text Shadow
  - Text Stroke
- Input
  - Circle shaped hitbox
  - Drag Sprite
  - Keyboard
  - Layers
  - Pointer Messages
- Game Object
  - Add Remove Child
  - Draw Bounds
  - Static Objects
- Tweening
  - Basic
  - Chain
  - Events
  - Interpolation
  - Loop
  - Pause
  - Repeat
  - Reuse
- Particles
  - Bubbles
  - Click burst
  - Custom Modifiers
  - Presimulate
  - Rain
  - Random Texture
  - Sort Order
  - Space
  - Trails
  - Tweening Emitter
  - Vector Field
- Graphics
  - !Bounds
  - Basic Shapes
  - Bezier
  - Having fun
- Messages
  - !Testing v2
  - Sending and Receiving
- Arcade Physics
  - !Performance
  - Basic Usage
  - Colliders
  - CollisionEvents
  - Containers
  - Mario
  - Rotated
  - WorldBounds
- Asset Manager
  - Loading assets
- Audio
  - !Sound Atlas
  - Channel Effects
  - Play sound
  - Spatial Sound
  - Waveform
- Coroutines
  - Wait Fot it
- Drivers
  - Render Texture
  - Skip Unchanged Frames
- Stage
  - Bounds
  - Fixed Scale Mode
  - Letterbox
  - No Scale Mode
  - Normal Scale Mode
  - Orientations Lock
  - Orientations
  - Scene Manager
- Timers
  - Interval
  - Pause
  - Reset and reusing
- Vector Graphics
  - Vector As a Sprite
API
- Black
- Engine
- animation
  - AnimationController
  - AnimationInfo
  - Ease
  - Interpolation
  - Spine
  - Tween
- assets
  - Asset
  - AssetManager
  - AssetManagerState
  - AssetType
  - AtlasTextureAsset
  - BitmapFontAsset
  - BVGAsset
  - FontAsset
  - JSONAsset
  - LoaderFactory
  - LoaderType
  - SoundAsset
  - SoundAtlasAsset
  - TextureAsset
  - VectorTextureAsset
  - XMLAsset
  - loaders
    - AssetLoader
    - FontFaceAssetLoader
    - ImageAssetLoader
    - XHRAssetLoader
- audio
  - MasterAudio
  - Sound
  - SoundAtlasClip
  - SoundChannel
  - SoundClip
  - SoundEffect
  - SoundInstance
  - SoundListener
  - SoundState
  - effects
    - DistortionEffect
    - ReverbEffect
    - SimpleEQ
    - StereoPanner
- colliders
  - BoxCollider
  - CircleCollider
  - Collider
- core
  - BindingType
  - Component
  - Debug
  - DirtyFlag
  - GameObject
  - MathEx
  - Message
  - MessageBinding
  - MessageDispatcher
  - MessageType
  - SplashScreen
  - System
  - Time
  - Viewport
- display
  - CapsStyle
  - DisplayObject
  - FillRule
  - Graphics
  - GraphicsCommand
  - GraphicsCommandType
  - GraphicsData
  - GraphicsGradient
  - GraphicsLinearGradient
  - GraphicsPath
  - GraphicsPattern
  - JointStyle
  - Orientation
  - Sprite
  - Stage
  - StageScaleMode
  - TilingInfo
  - text
    - BitmapTextField
    - FontAlign
    - FontMetrics
    - FontStyle
    - FontVerticalAlign
    - FontWeight
    - TextField
    - TextMetricsData
    - TextMetricsEx
    - TextSegmentMetricsData
    - TextStyle
- drivers
  - BitmapTextRenderer
  - BlendMode
  - GraphicsRenderer
  - Renderer
  - RenderSession
  - RenderTarget
  - TextRenderer
  - VideoNullDriver
  - canvas
    - BitmapTextRendererCanvas
    - CanvasDriver
    - DisplayObjectRendererCanvas
    - EmitterRendererCanvas
    - GraphicsRendererCanvas
    - RenderTargetCanvas
    - SpriteRendererCanvas
    - TextRendererCanvas
- geom
  - Circle
  - Curve
  - Line
  - Matrix
  - Polygon
  - Rectangle
  - Vector
- input
  - Input
  - InputComponent
  - Key
  - KeyInfo
  - PointerInfo
- parsers
  - BVGParser
  - BVGStyle
- particles
  - Emitter
  - EmitterSortOrder
  - EmitterState
  - Modifier
  - Particle
  - modifiers
    - Acceleration
    - AlphaOverLife
    - AnchorOverLife
    - ColorOverLife
    - InitialAnchor
    - InitialColor
    - InitialLife
    - InitialMass
    - InitialPosition
    - InitialRotation
    - InitialScale
    - InitialTexture
    - InitialVelocity
    - Oriented
    - RotationOverLife
    - ScaleOverLife
    - TextureOverLife
    - VectorField
- physics
  - RigidBody
  - arcade
    - Arcade
    - helpers
      - Projection
      - Range
    - pairs
      - BoxToBoxPair
      - BoxToCirclePair
      - CircleToCirclePair
      - Pair
    - phases
      - BroadPhase
- scatters
  - FloatCurveScatter
  - FloatScatter
  - RadialScatter
  - Scatter
  - VectorCurveScatter
  - VectorScatter
- system
  - Device
- textures
  - AtlasTexture
  - CanvasRenderTexture
  - Texture
- timers
  - Timer
- utils
  - ColorHelper
  - Glob
  - HSV
  - MapMap
  - ObjectPool
  - RGB

;

Class Time

Provides time related methods.

Properties

now : number property
Time since start in seconds.

dt : number property
Time since last frame.

alpha : number property
Time since last update.

delta : number property
Time since last frame.

scale : number property
Gets/Sets timescale for engine