Chapter 290: BooleanKeyframeTrack

Core Idea

A track for boolean keyframe values.

Key Concepts

• DefaultInterpolation : InterpolateLinear | InterpolateDiscrete | InterpolateSmooth: The default interpolation type of this keyframe track.
• ValueBufferType : TypedArray | Array: The value buffer type of this keyframe track.
• ValueTypeName : string: The value type name.

Reference Tables

Constructor

Signature
new BooleanKeyframeTrack( name : string, times : Array.<number>, values : Array.<boolean> )

Properties

Property	Description
`.DefaultInterpolation : InterpolateLinear	InterpolateDiscrete
`.ValueBufferType : TypedArray	Array`
.ValueTypeName : string	The value type name.

Key Takeaways

1. BooleanKeyframeTrack extends: KeyframeTrack
2. Most relevant properties: DefaultInterpolation, ValueBufferType, ValueTypeName.

Connects To

• KeyframeTrack: parent class
• Source: src/animation/tracks/BooleanKeyframeTrack.js