fireball/lib/animation/tracks/BooleanKeyframeTrack.js

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2018-12-25 13:59:22 +00:00
import { InterpolateDiscrete } from '../../constants.js';
import { KeyframeTrack } from '../KeyframeTrack.js';
/**
*
* A Track of Boolean keyframe values.
*
*
* @author Ben Houston / http://clara.io/
* @author David Sarno / http://lighthaus.us/
* @author tschw
*/
function BooleanKeyframeTrack( name, times, values ) {
KeyframeTrack.call( this, name, times, values );
}
BooleanKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
constructor: BooleanKeyframeTrack,
ValueTypeName: 'bool',
ValueBufferType: Array,
DefaultInterpolation: InterpolateDiscrete,
InterpolantFactoryMethodLinear: undefined,
InterpolantFactoryMethodSmooth: undefined
// Note: Actually this track could have a optimized / compressed
// representation of a single value and a custom interpolant that
// computes "firstValue ^ isOdd( index )".
} );
export { BooleanKeyframeTrack };