import { AnimationClip, AnimationMixer, Mesh } from '../../../build/three.module.js'; class MorphAnimMesh extends Mesh { constructor( geometry, material ) { super( geometry, material ); this.type = 'MorphAnimMesh'; this.mixer = new AnimationMixer( this ); this.activeAction = null; } setDirectionForward() { this.mixer.timeScale = 1.0; } setDirectionBackward() { this.mixer.timeScale = - 1.0; } playAnimation( label, fps ) { if ( this.activeAction ) { this.activeAction.stop(); this.activeAction = null; } const clip = AnimationClip.findByName( this, label ); if ( clip ) { const action = this.mixer.clipAction( clip ); action.timeScale = ( clip.tracks.length * fps ) / clip.duration; this.activeAction = action.play(); } else { throw new Error( 'THREE.MorphAnimMesh: animations[' + label + '] undefined in .playAnimation()' ); } } updateAnimation( delta ) { this.mixer.update( delta ); } copy( source ) { super.copy( source ); this.mixer = new AnimationMixer( this ); return this; } } export { MorphAnimMesh };