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