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62 lines
1.4 KiB
62 lines
1.4 KiB
( function () {
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class LottieLoader extends THREE.Loader {
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setQuality( value ) {
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this._quality = value;
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}
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load( url, onLoad, onProgress, onError ) {
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const quality = this._quality || 1;
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const texture = new THREE.CanvasTexture();
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texture.minFilter = THREE.NearestFilter;
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const loader = new THREE.FileLoader( this.manager );
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loader.setPath( this.path );
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loader.setWithCredentials( this.withCredentials );
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loader.load( url, function ( text ) {
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const data = JSON.parse( text );
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// lottie uses container.offetWidth and offsetHeight
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// to define width/height
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const container = document.createElement( 'div' );
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container.style.width = data.w + 'px';
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container.style.height = data.h + 'px';
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document.body.appendChild( container );
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const animation = lottie.loadAnimation( {
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container: container,
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animType: 'canvas',
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loop: true,
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autoplay: true,
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animationData: data,
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rendererSettings: {
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dpr: quality
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}
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} );
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texture.animation = animation;
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texture.image = animation.container;
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animation.addEventListener( 'enterFrame', function () {
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texture.needsUpdate = true;
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} );
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container.style.display = 'none';
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if ( onLoad !== undefined ) {
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onLoad( texture );
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}
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}, onProgress, onError );
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return texture;
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}
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}
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THREE.LottieLoader = LottieLoader;
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} )();
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