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56 lines
779 B
56 lines
779 B
import { FloatNode } from '../inputs/FloatNode.js';
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class MaxMIPLevelNode extends FloatNode {
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constructor( texture ) {
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super();
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this.texture = texture;
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this.maxMIPLevel = 0;
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}
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get value() {
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if ( this.maxMIPLevel === 0 ) {
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var image = this.texture.value.image;
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if ( Array.isArray( image ) ) image = image[ 0 ];
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this.maxMIPLevel = image !== undefined ? Math.log( Math.max( image.width, image.height ) ) * Math.LOG2E : 0;
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}
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return this.maxMIPLevel;
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}
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set value( val ) {
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}
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toJSON( meta ) {
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let data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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data.texture = this.texture.uuid;
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}
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return data;
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}
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}
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MaxMIPLevelNode.prototype.nodeType = 'MaxMIPLevel';
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export { MaxMIPLevelNode };
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