82 lines
1.5 KiB
JavaScript
82 lines
1.5 KiB
JavaScript
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import Node, { addNodeClass } from '../core/Node.js';
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import { timerLocal } from './TimerNode.js';
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import { nodeObject, nodeProxy } from '../shadernode/ShaderNode.js';
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class OscNode extends Node {
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constructor( method = OscNode.SINE, timeNode = timerLocal() ) {
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super();
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this.method = method;
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this.timeNode = timeNode;
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}
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getNodeType( builder ) {
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return this.timeNode.getNodeType( builder );
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}
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setup() {
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const method = this.method;
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const timeNode = nodeObject( this.timeNode );
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let outputNode = null;
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if ( method === OscNode.SINE ) {
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outputNode = timeNode.add( 0.75 ).mul( Math.PI * 2 ).sin().mul( 0.5 ).add( 0.5 );
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} else if ( method === OscNode.SQUARE ) {
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outputNode = timeNode.fract().round();
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} else if ( method === OscNode.TRIANGLE ) {
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outputNode = timeNode.add( 0.5 ).fract().mul( 2 ).sub( 1 ).abs();
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} else if ( method === OscNode.SAWTOOTH ) {
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outputNode = timeNode.fract();
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}
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return outputNode;
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}
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serialize( data ) {
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super.serialize( data );
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data.method = this.method;
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}
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deserialize( data ) {
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super.deserialize( data );
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this.method = data.method;
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}
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}
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OscNode.SINE = 'sine';
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OscNode.SQUARE = 'square';
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OscNode.TRIANGLE = 'triangle';
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OscNode.SAWTOOTH = 'sawtooth';
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export default OscNode;
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export const oscSine = nodeProxy( OscNode, OscNode.SINE );
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export const oscSquare = nodeProxy( OscNode, OscNode.SQUARE );
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export const oscTriangle = nodeProxy( OscNode, OscNode.TRIANGLE );
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export const oscSawtooth = nodeProxy( OscNode, OscNode.SAWTOOTH );
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addNodeClass( 'OscNode', OscNode );
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