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/**
* @author sunag / http://www.sunag.com.br/
*/
import { TempNode } from '../core/TempNode.js';
import { FunctionNode } from '../core/FunctionNode.js';
import { UVNode } from '../accessors/UVNode.js';
function NoiseNode( uv ) {
TempNode.call( this, 'f' );
this.uv = uv || new UVNode();
}
NoiseNode.prototype = Object.create( TempNode.prototype );
NoiseNode.prototype.constructor = NoiseNode;
NoiseNode.prototype.nodeType = "Noise";
NoiseNode.Nodes = ( function () {
var snoise = new FunctionNode( [
"float snoise(vec2 co) {",
" return fract( sin( dot( co.xy, vec2( 12.9898, 78.233 ) ) ) * 43758.5453 );",
"}"
].join( "\n" ) );
return {
snoise: snoise
};
} )();
NoiseNode.prototype.generate = function ( builder, output ) {
var snoise = builder.include( NoiseNode.Nodes.snoise );
return builder.format( snoise + '( ' + this.uv.build( builder, 'v2' ) + ' )', this.getType( builder ), output );
};
NoiseNode.prototype.copy = function ( source ) {
TempNode.prototype.copy.call( this, source );
this.uv = source.uv;
};
NoiseNode.prototype.toJSON = function ( meta ) {
var data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.uv = this.uv.toJSON( meta ).uuid;
}
return data;
};
export { NoiseNode };
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