node-ejs-renderer/node_modules/three/examples/jsm/nodes/utils/JoinNode.js

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2024-06-09 13:55:01 -04:00
import { addNodeClass } from '../core/Node.js';
import TempNode from '../core/TempNode.js';
class JoinNode extends TempNode {
constructor( nodes = [], nodeType = null ) {
super( nodeType );
this.nodes = nodes;
}
getNodeType( builder ) {
if ( this.nodeType !== null ) {
return builder.getVectorType( this.nodeType );
}
return builder.getTypeFromLength( this.nodes.reduce( ( count, cur ) => count + builder.getTypeLength( cur.getNodeType( builder ) ), 0 ) );
}
generate( builder, output ) {
const type = this.getNodeType( builder );
const nodes = this.nodes;
const primitiveType = builder.getComponentType( type );
const snippetValues = [];
for ( const input of nodes ) {
let inputSnippet = input.build( builder );
const inputPrimitiveType = builder.getComponentType( input.getNodeType( builder ) );
if ( inputPrimitiveType !== primitiveType ) {
inputSnippet = builder.format( inputSnippet, inputPrimitiveType, primitiveType );
}
snippetValues.push( inputSnippet );
}
const snippet = `${ builder.getType( type ) }( ${ snippetValues.join( ', ' ) } )`;
return builder.format( snippet, type, output );
}
}
export default JoinNode;
addNodeClass( 'JoinNode', JoinNode );