3D-Demo/jsm/nodes/core/TempNode.js

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2022-10-14 16:50:42 +08:00
import Node from './Node.js';
class TempNode extends Node {
constructor( type ) {
super( type );
}
build( builder, output ) {
const type = builder.getVectorType( this.getNodeType( builder, output ) );
const nodeData = builder.getDataFromNode( this );
if ( nodeData.propertyName !== undefined ) {
return builder.format( nodeData.propertyName, type, output );
} else if ( builder.context.temp !== false && type !== 'void ' && output !== 'void' && nodeData.dependenciesCount > 1 ) {
const snippet = super.build( builder, type );
const nodeVar = builder.getVarFromNode( this, type );
const propertyName = builder.getPropertyName( nodeVar );
builder.addFlowCode( `${propertyName} = ${snippet}` );
nodeData.snippet = snippet;
nodeData.propertyName = propertyName;
return builder.format( nodeData.propertyName, type, output );
}
return super.build( builder, output );
}
}
TempNode.prototype.isTempNode = true;
export default TempNode;