three 基础库
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2 years ago
import { TempNode } from './TempNode.js';
class InputNode extends TempNode {
constructor( type, params ) {
params = params || {};
params.shared = params.shared !== undefined ? params.shared : false;
super( type, params );
this.readonly = false;
}
setReadonly( value ) {
this.readonly = value;
this.hashProperties = this.readonly ? [ 'value' ] : undefined;
return this;
}
getReadonly( /* builder */ ) {
return this.readonly;
}
copy( source ) {
super.copy( source );
if ( source.readonly !== undefined ) this.readonly = source.readonly;
return this;
}
createJSONNode( meta ) {
const data = super.createJSONNode( meta );
if ( this.readonly === true ) data.readonly = this.readonly;
return data;
}
generate( builder, output, uuid, type, ns, needsUpdate ) {
uuid = builder.getUuid( uuid || this.getUuid() );
type = type || this.getType( builder );
const data = builder.getNodeData( uuid ),
readonly = this.getReadonly( builder ) && this.generateReadonly !== undefined;
if ( readonly ) {
return this.generateReadonly( builder, output, uuid, type, ns, needsUpdate );
} else {
if ( builder.isShader( 'vertex' ) ) {
if ( ! data.vertex ) {
data.vertex = builder.createVertexUniform( type, this, ns, needsUpdate, this.getLabel() );
}
return builder.format( data.vertex.name, type, output );
} else {
if ( ! data.fragment ) {
data.fragment = builder.createFragmentUniform( type, this, ns, needsUpdate, this.getLabel() );
}
return builder.format( data.fragment.name, type, output );
}
}
}
}
export { InputNode };