three
Version:
JavaScript 3D library
66 lines (35 loc) • 1.14 kB
JavaScript
import { TempNode } from '../core/TempNode.js';
import { NodeLib } from '../core/NodeLib.js';
function UVNode( index ) {
TempNode.call( this, 'v2', { shared: false } );
this.index = index || 0;
}
UVNode.prototype = Object.create( TempNode.prototype );
UVNode.prototype.constructor = UVNode;
UVNode.prototype.nodeType = "UV";
UVNode.prototype.generate = function ( builder, output ) {
builder.requires.uv[ this.index ] = true;
var uvIndex = this.index > 0 ? this.index + 1 : '';
var result = builder.isShader( 'vertex' ) ? 'uv' + uvIndex : 'vUv' + uvIndex;
return builder.format( result, this.getType( builder ), output );
};
UVNode.prototype.copy = function ( source ) {
TempNode.prototype.copy.call( this, source );
this.index = source.index;
return this;
};
UVNode.prototype.toJSON = function ( meta ) {
var data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.index = this.index;
}
return data;
};
NodeLib.addKeyword( 'uv', function () {
return new UVNode();
} );
NodeLib.addKeyword( 'uv2', function () {
return new UVNode( 1 );
} );
export { UVNode };