49 lines
		
	
	
		
			764 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			49 lines
		
	
	
		
			764 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 
								 | 
							
								import Node, { addNodeClass } from '../core/Node.js';
							 | 
						||
| 
								 | 
							
								import { positionView } from '../accessors/PositionNode.js';
							 | 
						||
| 
								 | 
							
								import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								class FogNode extends Node {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									constructor( colorNode, factorNode ) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										super( 'float' );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										this.isFogNode = true;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										this.colorNode = colorNode;
							 | 
						||
| 
								 | 
							
										this.factorNode = factorNode;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									getViewZNode( builder ) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										let viewZ;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										const getViewZ = builder.context.getViewZ;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( getViewZ !== undefined ) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											viewZ = getViewZ( this );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return ( viewZ || positionView.z ).negate();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									setup() {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return this.factorNode;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								export default FogNode;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								export const fog = nodeProxy( FogNode );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								addNodeElement( 'fog', fog );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								addNodeClass( 'FogNode', FogNode );
							 |