Accueil / npm / three@0.186.1 / src / materials / nodes / MeshPhongNodeMaterial.js
MeshPhongNodeMaterial.js
import NodeMaterial from './NodeMaterial.js';
import { shininess, specularColor } from '../../nodes/core/PropertyNode.js';
import { materialShininess, materialSpecular } from '../../nodes/accessors/MaterialNode.js';
import { float } from '../../nodes/tsl/TSLBase.js';
import BasicEnvironmentNode from '../../nodes/lighting/BasicEnvironmentNode.js';
import PhongLightingModel from '../../nodes/functions/PhongLightingModel.js';
import { MeshPhongMaterial } from '../MeshPhongMaterial.js';
const _defaultValues = /*@__PURE__*/ new MeshPhongMaterial();
/**
* Node material version of {@link MeshPhongMaterial}.
*
* @augments NodeMaterial
*/
class MeshPhongNodeMaterial extends NodeMaterial {
static get type() {
return 'MeshPhongNodeMaterial';
}
/**
* Constructs a new mesh lambert node material.
*
* @param {Object} [parameters] - The configuration parameter.
*/
constructor( parameters ) {
super();
/**
* This flag can be used for type testing.
*
* @type {boolean}
* @readonly
* @default true
*/
this.isMeshPhongNodeMaterial = true;
/**
* Set to `true` because phong materials react on lights.
*
* @type {boolean}
* @default true
*/
this.lights = true;
/**
* The shininess of phong materials is by default inferred from the `shininess`
* property. This node property allows to overwrite the default
* and define the shininess with a node instead.
*
* If you don't want to overwrite the shininess but modify the existing
* value instead, use {@link materialShininess}.
*
* @type {?Node<float>}
* @default null
*/
this.shininessNode = null;
/**
* The specular color of phong materials is by default inferred from the
* `specular` property. This node property allows to overwrite the default
* and define the specular color with a node instead.
*
* If you don't want to overwrite the specular color but modify the existing
* value instead, use {@link materialSpecular}.
*
* @type {?Node<vec3>}
* @default null
*/
this.specularNode = null;
this.setDefaultValues( _defaultValues );
this.setValues( parameters );
}
/**
* Overwritten since this type of material uses {@link BasicEnvironmentNode}
* to implement the default environment mapping.
*
* @param {NodeBuilder} builder - The current node builder.
* @return {?BasicEnvironmentNode<vec3>} The environment node.
*/
setupEnvironment( builder ) {
const envNode = super.setupEnvironment( builder );
return envNode ? new BasicEnvironmentNode( envNode ) : null;
}
/**
* Setups the lighting model.
*
* @return {PhongLightingModel} The lighting model.
*/
setupLightingModel( /*builder*/ ) {
return new PhongLightingModel();
}
/**
* Setups the phong specific node variables.
*
* @param {NodeBuilder} builder - The current node builder.
*/
setupVariants( /*builder*/ ) {
// SHININESS
const shininessNode = ( this.shininessNode ? float( this.shininessNode ) : materialShininess ).max( 1e-4 ); // to prevent pow( 0.0, 0.0 )
shininess.assign( shininessNode );
// SPECULAR COLOR
const specularNode = this.specularNode || materialSpecular;
specularColor.assign( specularNode );
}
}
export default MeshPhongNodeMaterial;