Accueil / npm / three@0.186.1 / src / materials / nodes / MeshMatcapNodeMaterial.js
MeshMatcapNodeMaterial.js
import NodeMaterial from './NodeMaterial.js';
import { materialReference } from '../../nodes/accessors/MaterialReferenceNode.js';
import { diffuseColor } from '../../nodes/core/PropertyNode.js';
import { vec3 } from '../../nodes/tsl/TSLBase.js';
import { mix } from '../../nodes/math/MathNode.js';
import { matcapUV } from '../../nodes/utils/MatcapUV.js';
import { MeshMatcapMaterial } from '../MeshMatcapMaterial.js';
const _defaultValues = /*@__PURE__*/ new MeshMatcapMaterial();
/**
* Node material version of {@link MeshMatcapMaterial}.
*
* @augments NodeMaterial
*/
class MeshMatcapNodeMaterial extends NodeMaterial {
static get type() {
return 'MeshMatcapNodeMaterial';
}
/**
* Constructs a new mesh normal 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.isMeshMatcapNodeMaterial = true;
this.setDefaultValues( _defaultValues );
this.setValues( parameters );
}
/**
* Setups the matcap specific node variables.
*
* @param {NodeBuilder} builder - The current node builder.
*/
setupVariants( builder ) {
const uv = matcapUV;
let matcapColor;
if ( builder.material.matcap ) {
matcapColor = materialReference( 'matcap', 'texture' ).context( { getUV: () => uv } );
} else {
matcapColor = vec3( mix( 0.2, 0.8, uv.y ) ); // default if matcap is missing
}
diffuseColor.rgb.mulAssign( matcapColor.rgb );
}
}
export default MeshMatcapNodeMaterial;