import NodeMaterial from './NodeMaterial.js';
import { diffuseColor } from '../../nodes/core/PropertyNode.js';
import { directionToColor } from '../../nodes/utils/Packing.js';
import { materialOpacity } from '../../nodes/accessors/MaterialNode.js';
import { transformedNormalView } from '../../nodes/accessors/Normal.js';
import { float, vec4 } from '../../nodes/tsl/TSLBase.js';
import { MeshNormalMaterial } from '../MeshNormalMaterial.js';
const _defaultValues = /*@__PURE__*/ new MeshNormalMaterial();
/**
* Node material version of `MeshNormalMaterial`.
*
* @augments NodeMaterial
*/
class MeshNormalNodeMaterial extends NodeMaterial {
static get type() {
return 'MeshNormalNodeMaterial';
}
/**
* 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.isMeshNormalNodeMaterial = true;
this.setDefaultValues( _defaultValues );
this.setValues( parameters );
}
/**
* Overwrites the default implementation by computing the diffuse color
* based on the normal data.
*/
setupDiffuseColor() {
const opacityNode = this.opacityNode ? float( this.opacityNode ) : materialOpacity;
diffuseColor.assign( vec4( directionToColor( transformedNormalView ), opacityNode ) );
}
}
export default MeshNormalNodeMaterial;