88 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
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import { diffuseColor, metalness, roughness, specularColor, specularF90 } from '../core/PropertyNode.js';
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import { mix } from '../math/MathNode.js';
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import { materialRoughness, materialMetalness } from '../accessors/MaterialNode.js';
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import getRoughness from '../functions/material/getRoughness.js';
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import PhysicalLightingModel from '../functions/PhysicalLightingModel.js';
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import { float, vec3, vec4 } from '../shadernode/ShaderNode.js';
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import { MeshStandardMaterial } from 'three';
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const defaultValues = new MeshStandardMaterial();
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class MeshStandardNodeMaterial extends NodeMaterial {
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	constructor( parameters ) {
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		super();
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		this.isMeshStandardNodeMaterial = true;
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		this.emissiveNode = null;
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		this.metalnessNode = null;
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		this.roughnessNode = null;
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		this.setDefaultValues( defaultValues );
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		this.setValues( parameters );
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	}
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	setupLightingModel( /*builder*/ ) {
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		return new PhysicalLightingModel();
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	}
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	setupSpecular() {
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		const specularColorNode = mix( vec3( 0.04 ), diffuseColor.rgb, metalness );
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		specularColor.assign( specularColorNode );
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		specularF90.assign( 1.0 );
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	}
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	setupVariants() {
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		// METALNESS
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		const metalnessNode = this.metalnessNode ? float( this.metalnessNode ) : materialMetalness;
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		metalness.assign( metalnessNode );
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		// ROUGHNESS
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		let roughnessNode = this.roughnessNode ? float( this.roughnessNode ) : materialRoughness;
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		roughnessNode = getRoughness( { roughness: roughnessNode } );
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		roughness.assign( roughnessNode );
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		// SPECULAR COLOR
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		this.setupSpecular();
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		// DIFFUSE COLOR
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		diffuseColor.assign( vec4( diffuseColor.rgb.mul( metalnessNode.oneMinus() ), diffuseColor.a ) );
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	}
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	copy( source ) {
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		this.emissiveNode = source.emissiveNode;
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		this.metalnessNode = source.metalnessNode;
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		this.roughnessNode = source.roughnessNode;
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		return super.copy( source );
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	}
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}
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export default MeshStandardNodeMaterial;
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addNodeMaterial( 'MeshStandardNodeMaterial', MeshStandardNodeMaterial );
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