three
Version:
JavaScript 3D library
13 lines (7 loc) • 382 B
JavaScript
import { ShaderNode, max, abs, dFdx, dFdy, normalGeometry } from '../../shadernode/ShaderNodeBaseElements.js';
const getGeometryRoughness = new ShaderNode( () => {
const dxy = max( abs( dFdx( normalGeometry ) ), abs( dFdy( normalGeometry ) ) );
const geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
return geometryRoughness;
} );
export default getGeometryRoughness;