Accueil / npm / three@0.171.0 / src / nodes / functions / BSDF / Schlick_to_F0.js

Schlick_to_F0.js

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import { Fn, vec3 } from '../../tsl/TSLBase.js';

const Schlick_to_F0 = /*@__PURE__*/ Fn( ( { f, f90, dotVH } ) => {

	const x = dotVH.oneMinus().saturate();
	const x2 = x.mul( x );
	const x5 = x.mul( x2, x2 ).clamp( 0, .9999 );

	return f.sub( vec3( f90 ).mul( x5 ) ).div( x5.oneMinus() );

} ).setLayout( {
	name: 'Schlick_to_F0',
	type: 'vec3',
	inputs: [
		{ name: 'f', type: 'vec3' },
		{ name: 'f90', type: 'float' },
		{ name: 'dotVH', type: 'float' }
	]
} );

export default Schlick_to_F0;