PBR from one image

mrdoob · April 28, 2019, 6:25am

Found the file:

mrdoob/three.js/blob/b6070a0c9da829bb66213e861d2298c879e12bbf/examples/js/utils/ImageUtils.js

/**
 * @author alteredq / http://alteredqualia.com/
 * @author mrdoob / http://mrdoob.com/
 * @author Daosheng Mu / https://github.com/DaoshengMu/
 */

THREE.ImageUtils = {

	getNormalMap: function ( image, depth ) {

		// Adapted from http://www.paulbrunt.co.uk/lab/heightnormal/

		function cross( a, b ) {

			return [ a[ 1 ] * b[ 2 ] - a[ 2 ] * b[ 1 ], a[ 2 ] * b[ 0 ] - a[ 0 ] * b[ 2 ], a[ 0 ] * b[ 1 ] - a[ 1 ] * b[ 0 ] ];

		}

		function subtract( a, b ) {

This file has been truncated. show original

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PBR from one image

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