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three

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JavaScript 3D library

threejs.org

mrdoob/three.js

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import { attribute } from '../core/AttributeNode.js'; import { varying } from '../core/VaryingNode.js'; import { modelWorldMatrix, modelViewMatrix } from './ModelNode.js'; export const positionGeometry = /*#__PURE__*/ attribute( 'position', 'vec3' ); export const positionLocal = /*#__PURE__*/ positionGeometry.toVar( 'positionLocal' ); export const positionWorld = /*#__PURE__*/ varying( modelWorldMatrix.mul( positionLocal ).xyz, 'v_positionWorld' ); export const positionWorldDirection = /*#__PURE__*/ varying( positionLocal.transformDirection( modelWorldMatrix ), 'v_positionWorldDirection' ).normalize().toVar( 'positionWorldDirection' ); export const positionView = /*#__PURE__*/ varying( modelViewMatrix.mul( positionLocal ).xyz, 'v_positionView' ); export const positionViewDirection = /*#__PURE__*/ varying( positionView.negate(), 'v_positionViewDirection' ).normalize().toVar( 'positionViewDirection' );