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three

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JavaScript 3D library

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import { MathUtils } from "../../../build/three.module.js"; var ColorConverter = { setHSV: function ( color, h, s, v ) { // https://gist.github.com/xpansive/1337890#file-index-js h = MathUtils.euclideanModulo( h, 1 ); s = MathUtils.clamp( s, 0, 1 ); v = MathUtils.clamp( v, 0, 1 ); return color.setHSL( h, ( s * v ) / ( ( h = ( 2 - s ) * v ) < 1 ? h : ( 2 - h ) ), h * 0.5 ); }, getHSV: function () { var hsl = {}; return function getHSV( color, target ) { if ( target === undefined ) { console.warn( 'THREE.ColorConverter: .getHSV() target is now required' ); target = { h: 0, s: 0, l: 0 }; } color.getHSL( hsl ); // based on https://gist.github.com/xpansive/1337890#file-index-js hsl.s *= ( hsl.l < 0.5 ) ? hsl.l : ( 1 - hsl.l ); target.h = hsl.h; target.s = 2 * hsl.s / ( hsl.l + hsl.s ); target.v = hsl.l + hsl.s; return target; }; }(), // where c, m, y, k is between 0 and 1 setCMYK: function ( color, c, m, y, k ) { var r = ( 1 - c ) * ( 1 - k ); var g = ( 1 - m ) * ( 1 - k ); var b = ( 1 - y ) * ( 1 - k ); return color.setRGB( r, g, b ); }, getCMYK: function ( color, target ) { if ( target === undefined ) { console.warn( 'THREE.ColorConverter: .getCMYK() target is now required' ); target = { c: 0, m: 0, y: 0, k: 0 }; } var r = color.r; var g = color.g; var b = color.b; var k = 1 - Math.max( r, g, b ); var c = ( 1 - r - k ) / ( 1 - k ); var m = ( 1 - g - k ) / ( 1 - k ); var y = ( 1 - b - k ) / ( 1 - k ); target.c = c; target.m = m; target.y = y; target.k = k; return target; } }; export { ColorConverter };