kopia lustrzana https://github.com/robhawkes/vizicities
58 wiersze
1.1 KiB
JavaScript
58 wiersze
1.1 KiB
JavaScript
/**
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* @author bhouston / http://exocortex.com/
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* @author zz85 / http://github.com/zz85
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*/
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THREE.ColorConverter = {
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setHSV: function ( color, h, s, v ) {
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// https://gist.github.com/xpansive/1337890#file-index-js
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return color.setHSL( h, ( s * v ) / ( ( h = ( 2 - s ) * v ) < 1 ? h : ( 2 - h ) ), h * 0.5 );
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},
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getHSV: function( color ) {
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var hsl = color.getHSL();
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// based on https://gist.github.com/xpansive/1337890#file-index-js
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hsl.s *= ( hsl.l < 0.5 ) ? hsl.l : ( 1 - hsl.l );
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return {
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h: hsl.h,
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s: 2 * hsl.s / ( hsl.l + hsl.s ),
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v: hsl.l + hsl.s
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};
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},
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// where c, m, y, k is between 0 and 1
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setCMYK: function ( color, c, m, y, k ) {
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var r = ( 1 - c ) * ( 1 - k );
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var g = ( 1 - m ) * ( 1 - k );
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var b = ( 1 - y ) * ( 1 - k );
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return color.setRGB( r, g, b );
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},
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getCMYK: function ( color ) {
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var r = color.r;
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var g = color.g;
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var b = color.b;
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var k = 1 - Math.max(r, g, b);
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var c = ( 1 - r - k ) / ( 1 - k );
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var m = ( 1 - g - k ) / ( 1 - k );
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var y = ( 1 - b - k ) / ( 1 - k );
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return {
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c: c, m: m, y: y, k: k
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};
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}
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}; |