607 lines
13 KiB
JavaScript
607 lines
13 KiB
JavaScript
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import { _Math } from './Math.js';
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/**
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* @author mrdoob / http://mrdoob.com/
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*/
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var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,
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'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,
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'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,
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'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,
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'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,
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'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,
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'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,
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'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,
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'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,
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'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,
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'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,
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'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,
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'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,
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'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,
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'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,
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'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,
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'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,
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'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,
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'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,
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'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,
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'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,
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'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,
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'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,
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'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };
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function Color( r, g, b ) {
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if ( g === undefined && b === undefined ) {
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// r is THREE.Color, hex or string
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return this.set( r );
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}
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return this.setRGB( r, g, b );
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}
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Object.assign( Color.prototype, {
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isColor: true,
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r: 1, g: 1, b: 1,
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set: function ( value ) {
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if ( value && value.isColor ) {
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this.copy( value );
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} else if ( typeof value === 'number' ) {
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this.setHex( value );
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} else if ( typeof value === 'string' ) {
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this.setStyle( value );
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}
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return this;
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},
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setScalar: function ( scalar ) {
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this.r = scalar;
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this.g = scalar;
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this.b = scalar;
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return this;
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},
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setHex: function ( hex ) {
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hex = Math.floor( hex );
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this.r = ( hex >> 16 & 255 ) / 255;
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this.g = ( hex >> 8 & 255 ) / 255;
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this.b = ( hex & 255 ) / 255;
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return this;
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},
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setRGB: function ( r, g, b ) {
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this.r = r;
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this.g = g;
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this.b = b;
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return this;
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},
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setHSL: function () {
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function hue2rgb( p, q, t ) {
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if ( t < 0 ) t += 1;
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if ( t > 1 ) t -= 1;
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if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;
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if ( t < 1 / 2 ) return q;
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if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );
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return p;
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}
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return function setHSL( h, s, l ) {
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// h,s,l ranges are in 0.0 - 1.0
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h = _Math.euclideanModulo( h, 1 );
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s = _Math.clamp( s, 0, 1 );
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l = _Math.clamp( l, 0, 1 );
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if ( s === 0 ) {
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this.r = this.g = this.b = l;
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} else {
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var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );
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var q = ( 2 * l ) - p;
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this.r = hue2rgb( q, p, h + 1 / 3 );
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this.g = hue2rgb( q, p, h );
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this.b = hue2rgb( q, p, h - 1 / 3 );
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}
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return this;
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};
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}(),
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setStyle: function ( style ) {
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function handleAlpha( string ) {
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if ( string === undefined ) return;
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if ( parseFloat( string ) < 1 ) {
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console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );
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}
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}
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var m;
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if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) {
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// rgb / hsl
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var color;
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var name = m[ 1 ];
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var components = m[ 2 ];
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switch ( name ) {
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case 'rgb':
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case 'rgba':
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if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
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// rgb(255,0,0) rgba(255,0,0,0.5)
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this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;
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this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;
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this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;
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handleAlpha( color[ 5 ] );
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return this;
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}
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if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
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// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)
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this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;
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this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;
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this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;
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handleAlpha( color[ 5 ] );
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return this;
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}
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break;
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case 'hsl':
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case 'hsla':
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if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
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// hsl(120,50%,50%) hsla(120,50%,50%,0.5)
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var h = parseFloat( color[ 1 ] ) / 360;
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var s = parseInt( color[ 2 ], 10 ) / 100;
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var l = parseInt( color[ 3 ], 10 ) / 100;
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handleAlpha( color[ 5 ] );
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return this.setHSL( h, s, l );
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}
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break;
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}
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} else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) {
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// hex color
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var hex = m[ 1 ];
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var size = hex.length;
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if ( size === 3 ) {
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// #ff0
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this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;
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this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;
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this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;
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return this;
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} else if ( size === 6 ) {
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// #ff0000
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this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;
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this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;
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this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;
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return this;
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}
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}
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if ( style && style.length > 0 ) {
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// color keywords
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var hex = ColorKeywords[ style ];
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if ( hex !== undefined ) {
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// red
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this.setHex( hex );
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} else {
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// unknown color
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console.warn( 'THREE.Color: Unknown color ' + style );
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}
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}
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return this;
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},
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clone: function () {
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return new this.constructor( this.r, this.g, this.b );
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},
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copy: function ( color ) {
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this.r = color.r;
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this.g = color.g;
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this.b = color.b;
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return this;
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},
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copyGammaToLinear: function ( color, gammaFactor ) {
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if ( gammaFactor === undefined ) gammaFactor = 2.0;
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this.r = Math.pow( color.r, gammaFactor );
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this.g = Math.pow( color.g, gammaFactor );
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this.b = Math.pow( color.b, gammaFactor );
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return this;
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},
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copyLinearToGamma: function ( color, gammaFactor ) {
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if ( gammaFactor === undefined ) gammaFactor = 2.0;
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var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;
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this.r = Math.pow( color.r, safeInverse );
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this.g = Math.pow( color.g, safeInverse );
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this.b = Math.pow( color.b, safeInverse );
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return this;
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},
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convertGammaToLinear: function ( gammaFactor ) {
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this.copyGammaToLinear( this, gammaFactor );
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return this;
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},
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convertLinearToGamma: function ( gammaFactor ) {
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this.copyLinearToGamma( this, gammaFactor );
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return this;
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},
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copySRGBToLinear: function () {
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function SRGBToLinear( c ) {
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return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );
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}
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return function copySRGBToLinear( color ) {
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this.r = SRGBToLinear( color.r );
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this.g = SRGBToLinear( color.g );
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this.b = SRGBToLinear( color.b );
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return this;
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};
|
||
|
|
|
||
|
|
}(),
|
||
|
|
|
||
|
|
copyLinearToSRGB: function () {
|
||
|
|
|
||
|
|
function LinearToSRGB( c ) {
|
||
|
|
|
||
|
|
return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return function copyLinearToSRGB( color ) {
|
||
|
|
|
||
|
|
this.r = LinearToSRGB( color.r );
|
||
|
|
this.g = LinearToSRGB( color.g );
|
||
|
|
this.b = LinearToSRGB( color.b );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}(),
|
||
|
|
|
||
|
|
convertSRGBToLinear: function () {
|
||
|
|
|
||
|
|
this.copySRGBToLinear( this );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
convertLinearToSRGB: function () {
|
||
|
|
|
||
|
|
this.copyLinearToSRGB( this );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
getHex: function () {
|
||
|
|
|
||
|
|
return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
getHexString: function () {
|
||
|
|
|
||
|
|
return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
getHSL: function ( target ) {
|
||
|
|
|
||
|
|
// h,s,l ranges are in 0.0 - 1.0
|
||
|
|
|
||
|
|
if ( target === undefined ) {
|
||
|
|
|
||
|
|
console.warn( 'THREE.Color: .getHSL() target is now required' );
|
||
|
|
target = { h: 0, s: 0, l: 0 };
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var r = this.r, g = this.g, b = this.b;
|
||
|
|
|
||
|
|
var max = Math.max( r, g, b );
|
||
|
|
var min = Math.min( r, g, b );
|
||
|
|
|
||
|
|
var hue, saturation;
|
||
|
|
var lightness = ( min + max ) / 2.0;
|
||
|
|
|
||
|
|
if ( min === max ) {
|
||
|
|
|
||
|
|
hue = 0;
|
||
|
|
saturation = 0;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
var delta = max - min;
|
||
|
|
|
||
|
|
saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );
|
||
|
|
|
||
|
|
switch ( max ) {
|
||
|
|
|
||
|
|
case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;
|
||
|
|
case g: hue = ( b - r ) / delta + 2; break;
|
||
|
|
case b: hue = ( r - g ) / delta + 4; break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
hue /= 6;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
target.h = hue;
|
||
|
|
target.s = saturation;
|
||
|
|
target.l = lightness;
|
||
|
|
|
||
|
|
return target;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
getStyle: function () {
|
||
|
|
|
||
|
|
return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
offsetHSL: function () {
|
||
|
|
|
||
|
|
var hsl = {};
|
||
|
|
|
||
|
|
return function ( h, s, l ) {
|
||
|
|
|
||
|
|
this.getHSL( hsl );
|
||
|
|
|
||
|
|
hsl.h += h; hsl.s += s; hsl.l += l;
|
||
|
|
|
||
|
|
this.setHSL( hsl.h, hsl.s, hsl.l );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}(),
|
||
|
|
|
||
|
|
add: function ( color ) {
|
||
|
|
|
||
|
|
this.r += color.r;
|
||
|
|
this.g += color.g;
|
||
|
|
this.b += color.b;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
addColors: function ( color1, color2 ) {
|
||
|
|
|
||
|
|
this.r = color1.r + color2.r;
|
||
|
|
this.g = color1.g + color2.g;
|
||
|
|
this.b = color1.b + color2.b;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
addScalar: function ( s ) {
|
||
|
|
|
||
|
|
this.r += s;
|
||
|
|
this.g += s;
|
||
|
|
this.b += s;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
sub: function ( color ) {
|
||
|
|
|
||
|
|
this.r = Math.max( 0, this.r - color.r );
|
||
|
|
this.g = Math.max( 0, this.g - color.g );
|
||
|
|
this.b = Math.max( 0, this.b - color.b );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
multiply: function ( color ) {
|
||
|
|
|
||
|
|
this.r *= color.r;
|
||
|
|
this.g *= color.g;
|
||
|
|
this.b *= color.b;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
multiplyScalar: function ( s ) {
|
||
|
|
|
||
|
|
this.r *= s;
|
||
|
|
this.g *= s;
|
||
|
|
this.b *= s;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
lerp: function ( color, alpha ) {
|
||
|
|
|
||
|
|
this.r += ( color.r - this.r ) * alpha;
|
||
|
|
this.g += ( color.g - this.g ) * alpha;
|
||
|
|
this.b += ( color.b - this.b ) * alpha;
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
lerpHSL: function () {
|
||
|
|
|
||
|
|
var hslA = { h: 0, s: 0, l: 0 };
|
||
|
|
var hslB = { h: 0, s: 0, l: 0 };
|
||
|
|
|
||
|
|
return function lerpHSL( color, alpha ) {
|
||
|
|
|
||
|
|
this.getHSL( hslA );
|
||
|
|
color.getHSL( hslB );
|
||
|
|
|
||
|
|
var h = _Math.lerp( hslA.h, hslB.h, alpha );
|
||
|
|
var s = _Math.lerp( hslA.s, hslB.s, alpha );
|
||
|
|
var l = _Math.lerp( hslA.l, hslB.l, alpha );
|
||
|
|
|
||
|
|
this.setHSL( h, s, l );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}(),
|
||
|
|
|
||
|
|
equals: function ( c ) {
|
||
|
|
|
||
|
|
return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
fromArray: function ( array, offset ) {
|
||
|
|
|
||
|
|
if ( offset === undefined ) offset = 0;
|
||
|
|
|
||
|
|
this.r = array[ offset ];
|
||
|
|
this.g = array[ offset + 1 ];
|
||
|
|
this.b = array[ offset + 2 ];
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
toArray: function ( array, offset ) {
|
||
|
|
|
||
|
|
if ( array === undefined ) array = [];
|
||
|
|
if ( offset === undefined ) offset = 0;
|
||
|
|
|
||
|
|
array[ offset ] = this.r;
|
||
|
|
array[ offset + 1 ] = this.g;
|
||
|
|
array[ offset + 2 ] = this.b;
|
||
|
|
|
||
|
|
return array;
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
toJSON: function () {
|
||
|
|
|
||
|
|
return this.getHex();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
export { Color };
|