/files/threejs/r61/three.js
JavaScript | 2876 lines | 1564 code | 1191 blank | 121 comment | 200 complexity | c8123a5fef93439d18c0d821e2fd0601 MD5 | raw file
- /**
- * @author mrdoob / http://mrdoob.com/
- * @author Larry Battle / http://bateru.com/news
- * @author bhouston / http://exocortex.com
- */
- var THREE = THREE || { REVISION: '61' };
- self.console = self.console || {
- info: function () {},
- log: function () {},
- debug: function () {},
- warn: function () {},
- error: function () {}
- };
- String.prototype.trim = String.prototype.trim || function () {
- return this.replace( /^\s+|\s+$/g, '' );
- };
- // based on https://github.com/documentcloud/underscore/blob/bf657be243a075b5e72acc8a83e6f12a564d8f55/underscore.js#L767
- THREE.extend = function ( obj, source ) {
- // ECMAScript5 compatibility based on: http://www.nczonline.net/blog/2012/12/11/are-your-mixins-ecmascript-5-compatible/
- if ( Object.keys ) {
- var keys = Object.keys( source );
- for (var i = 0, il = keys.length; i < il; i++) {
- var prop = keys[i];
- Object.defineProperty( obj, prop, Object.getOwnPropertyDescriptor( source, prop ) );
- }
- } else {
- var safeHasOwnProperty = {}.hasOwnProperty;
- for ( var prop in source ) {
- if ( safeHasOwnProperty.call( source, prop ) ) {
- obj[prop] = source[prop];
- }
- }
- }
- return obj;
- };
- // http://paulirish.com/2011/requestanimationframe-for-smart-animating/
- // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
- // requestAnimationFrame polyfill by Erik Möller
- // fixes from Paul Irish and Tino Zijdel
- // using 'self' instead of 'window' for compatibility with both NodeJS and IE10.
- ( function () {
- var lastTime = 0;
- var vendors = [ 'ms', 'moz', 'webkit', 'o' ];
- for ( var x = 0; x < vendors.length && !self.requestAnimationFrame; ++ x ) {
- self.requestAnimationFrame = self[ vendors[ x ] + 'RequestAnimationFrame' ];
- self.cancelAnimationFrame = self[ vendors[ x ] + 'CancelAnimationFrame' ] || self[ vendors[ x ] + 'CancelRequestAnimationFrame' ];
- }
- if ( self.requestAnimationFrame === undefined && self['setTimeout'] !== undefined ) {
- self.requestAnimationFrame = function ( callback ) {
- var currTime = Date.now(), timeToCall = Math.max( 0, 16 - ( currTime - lastTime ) );
- var id = self.setTimeout( function() { callback( currTime + timeToCall ); }, timeToCall );
- lastTime = currTime + timeToCall;
- return id;
- };
- }
- if( self.cancelAnimationFrame === undefined && self['clearTimeout'] !== undefined ) {
- self.cancelAnimationFrame = function ( id ) { self.clearTimeout( id ) };
- }
- }() );
- // GL STATE CONSTANTS
- THREE.CullFaceNone = 0;
- THREE.CullFaceBack = 1;
- THREE.CullFaceFront = 2;
- THREE.CullFaceFrontBack = 3;
- THREE.FrontFaceDirectionCW = 0;
- THREE.FrontFaceDirectionCCW = 1;
- // SHADOWING TYPES
- THREE.BasicShadowMap = 0;
- THREE.PCFShadowMap = 1;
- THREE.PCFSoftShadowMap = 2;
- // MATERIAL CONSTANTS
- // side
- THREE.FrontSide = 0;
- THREE.BackSide = 1;
- THREE.DoubleSide = 2;
- // shading
- THREE.NoShading = 0;
- THREE.FlatShading = 1;
- THREE.SmoothShading = 2;
- // colors
- THREE.NoColors = 0;
- THREE.FaceColors = 1;
- THREE.VertexColors = 2;
- // blending modes
- THREE.NoBlending = 0;
- THREE.NormalBlending = 1;
- THREE.AdditiveBlending = 2;
- THREE.SubtractiveBlending = 3;
- THREE.MultiplyBlending = 4;
- THREE.CustomBlending = 5;
- // custom blending equations
- // (numbers start from 100 not to clash with other
- // mappings to OpenGL constants defined in Texture.js)
- THREE.AddEquation = 100;
- THREE.SubtractEquation = 101;
- THREE.ReverseSubtractEquation = 102;
- // custom blending destination factors
- THREE.ZeroFactor = 200;
- THREE.OneFactor = 201;
- THREE.SrcColorFactor = 202;
- THREE.OneMinusSrcColorFactor = 203;
- THREE.SrcAlphaFactor = 204;
- THREE.OneMinusSrcAlphaFactor = 205;
- THREE.DstAlphaFactor = 206;
- THREE.OneMinusDstAlphaFactor = 207;
- // custom blending source factors
- //THREE.ZeroFactor = 200;
- //THREE.OneFactor = 201;
- //THREE.SrcAlphaFactor = 204;
- //THREE.OneMinusSrcAlphaFactor = 205;
- //THREE.DstAlphaFactor = 206;
- //THREE.OneMinusDstAlphaFactor = 207;
- THREE.DstColorFactor = 208;
- THREE.OneMinusDstColorFactor = 209;
- THREE.SrcAlphaSaturateFactor = 210;
- // TEXTURE CONSTANTS
- THREE.MultiplyOperation = 0;
- THREE.MixOperation = 1;
- THREE.AddOperation = 2;
- // Mapping modes
- THREE.UVMapping = function () {};
- THREE.CubeReflectionMapping = function () {};
- THREE.CubeRefractionMapping = function () {};
- THREE.SphericalReflectionMapping = function () {};
- THREE.SphericalRefractionMapping = function () {};
- // Wrapping modes
- THREE.RepeatWrapping = 1000;
- THREE.ClampToEdgeWrapping = 1001;
- THREE.MirroredRepeatWrapping = 1002;
- // Filters
- THREE.NearestFilter = 1003;
- THREE.NearestMipMapNearestFilter = 1004;
- THREE.NearestMipMapLinearFilter = 1005;
- THREE.LinearFilter = 1006;
- THREE.LinearMipMapNearestFilter = 1007;
- THREE.LinearMipMapLinearFilter = 1008;
- // Data types
- THREE.UnsignedByteType = 1009;
- THREE.ByteType = 1010;
- THREE.ShortType = 1011;
- THREE.UnsignedShortType = 1012;
- THREE.IntType = 1013;
- THREE.UnsignedIntType = 1014;
- THREE.FloatType = 1015;
- // Pixel types
- //THREE.UnsignedByteType = 1009;
- THREE.UnsignedShort4444Type = 1016;
- THREE.UnsignedShort5551Type = 1017;
- THREE.UnsignedShort565Type = 1018;
- // Pixel formats
- THREE.AlphaFormat = 1019;
- THREE.RGBFormat = 1020;
- THREE.RGBAFormat = 1021;
- THREE.LuminanceFormat = 1022;
- THREE.LuminanceAlphaFormat = 1023;
- // Compressed texture formats
- THREE.RGB_S3TC_DXT1_Format = 2001;
- THREE.RGBA_S3TC_DXT1_Format = 2002;
- THREE.RGBA_S3TC_DXT3_Format = 2003;
- THREE.RGBA_S3TC_DXT5_Format = 2004;
- /*
- // Potential future PVRTC compressed texture formats
- THREE.RGB_PVRTC_4BPPV1_Format = 2100;
- THREE.RGB_PVRTC_2BPPV1_Format = 2101;
- THREE.RGBA_PVRTC_4BPPV1_Format = 2102;
- THREE.RGBA_PVRTC_2BPPV1_Format = 2103;
- */
- /**
- * @author mrdoob / http://mrdoob.com/
- */
- THREE.Color = function ( value ) {
- if ( value !== undefined ) this.set( value );
- return this;
- };
- THREE.Color.prototype = {
- constructor: THREE.Color,
- r: 1, g: 1, b: 1,
- set: function ( value ) {
- if ( value instanceof THREE.Color ) {
- this.copy( value );
- } else if ( typeof value === 'number' ) {
- this.setHex( value );
- } else if ( typeof value === 'string' ) {
- this.setStyle( value );
- }
- return this;
- },
- setHex: function ( hex ) {
- hex = Math.floor( hex );
- this.r = ( hex >> 16 & 255 ) / 255;
- this.g = ( hex >> 8 & 255 ) / 255;
- this.b = ( hex & 255 ) / 255;
- return this;
- },
- setRGB: function ( r, g, b ) {
- this.r = r;
- this.g = g;
- this.b = b;
- return this;
- },
- setHSL: function ( h, s, l ) {
- // h,s,l ranges are in 0.0 - 1.0
- if ( s === 0 ) {
- this.r = this.g = this.b = l;
- } else {
- var hue2rgb = function ( p, q, t ) {
- if ( t < 0 ) t += 1;
- if ( t > 1 ) t -= 1;
- if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;
- if ( t < 1 / 2 ) return q;
- if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );
- return p;
- };
- var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );
- var q = ( 2 * l ) - p;
- this.r = hue2rgb( q, p, h + 1 / 3 );
- this.g = hue2rgb( q, p, h );
- this.b = hue2rgb( q, p, h - 1 / 3 );
- }
- return this;
- },
- setStyle: function ( style ) {
- // rgb(255,0,0)
- if ( /^rgb\((\d+), ?(\d+), ?(\d+)\)$/i.test( style ) ) {
- var color = /^rgb\((\d+), ?(\d+), ?(\d+)\)$/i.exec( style );
- this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;
- this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;
- this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;
- return this;
- }
- // rgb(100%,0%,0%)
- if ( /^rgb\((\d+)\%, ?(\d+)\%, ?(\d+)\%\)$/i.test( style ) ) {
- var color = /^rgb\((\d+)\%, ?(\d+)\%, ?(\d+)\%\)$/i.exec( style );
- this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;
- this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;
- this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;
- return this;
- }
- // #ff0000
- if ( /^\#([0-9a-f]{6})$/i.test( style ) ) {
- var color = /^\#([0-9a-f]{6})$/i.exec( style );
- this.setHex( parseInt( color[ 1 ], 16 ) );
- return this;
- }
- // #f00
- if ( /^\#([0-9a-f])([0-9a-f])([0-9a-f])$/i.test( style ) ) {
- var color = /^\#([0-9a-f])([0-9a-f])([0-9a-f])$/i.exec( style );
- this.setHex( parseInt( color[ 1 ] + color[ 1 ] + color[ 2 ] + color[ 2 ] + color[ 3 ] + color[ 3 ], 16 ) );
- return this;
- }
- // red
- if ( /^(\w+)$/i.test( style ) ) {
- this.setHex( THREE.ColorKeywords[ style ] );
- return this;
- }
- },
- copy: function ( color ) {
- this.r = color.r;
- this.g = color.g;
- this.b = color.b;
- return this;
- },
- copyGammaToLinear: function ( color ) {
- this.r = color.r * color.r;
- this.g = color.g * color.g;
- this.b = color.b * color.b;
- return this;
- },
- copyLinearToGamma: function ( color ) {
- this.r = Math.sqrt( color.r );
- this.g = Math.sqrt( color.g );
- this.b = Math.sqrt( color.b );
- return this;
- },
- convertGammaToLinear: function () {
- var r = this.r, g = this.g, b = this.b;
- this.r = r * r;
- this.g = g * g;
- this.b = b * b;
- return this;
- },
- convertLinearToGamma: function () {
- this.r = Math.sqrt( this.r );
- this.g = Math.sqrt( this.g );
- this.b = Math.sqrt( this.b );
- 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 () {
- var hsl = { h: 0, s: 0, l: 0 };
- return function () {
- // h,s,l ranges are in 0.0 - 1.0
- 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;
- }
- hsl.h = hue;
- hsl.s = saturation;
- hsl.l = lightness;
- return hsl;
- };
- }(),
- getStyle: function () {
- return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';
- },
- offsetHSL: function ( h, s, l ) {
- var hsl = this.getHSL();
- 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;
- },
- 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;
- },
- equals: function ( c ) {
- return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );
- },
- fromArray: function ( array ) {
- this.r = array[ 0 ];
- this.g = array[ 1 ];
- this.b = array[ 2 ];
- return this;
- },
- toArray: function () {
- return [ this.r, this.g, this.b ];
- },
- clone: function () {
- return new THREE.Color().setRGB( this.r, this.g, this.b );
- }
- };
- THREE.ColorKeywords = { "aliceblue": 0xF0F8FF, "antiquewhite": 0xFAEBD7, "aqua": 0x00FFFF, "aquamarine": 0x7FFFD4, "azure": 0xF0FFFF,
- "beige": 0xF5F5DC, "bisque": 0xFFE4C4, "black": 0x000000, "blanchedalmond": 0xFFEBCD, "blue": 0x0000FF, "blueviolet": 0x8A2BE2,
- "brown": 0xA52A2A, "burlywood": 0xDEB887, "cadetblue": 0x5F9EA0, "chartreuse": 0x7FFF00, "chocolate": 0xD2691E, "coral": 0xFF7F50,
- "cornflowerblue": 0x6495ED, "cornsilk": 0xFFF8DC, "crimson": 0xDC143C, "cyan": 0x00FFFF, "darkblue": 0x00008B, "darkcyan": 0x008B8B,
- "darkgoldenrod": 0xB8860B, "darkgray": 0xA9A9A9, "darkgreen": 0x006400, "darkgrey": 0xA9A9A9, "darkkhaki": 0xBDB76B, "darkmagenta": 0x8B008B,
- "darkolivegreen": 0x556B2F, "darkorange": 0xFF8C00, "darkorchid": 0x9932CC, "darkred": 0x8B0000, "darksalmon": 0xE9967A, "darkseagreen": 0x8FBC8F,
- "darkslateblue": 0x483D8B, "darkslategray": 0x2F4F4F, "darkslategrey": 0x2F4F4F, "darkturquoise": 0x00CED1, "darkviolet": 0x9400D3,
- "deeppink": 0xFF1493, "deepskyblue": 0x00BFFF, "dimgray": 0x696969, "dimgrey": 0x696969, "dodgerblue": 0x1E90FF, "firebrick": 0xB22222,
- "floralwhite": 0xFFFAF0, "forestgreen": 0x228B22, "fuchsia": 0xFF00FF, "gainsboro": 0xDCDCDC, "ghostwhite": 0xF8F8FF, "gold": 0xFFD700,
- "goldenrod": 0xDAA520, "gray": 0x808080, "green": 0x008000, "greenyellow": 0xADFF2F, "grey": 0x808080, "honeydew": 0xF0FFF0, "hotpink": 0xFF69B4,
- "indianred": 0xCD5C5C, "indigo": 0x4B0082, "ivory": 0xFFFFF0, "khaki": 0xF0E68C, "lavender": 0xE6E6FA, "lavenderblush": 0xFFF0F5, "lawngreen": 0x7CFC00,
- "lemonchiffon": 0xFFFACD, "lightblue": 0xADD8E6, "lightcoral": 0xF08080, "lightcyan": 0xE0FFFF, "lightgoldenrodyellow": 0xFAFAD2, "lightgray": 0xD3D3D3,
- "lightgreen": 0x90EE90, "lightgrey": 0xD3D3D3, "lightpink": 0xFFB6C1, "lightsalmon": 0xFFA07A, "lightseagreen": 0x20B2AA, "lightskyblue": 0x87CEFA,
- "lightslategray": 0x778899, "lightslategrey": 0x778899, "lightsteelblue": 0xB0C4DE, "lightyellow": 0xFFFFE0, "lime": 0x00FF00, "limegreen": 0x32CD32,
- "linen": 0xFAF0E6, "magenta": 0xFF00FF, "maroon": 0x800000, "mediumaquamarine": 0x66CDAA, "mediumblue": 0x0000CD, "mediumorchid": 0xBA55D3,
- "mediumpurple": 0x9370DB, "mediumseagreen": 0x3CB371, "mediumslateblue": 0x7B68EE, "mediumspringgreen": 0x00FA9A, "mediumturquoise": 0x48D1CC,
- "mediumvioletred": 0xC71585, "midnightblue": 0x191970, "mintcream": 0xF5FFFA, "mistyrose": 0xFFE4E1, "moccasin": 0xFFE4B5, "navajowhite": 0xFFDEAD,
- "navy": 0x000080, "oldlace": 0xFDF5E6, "olive": 0x808000, "olivedrab": 0x6B8E23, "orange": 0xFFA500, "orangered": 0xFF4500, "orchid": 0xDA70D6,
- "palegoldenrod": 0xEEE8AA, "palegreen": 0x98FB98, "paleturquoise": 0xAFEEEE, "palevioletred": 0xDB7093, "papayawhip": 0xFFEFD5, "peachpuff": 0xFFDAB9,
- "peru": 0xCD853F, "pink": 0xFFC0CB, "plum": 0xDDA0DD, "powderblue": 0xB0E0E6, "purple": 0x800080, "red": 0xFF0000, "rosybrown": 0xBC8F8F,
- "royalblue": 0x4169E1, "saddlebrown": 0x8B4513, "salmon": 0xFA8072, "sandybrown": 0xF4A460, "seagreen": 0x2E8B57, "seashell": 0xFFF5EE,
- "sienna": 0xA0522D, "silver": 0xC0C0C0, "skyblue": 0x87CEEB, "slateblue": 0x6A5ACD, "slategray": 0x708090, "slategrey": 0x708090, "snow": 0xFFFAFA,
- "springgreen": 0x00FF7F, "steelblue": 0x4682B4, "tan": 0xD2B48C, "teal": 0x008080, "thistle": 0xD8BFD8, "tomato": 0xFF6347, "turquoise": 0x40E0D0,
- "violet": 0xEE82EE, "wheat": 0xF5DEB3, "white": 0xFFFFFF, "whitesmoke": 0xF5F5F5, "yellow": 0xFFFF00, "yellowgreen": 0x9ACD32 };
- /**
- * @author mikael emtinger / http://gomo.se/
- * @author alteredq / http://alteredqualia.com/
- * @author WestLangley / http://github.com/WestLangley
- * @author bhouston / http://exocortex.com
- */
- THREE.Quaternion = function ( x, y, z, w ) {
- this._x = x || 0;
- this._y = y || 0;
- this._z = z || 0;
- this._w = ( w !== undefined ) ? w : 1;
- };
- THREE.Quaternion.prototype = {
- constructor: THREE.Quaternion,
- _x: 0,_y: 0, _z: 0, _w: 0,
- _euler: undefined,
- _updateEuler: function ( callback ) {
- if ( this._euler !== undefined ) {
- this._euler.setFromQuaternion( this, undefined, false );
- }
- },
- get x () {
- return this._x;
- },
- set x ( value ) {
- this._x = value;
- this._updateEuler();
- },
- get y () {
- return this._y;
- },
- set y ( value ) {
- this._y = value;
- this._updateEuler();
- },
- get z () {
- return this._z;
- },
- set z ( value ) {
- this._z = value;
- this._updateEuler();
- },
- get w () {
- return this._w;
- },
- set w ( value ) {
- this._w = value;
- this._updateEuler();
- },
- set: function ( x, y, z, w ) {
- this._x = x;
- this._y = y;
- this._z = z;
- this._w = w;
- this._updateEuler();
- return this;
- },
- copy: function ( quaternion ) {
- this._x = quaternion._x;
- this._y = quaternion._y;
- this._z = quaternion._z;
- this._w = quaternion._w;
- this._updateEuler();
- return this;
- },
- setFromEuler: function ( euler, update ) {
- if ( euler instanceof THREE.Euler === false ) {
- throw new Error( 'ERROR: Quaternion\'s .setFromEuler() now expects a Euler rotation rather than a Vector3 and order. Please update your code.' );
- }
- // http://www.mathworks.com/matlabcentral/fileexchange/
- // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/
- // content/SpinCalc.m
- var c1 = Math.cos( euler._x / 2 );
- var c2 = Math.cos( euler._y / 2 );
- var c3 = Math.cos( euler._z / 2 );
- var s1 = Math.sin( euler._x / 2 );
- var s2 = Math.sin( euler._y / 2 );
- var s3 = Math.sin( euler._z / 2 );
- if ( euler.order === 'XYZ' ) {
- this._x = s1 * c2 * c3 + c1 * s2 * s3;
- this._y = c1 * s2 * c3 - s1 * c2 * s3;
- this._z = c1 * c2 * s3 + s1 * s2 * c3;
- this._w = c1 * c2 * c3 - s1 * s2 * s3;
- } else if ( euler.order === 'YXZ' ) {
- this._x = s1 * c2 * c3 + c1 * s2 * s3;
- this._y = c1 * s2 * c3 - s1 * c2 * s3;
- this._z = c1 * c2 * s3 - s1 * s2 * c3;
- this._w = c1 * c2 * c3 + s1 * s2 * s3;
- } else if ( euler.order === 'ZXY' ) {
- this._x = s1 * c2 * c3 - c1 * s2 * s3;
- this._y = c1 * s2 * c3 + s1 * c2 * s3;
- this._z = c1 * c2 * s3 + s1 * s2 * c3;
- this._w = c1 * c2 * c3 - s1 * s2 * s3;
- } else if ( euler.order === 'ZYX' ) {
- this._x = s1 * c2 * c3 - c1 * s2 * s3;
- this._y = c1 * s2 * c3 + s1 * c2 * s3;
- this._z = c1 * c2 * s3 - s1 * s2 * c3;
- this._w = c1 * c2 * c3 + s1 * s2 * s3;
- } else if ( euler.order === 'YZX' ) {
- this._x = s1 * c2 * c3 + c1 * s2 * s3;
- this._y = c1 * s2 * c3 + s1 * c2 * s3;
- this._z = c1 * c2 * s3 - s1 * s2 * c3;
- this._w = c1 * c2 * c3 - s1 * s2 * s3;
- } else if ( euler.order === 'XZY' ) {
- this._x = s1 * c2 * c3 - c1 * s2 * s3;
- this._y = c1 * s2 * c3 - s1 * c2 * s3;
- this._z = c1 * c2 * s3 + s1 * s2 * c3;
- this._w = c1 * c2 * c3 + s1 * s2 * s3;
- }
- if ( update !== false ) this._updateEuler();
- return this;
- },
- setFromAxisAngle: function ( axis, angle ) {
- // from http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
- // axis have to be normalized
- var halfAngle = angle / 2, s = Math.sin( halfAngle );
- this._x = axis.x * s;
- this._y = axis.y * s;
- this._z = axis.z * s;
- this._w = Math.cos( halfAngle );
- this._updateEuler();
- return this;
- },
- setFromRotationMatrix: function ( m ) {
- // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
- // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
- var te = m.elements,
- m11 = te[0], m12 = te[4], m13 = te[8],
- m21 = te[1], m22 = te[5], m23 = te[9],
- m31 = te[2], m32 = te[6], m33 = te[10],
- trace = m11 + m22 + m33,
- s;
- if ( trace > 0 ) {
- s = 0.5 / Math.sqrt( trace + 1.0 );
- this._w = 0.25 / s;
- this._x = ( m32 - m23 ) * s;
- this._y = ( m13 - m31 ) * s;
- this._z = ( m21 - m12 ) * s;
- } else if ( m11 > m22 && m11 > m33 ) {
- s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );
- this._w = (m32 - m23 ) / s;
- this._x = 0.25 * s;
- this._y = (m12 + m21 ) / s;
- this._z = (m13 + m31 ) / s;
- } else if ( m22 > m33 ) {
- s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );
- this._w = (m13 - m31 ) / s;
- this._x = (m12 + m21 ) / s;
- this._y = 0.25 * s;
- this._z = (m23 + m32 ) / s;
- } else {
- s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );
- this._w = ( m21 - m12 ) / s;
- this._x = ( m13 + m31 ) / s;
- this._y = ( m23 + m32 ) / s;
- this._z = 0.25 * s;
- }
- this._updateEuler();
- return this;
- },
- inverse: function () {
- this.conjugate().normalize();
- return this;
- },
- conjugate: function () {
- this._x *= -1;
- this._y *= -1;
- this._z *= -1;
- this._updateEuler();
- return this;
- },
- lengthSq: function () {
- return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
- },
- length: function () {
- return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );
- },
- normalize: function () {
- var l = this.length();
- if ( l === 0 ) {
- this._x = 0;
- this._y = 0;
- this._z = 0;
- this._w = 1;
- } else {
- l = 1 / l;
- this._x = this._x * l;
- this._y = this._y * l;
- this._z = this._z * l;
- this._w = this._w * l;
- }
- return this;
- },
- multiply: function ( q, p ) {
- if ( p !== undefined ) {
- console.warn( 'DEPRECATED: Quaternion\'s .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );
- return this.multiplyQuaternions( q, p );
- }
- return this.multiplyQuaternions( this, q );
- },
- multiplyQuaternions: function ( a, b ) {
- // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
- var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;
- var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;
- this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
- this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
- this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
- this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
- this._updateEuler();
- return this;
- },
- multiplyVector3: function ( vector ) {
- console.warn( 'DEPRECATED: Quaternion\'s .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );
- return vector.applyQuaternion( this );
- },
- slerp: function ( qb, t ) {
- var x = this._x, y = this._y, z = this._z, w = this._w;
- // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
- var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;
- if ( cosHalfTheta < 0 ) {
- this._w = -qb._w;
- this._x = -qb._x;
- this._y = -qb._y;
- this._z = -qb._z;
- cosHalfTheta = -cosHalfTheta;
- } else {
- this.copy( qb );
- }
- if ( cosHalfTheta >= 1.0 ) {
- this._w = w;
- this._x = x;
- this._y = y;
- this._z = z;
- return this;
- }
- var halfTheta = Math.acos( cosHalfTheta );
- var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );
- if ( Math.abs( sinHalfTheta ) < 0.001 ) {
- this._w = 0.5 * ( w + this._w );
- this._x = 0.5 * ( x + this._x );
- this._y = 0.5 * ( y + this._y );
- this._z = 0.5 * ( z + this._z );
- return this;
- }
- var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
- ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
- this._w = ( w * ratioA + this._w * ratioB );
- this._x = ( x * ratioA + this._x * ratioB );
- this._y = ( y * ratioA + this._y * ratioB );
- this._z = ( z * ratioA + this._z * ratioB );
- this._updateEuler();
- return this;
- },
- equals: function ( quaternion ) {
- return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );
- },
- fromArray: function ( array ) {
- this._x = array[ 0 ];
- this._y = array[ 1 ];
- this._z = array[ 2 ];
- this._w = array[ 3 ];
- this._updateEuler();
- return this;
- },
- toArray: function () {
- return [ this._x, this._y, this._z, this._w ];
- },
- clone: function () {
- return new THREE.Quaternion( this._x, this._y, this._z, this._w );
- }
- };
- THREE.Quaternion.slerp = function ( qa, qb, qm, t ) {
- return qm.copy( qa ).slerp( qb, t );
- }
- /**
- * @author mrdoob / http://mrdoob.com/
- * @author philogb / http://blog.thejit.org/
- * @author egraether / http://egraether.com/
- * @author zz85 / http://www.lab4games.net/zz85/blog
- */
- THREE.Vector2 = function ( x, y ) {
- this.x = x || 0;
- this.y = y || 0;
- };
- THREE.Vector2.prototype = {
- constructor: THREE.Vector2,
- set: function ( x, y ) {
- this.x = x;
- this.y = y;
- return this;
- },
- setX: function ( x ) {
- this.x = x;
- return this;
- },
- setY: function ( y ) {
- this.y = y;
- return this;
- },
- setComponent: function ( index, value ) {
- switch ( index ) {
- case 0: this.x = value; break;
- case 1: this.y = value; break;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- getComponent: function ( index ) {
- switch ( index ) {
- case 0: return this.x;
- case 1: return this.y;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- copy: function ( v ) {
- this.x = v.x;
- this.y = v.y;
- return this;
- },
- add: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector2\'s .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
- return this.addVectors( v, w );
- }
- this.x += v.x;
- this.y += v.y;
- return this;
- },
- addVectors: function ( a, b ) {
- this.x = a.x + b.x;
- this.y = a.y + b.y;
- return this;
- },
- addScalar: function ( s ) {
- this.x += s;
- this.y += s;
- return this;
- },
- sub: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector2\'s .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
- return this.subVectors( v, w );
- }
- this.x -= v.x;
- this.y -= v.y;
- return this;
- },
- subVectors: function ( a, b ) {
- this.x = a.x - b.x;
- this.y = a.y - b.y;
- return this;
- },
- multiplyScalar: function ( s ) {
- this.x *= s;
- this.y *= s;
- return this;
- },
- divideScalar: function ( scalar ) {
- if ( scalar !== 0 ) {
- var invScalar = 1 / scalar;
- this.x *= invScalar;
- this.y *= invScalar;
- } else {
- this.x = 0;
- this.y = 0;
- }
- return this;
- },
- min: function ( v ) {
- if ( this.x > v.x ) {
- this.x = v.x;
- }
- if ( this.y > v.y ) {
- this.y = v.y;
- }
- return this;
- },
- max: function ( v ) {
- if ( this.x < v.x ) {
- this.x = v.x;
- }
- if ( this.y < v.y ) {
- this.y = v.y;
- }
- return this;
- },
- clamp: function ( min, max ) {
- // This function assumes min < max, if this assumption isn't true it will not operate correctly
- if ( this.x < min.x ) {
- this.x = min.x;
- } else if ( this.x > max.x ) {
- this.x = max.x;
- }
- if ( this.y < min.y ) {
- this.y = min.y;
- } else if ( this.y > max.y ) {
- this.y = max.y;
- }
- return this;
- },
- negate: function() {
- return this.multiplyScalar( - 1 );
- },
- dot: function ( v ) {
- return this.x * v.x + this.y * v.y;
- },
- lengthSq: function () {
- return this.x * this.x + this.y * this.y;
- },
- length: function () {
- return Math.sqrt( this.x * this.x + this.y * this.y );
- },
- normalize: function () {
- return this.divideScalar( this.length() );
- },
- distanceTo: function ( v ) {
- return Math.sqrt( this.distanceToSquared( v ) );
- },
- distanceToSquared: function ( v ) {
- var dx = this.x - v.x, dy = this.y - v.y;
- return dx * dx + dy * dy;
- },
- setLength: function ( l ) {
- var oldLength = this.length();
- if ( oldLength !== 0 && l !== oldLength ) {
- this.multiplyScalar( l / oldLength );
- }
- return this;
- },
- lerp: function ( v, alpha ) {
- this.x += ( v.x - this.x ) * alpha;
- this.y += ( v.y - this.y ) * alpha;
- return this;
- },
- equals: function( v ) {
- return ( ( v.x === this.x ) && ( v.y === this.y ) );
- },
- fromArray: function ( array ) {
- this.x = array[ 0 ];
- this.y = array[ 1 ];
- return this;
- },
- toArray: function () {
- return [ this.x, this.y ];
- },
- clone: function () {
- return new THREE.Vector2( this.x, this.y );
- }
- };
- /**
- * @author mrdoob / http://mrdoob.com/
- * @author *kile / http://kile.stravaganza.org/
- * @author philogb / http://blog.thejit.org/
- * @author mikael emtinger / http://gomo.se/
- * @author egraether / http://egraether.com/
- * @author WestLangley / http://github.com/WestLangley
- */
- THREE.Vector3 = function ( x, y, z ) {
- this.x = x || 0;
- this.y = y || 0;
- this.z = z || 0;
- };
- THREE.Vector3.prototype = {
- constructor: THREE.Vector3,
- set: function ( x, y, z ) {
- this.x = x;
- this.y = y;
- this.z = z;
- return this;
- },
- setX: function ( x ) {
- this.x = x;
- return this;
- },
- setY: function ( y ) {
- this.y = y;
- return this;
- },
- setZ: function ( z ) {
- this.z = z;
- return this;
- },
- setComponent: function ( index, value ) {
- switch ( index ) {
- case 0: this.x = value; break;
- case 1: this.y = value; break;
- case 2: this.z = value; break;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- getComponent: function ( index ) {
- switch ( index ) {
- case 0: return this.x;
- case 1: return this.y;
- case 2: return this.z;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- copy: function ( v ) {
- this.x = v.x;
- this.y = v.y;
- this.z = v.z;
- return this;
- },
- add: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector3\'s .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
- return this.addVectors( v, w );
- }
- this.x += v.x;
- this.y += v.y;
- this.z += v.z;
- return this;
- },
- addScalar: function ( s ) {
- this.x += s;
- this.y += s;
- this.z += s;
- return this;
- },
- addVectors: function ( a, b ) {
- this.x = a.x + b.x;
- this.y = a.y + b.y;
- this.z = a.z + b.z;
- return this;
- },
- sub: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector3\'s .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
- return this.subVectors( v, w );
- }
- this.x -= v.x;
- this.y -= v.y;
- this.z -= v.z;
- return this;
- },
- subVectors: function ( a, b ) {
- this.x = a.x - b.x;
- this.y = a.y - b.y;
- this.z = a.z - b.z;
- return this;
- },
- multiply: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector3\'s .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );
- return this.multiplyVectors( v, w );
- }
- this.x *= v.x;
- this.y *= v.y;
- this.z *= v.z;
- return this;
- },
- multiplyScalar: function ( scalar ) {
- this.x *= scalar;
- this.y *= scalar;
- this.z *= scalar;
- return this;
- },
- multiplyVectors: function ( a, b ) {
- this.x = a.x * b.x;
- this.y = a.y * b.y;
- this.z = a.z * b.z;
- return this;
- },
- applyMatrix3: function ( m ) {
- var x = this.x;
- var y = this.y;
- var z = this.z;
- var e = m.elements;
- this.x = e[0] * x + e[3] * y + e[6] * z;
- this.y = e[1] * x + e[4] * y + e[7] * z;
- this.z = e[2] * x + e[5] * y + e[8] * z;
- return this;
- },
- applyMatrix4: function ( m ) {
- // input: THREE.Matrix4 affine matrix
- var x = this.x, y = this.y, z = this.z;
- var e = m.elements;
- this.x = e[0] * x + e[4] * y + e[8] * z + e[12];
- this.y = e[1] * x + e[5] * y + e[9] * z + e[13];
- this.z = e[2] * x + e[6] * y + e[10] * z + e[14];
- return this;
- },
- applyProjection: function ( m ) {
- // input: THREE.Matrix4 projection matrix
- var x = this.x, y = this.y, z = this.z;
- var e = m.elements;
- var d = 1 / ( e[3] * x + e[7] * y + e[11] * z + e[15] ); // perspective divide
- this.x = ( e[0] * x + e[4] * y + e[8] * z + e[12] ) * d;
- this.y = ( e[1] * x + e[5] * y + e[9] * z + e[13] ) * d;
- this.z = ( e[2] * x + e[6] * y + e[10] * z + e[14] ) * d;
- return this;
- },
- applyQuaternion: function ( q ) {
- var x = this.x;
- var y = this.y;
- var z = this.z;
- var qx = q.x;
- var qy = q.y;
- var qz = q.z;
- var qw = q.w;
- // calculate quat * vector
- var ix = qw * x + qy * z - qz * y;
- var iy = qw * y + qz * x - qx * z;
- var iz = qw * z + qx * y - qy * x;
- var iw = -qx * x - qy * y - qz * z;
- // calculate result * inverse quat
- this.x = ix * qw + iw * -qx + iy * -qz - iz * -qy;
- this.y = iy * qw + iw * -qy + iz * -qx - ix * -qz;
- this.z = iz * qw + iw * -qz + ix * -qy - iy * -qx;
- return this;
- },
- transformDirection: function ( m ) {
- // input: THREE.Matrix4 affine matrix
- // vector interpreted as a direction
- var x = this.x, y = this.y, z = this.z;
- var e = m.elements;
- this.x = e[0] * x + e[4] * y + e[8] * z;
- this.y = e[1] * x + e[5] * y + e[9] * z;
- this.z = e[2] * x + e[6] * y + e[10] * z;
- this.normalize();
- return this;
- },
- divide: function ( v ) {
- this.x /= v.x;
- this.y /= v.y;
- this.z /= v.z;
- return this;
- },
- divideScalar: function ( scalar ) {
- if ( scalar !== 0 ) {
- var invScalar = 1 / scalar;
- this.x *= invScalar;
- this.y *= invScalar;
- this.z *= invScalar;
- } else {
- this.x = 0;
- this.y = 0;
- this.z = 0;
- }
- return this;
- },
- min: function ( v ) {
- if ( this.x > v.x ) {
- this.x = v.x;
- }
- if ( this.y > v.y ) {
- this.y = v.y;
- }
- if ( this.z > v.z ) {
- this.z = v.z;
- }
- return this;
- },
- max: function ( v ) {
- if ( this.x < v.x ) {
- this.x = v.x;
- }
- if ( this.y < v.y ) {
- this.y = v.y;
- }
- if ( this.z < v.z ) {
- this.z = v.z;
- }
- return this;
- },
- clamp: function ( min, max ) {
- // This function assumes min < max, if this assumption isn't true it will not operate correctly
- if ( this.x < min.x ) {
- this.x = min.x;
- } else if ( this.x > max.x ) {
- this.x = max.x;
- }
- if ( this.y < min.y ) {
- this.y = min.y;
- } else if ( this.y > max.y ) {
- this.y = max.y;
- }
- if ( this.z < min.z ) {
- this.z = min.z;
- } else if ( this.z > max.z ) {
- this.z = max.z;
- }
- return this;
- },
- negate: function () {
- return this.multiplyScalar( - 1 );
- },
- dot: function ( v ) {
- return this.x * v.x + this.y * v.y + this.z * v.z;
- },
- lengthSq: function () {
- return this.x * this.x + this.y * this.y + this.z * this.z;
- },
- length: function () {
- return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
- },
- lengthManhattan: function () {
- return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
- },
- normalize: function () {
- return this.divideScalar( this.length() );
- },
- setLength: function ( l ) {
- var oldLength = this.length();
- if ( oldLength !== 0 && l !== oldLength ) {
- this.multiplyScalar( l / oldLength );
- }
- return this;
- },
- lerp: function ( v, alpha ) {
- this.x += ( v.x - this.x ) * alpha;
- this.y += ( v.y - this.y ) * alpha;
- this.z += ( v.z - this.z ) * alpha;
- return this;
- },
- cross: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector3\'s .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );
- return this.crossVectors( v, w );
- }
- var x = this.x, y = this.y, z = this.z;
- this.x = y * v.z - z * v.y;
- this.y = z * v.x - x * v.z;
- this.z = x * v.y - y * v.x;
- return this;
- },
- crossVectors: function ( a, b ) {
- var ax = a.x, ay = a.y, az = a.z;
- var bx = b.x, by = b.y, bz = b.z;
- this.x = ay * bz - az * by;
- this.y = az * bx - ax * bz;
- this.z = ax * by - ay * bx;
- return this;
- },
- angleTo: function ( v ) {
- var theta = this.dot( v ) / ( this.length() * v.length() );
- // clamp, to handle numerical problems
- return Math.acos( THREE.Math.clamp( theta, -1, 1 ) );
- },
- distanceTo: function ( v ) {
- return Math.sqrt( this.distanceToSquared( v ) );
- },
- distanceToSquared: function ( v ) {
- var dx = this.x - v.x;
- var dy = this.y - v.y;
- var dz = this.z - v.z;
- return dx * dx + dy * dy + dz * dz;
- },
- setEulerFromRotationMatrix: function ( m, order ) {
- console.error( "REMOVED: Vector3\'s setEulerFromRotationMatrix has been removed in favor of Euler.setFromRotationMatrix(), please update your code.");
- },
- setEulerFromQuaternion: function ( q, order ) {
- console.error( "REMOVED: Vector3\'s setEulerFromQuaternion: has been removed in favor of Euler.setFromQuaternion(), please update your code.");
- },
- getPositionFromMatrix: function ( m ) {
- this.x = m.elements[12];
- this.y = m.elements[13];
- this.z = m.elements[14];
- return this;
- },
- getScaleFromMatrix: function ( m ) {
- var sx = this.set( m.elements[0], m.elements[1], m.elements[2] ).length();
- var sy = this.set( m.elements[4], m.elements[5], m.elements[6] ).length();
- var sz = this.set( m.elements[8], m.elements[9], m.elements[10] ).length();
- this.x = sx;
- this.y = sy;
- this.z = sz;
- return this;
- },
- getColumnFromMatrix: function ( index, matrix ) {
- var offset = index * 4;
- var me = matrix.elements;
- this.x = me[ offset ];
- this.y = me[ offset + 1 ];
- this.z = me[ offset + 2 ];
- return this;
- },
- equals: function ( v ) {
- return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
- },
- fromArray: function ( array ) {
- this.x = array[ 0 ];
- this.y = array[ 1 ];
- this.z = array[ 2 ];
- return this;
- },
- toArray: function () {
- return [ this.x, this.y, this.z ];
- },
- clone: function () {
- return new THREE.Vector3( this.x, this.y, this.z );
- }
- };
- THREE.extend( THREE.Vector3.prototype, {
- applyEuler: function () {
- var quaternion = new THREE.Quaternion();
- return function ( euler ) {
- if ( euler instanceof THREE.Euler === false ) {
- console.error( 'ERROR: Vector3\'s .applyEuler() now expects a Euler rotation rather than a Vector3 and order. Please update your code.' );
- }
- this.applyQuaternion( quaternion.setFromEuler( euler ) );
- return this;
- };
- }(),
- applyAxisAngle: function () {
- var quaternion = new THREE.Quaternion();
- return function ( axis, angle ) {
- this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );
- return this;
- };
- }(),
- projectOnVector: function () {
- var v1 = new THREE.Vector3();
- return function ( vector ) {
- v1.copy( vector ).normalize();
- var d = this.dot( v1 );
- return this.copy( v1 ).multiplyScalar( d );
- };
- }(),
- projectOnPlane: function () {
- var v1 = new THREE.Vector3();
- return function ( planeNormal ) {
- v1.copy( this ).projectOnVector( planeNormal );
- return this.sub( v1 );
- }
- }(),
- reflect: function () {
- var v1 = new THREE.Vector3();
- return function ( vector ) {
- v1.copy( this ).projectOnVector( vector ).multiplyScalar( 2 );
- return this.subVectors( v1, this );
- }
- }()
- } );
- /**
- * @author supereggbert / http://www.paulbrunt.co.uk/
- * @author philogb / http://blog.thejit.org/
- * @author mikael emtinger / http://gomo.se/
- * @author egraether / http://egraether.com/
- * @author WestLangley / http://github.com/WestLangley
- */
- THREE.Vector4 = function ( x, y, z, w ) {
- this.x = x || 0;
- this.y = y || 0;
- this.z = z || 0;
- this.w = ( w !== undefined ) ? w : 1;
- };
- THREE.Vector4.prototype = {
- constructor: THREE.Vector4,
- set: function ( x, y, z, w ) {
- this.x = x;
- this.y = y;
- this.z = z;
- this.w = w;
- return this;
- },
- setX: function ( x ) {
- this.x = x;
- return this;
- },
- setY: function ( y ) {
- this.y = y;
- return this;
- },
- setZ: function ( z ) {
- this.z = z;
- return this;
- },
- setW: function ( w ) {
- this.w = w;
- return this;
- },
- setComponent: function ( index, value ) {
- switch ( index ) {
- case 0: this.x = value; break;
- case 1: this.y = value; break;
- case 2: this.z = value; break;
- case 3: this.w = value; break;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- getComponent: function ( index ) {
- switch ( index ) {
- case 0: return this.x;
- case 1: return this.y;
- case 2: return this.z;
- case 3: return this.w;
- default: throw new Error( "index is out of range: " + index );
- }
- },
- copy: function ( v ) {
- this.x = v.x;
- this.y = v.y;
- this.z = v.z;
- this.w = ( v.w !== undefined ) ? v.w : 1;
- return this;
- },
- add: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector4\'s .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
- return this.addVectors( v, w );
- }
- this.x += v.x;
- this.y += v.y;
- this.z += v.z;
- this.w += v.w;
- return this;
- },
- addScalar: function ( s ) {
- this.x += s;
- this.y += s;
- this.z += s;
- this.w += s;
- return this;
- },
- addVectors: function ( a, b ) {
- this.x = a.x + b.x;
- this.y = a.y + b.y;
- this.z = a.z + b.z;
- this.w = a.w + b.w;
- return this;
- },
- sub: function ( v, w ) {
- if ( w !== undefined ) {
- console.warn( 'DEPRECATED: Vector4\'s .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
- return this.subVectors( v, w );
- }
- this.x -= v.x;
- this.y -= v.y;
- this.z -= v.z;
- this.w -= v.w;
- return this;
- },
- subVectors: function ( a, b ) {
- this.x = a.x - b.x;
- this.y = a.y - b.y;
- this.z = a.z - b.z;
- this.w = a.w - b.w;
- return this;
- },
- multiplyScalar: function ( scalar ) {
- this.x *= scalar;
- this.y *= scalar;
- this.z *= scalar;
- this.w *= scalar;
- return this;
- },
- applyMatrix4: function ( m ) {
- var x = this.x;
- var y = this.y;
- var z = this.z;
- var w = this.w;
- var e = m.elements;
- this.x = e[0] * x + e[4] * y + e[8] * z + e[12] * w;
- this.y = e[1] * x + e[5] * y + e[9] * z + e[13] * w;
- this.z = e[2] * x + e[6] * y + e[10] * z + e[14] * w;
- this.w = e[3] * x + e[7] * y + e[11] * z + e[15] * w;
- return this;
- },
- divideScalar: function ( scalar ) {
- if ( scalar !== 0 ) {
- var invScalar = 1 / scalar;
- this.x *= invScalar;
- this.y *= invScalar;
- this.z *= invScalar;
- this.w *= invScalar;
- } else {
- this.x = 0;
- this.y = 0;
- this.z = 0;
- this.w = 1;
- }
- return this;
- },
- setAxisAngleFromQuaternion: function ( q ) {
- // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm
- // q is assumed to be normalized
- this.w = 2 * Math.acos( q.w );
- var s = Math.sqrt( 1 - q.w * q.w );
- if ( s < 0.0001 ) {
- this.x = 1;
- this.y = 0;
- this.z = 0;
- } else {
- this.x = q.x / s;
- this.y = q.y / s;
- this.z = q.z / s;
- }
- return this;
- },
- setAxisAngleFromRotationMatrix: function ( m ) {
- // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm
- // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
- var angle, x, y, z, // variables for result
- epsilon = 0.01, // margin to allow for rounding errors
- epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees
- te = m.elements,
- m11 = te[0], m12 = te[4], m13 = te[8],
- m21 = te[1], m22 = te[5], m23 = te[9],
- m31 = te[2], m32 = te[6], m33 = te[10];
- if ( ( Math.abs( m12 - m21 ) < epsilon )
- && ( Math.abs( m13 - m31 ) < epsilon )
- && ( Math.abs( m23 - m32 ) < epsilon ) ) {
- // singularity found
- // first check for identity matrix which must have +1 for all terms
- // in leading diagonal and zero in other terms
- if ( ( Math.abs( m12 + m21 ) < epsilon2 )
- && ( Math.abs( m13 + m31 ) < epsilon2 )
- && ( Math.abs( m23 + m32 ) < epsilon2 )
- && ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {
- // this singularity is identity matrix so angle = 0
- this.set( 1, 0, 0, 0 );
- return this; // zero angle, arbitrary axis
- }
- // otherwise this singularity is angle = 180
- angle = Math.PI;
- var xx = ( m11 + 1 ) / 2;
- var yy = ( m22 + 1 ) / 2;
- var zz = ( m33 + 1 ) / 2;
- var xy = ( m12 + m21 ) / 4;
- var xz = ( m13 + m31 ) / 4;
- var yz = ( m23 + m32 ) / 4;
- if ( ( xx > yy ) && ( xx > zz ) ) { // m11 is the largest diagonal term
- if ( xx < epsilon ) {
- x = 0;
- y = 0.707106781;
- z = 0.707106781;
- } else {
- x = Math.sqrt( xx );
- y = xy / x;
- z = xz / x;
- }
- } else if ( yy > zz ) { // m22 is the largest diagonal term
- if ( yy < epsilon ) {
- x = 0.707106781;
- y = 0;
- z = 0.707106781;
- } else {
- y = Math.sqrt( yy );
- x = xy / y;
- z = yz / y;
- }
- } else { // m33 is the largest diagonal term so base result on this
- if ( zz < epsilon ) {
- x = 0.707106781;
- y = 0.707106781;
- z = 0;
- } else {
- z = Math.sqrt( zz );
- x = xz / z;
- y = yz / z;
- }
- }
- this.set( x, y, z, angle );
- return this; // return 180 deg rotation
- }
- // as we have reached here there are no singularities so we can handle normally
- var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 )
- + ( m13 - m31 ) * ( m13 - m31 )
- + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize
- if ( Math.abs( s ) < 0.001 ) s = 1;
- // prevent divide by zero, should not happen if matrix is orthogonal and should be
- // caught by singularity test above, but I've left it in just in case
- this.x = ( m32 - m23 ) / s;
- this.y = ( m13 - m31 ) / s;
- this.z = ( m21 - m12 ) / s;
- this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );
- return this;
- },
- min: function ( v ) {
- if ( this.x > v.x ) {
- this.x = v.x;
- }
- if ( this.y > v.y ) {
- this.y = v.y;
- }
- if ( this.z > v.z ) {
- this.z = v.z;
- }
- if ( this.w > v.w ) {
- this.w = v.w;
- }
- return this;
- },
- max: function ( v ) {
- if ( this.x < v.x ) {
- this.x = v.x;
- }
- if ( this.y < v.y ) {
- this.y = v.y;
- }
- if ( this.z < v.z ) {
- this.z = v.z;
- }
- if ( this.w < v.w ) {
- this.w = v.w;
- }
- return this;
- },
- clamp: function ( min, max ) {
- // This function assumes min < max, if this assumption isn't true it will not operate correctly
- if ( this.x < min.x ) {
- this.x = min.x;
- } else if ( this.x > max.x ) {
- this.x = max.x;
- }
- if ( this.y < min.y ) {
- this.y = min.y;
- } else if ( this.y > max.y ) {
- this.y = max.y;
- }
- if ( this.z < min.z ) {
- this.z = min.z;
- } else if ( this.z > max.z ) {
- this.z = max.z;
- }
- if ( this.w < min.w ) {
- this.w = min.w;
- } else if ( this.w > max.w ) {
- this.w = max.w;
- }
- return this;
- },
- negate: function() {
- return this.multiplyScalar( -1 );
- },
- dot: function ( v ) {
- return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
- },
- lengthSq: function () {
- return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
- },
- length: function () {
- return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
- },
- lengthManhattan: function () {
- return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );
- },
- normalize: function () {
- return this.divideScalar( this.length() );
- },
- setLength: function ( l ) {
- var oldLength = this.length();
- if ( oldLength !== 0 && l !== oldLength ) {
- this.multiplyScalar( l / oldLength );
- }
- return this;
- },
- lerp: function ( v, alpha ) {
- this.x += ( v.x - this.x ) * alpha;
- this.y += ( v.y - this.y ) * alpha;
- this.z += ( v.z - this.z ) * alpha;
- this.w += ( v.w - this.w ) * alpha;
- return this;
- },
- equals: function ( v ) {
- return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );
- },
- fromArray: function ( array ) {
- this.x = array[ 0 ];
- this.y = array[ 1 ];
- this.z = array[ 2 ];
- this.w = array[ 3 ];
- return this;
- },
- toArray: function () {
- return [ this.x, this.y, this.z, this.w ];
- },
- clone: function () {
- return new THREE.Vector4( this.x, this.y, this.z, this.w );
- }
- };
- /**
- * @author mrdoob / http://mrdoob.com/
- * @author WestLangley / http://github.com/WestLangley
- * @author bhouston / http://exocortex.com
- */
- THREE.Euler = function ( x, y, z, order ) {
- this._x = x || 0;
- this._y = y || 0;
- this._z = z || 0;
- this._order = order || THREE.Euler.DefaultOrder;
- };
- THREE.Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];
- THREE.Euler.DefaultOrder = 'XYZ';
- THREE.Euler.prototype = {
- constructor: THREE.Euler,
- _x: 0, _y: 0, _z: 0, _order: THREE.Euler.DefaultOrder,
- _quaternion: undefined,
- _updateQuaternion: function () {
- if ( this._quaternion !== undefined ) {
- this._quaternion.setFromEuler( this, false );
- }
- },
- get x () {
- return this._x;
- },
- set x ( value ) {
- this._x = value;
- this._updateQuaternion();
- },
- get y () {
- return this._y;
- },
- set y ( value ) {
- this._y = value;
- this._updateQuaternion();
- },
- get z () {
- return this._z;
- },
- set z ( value ) {
- this._z = value;
- this._updateQuaternion();
- },
- get order () {
- return this._order;
- },
- set order ( value ) {
- this._order = value;
- this._updateQuaternion();
- },
- set: function ( x, y, z, order ) {
- this._x = x;
- this._y = y;
- this._z = z;
- this._order = order || this._order;
- this._updateQuaternion();
- return this;
- },
- copy: function ( euler ) {
- this._x = euler._x;
- this._y = euler._y;
- this._z = euler._z;
- this._order = euler._order;
- this._updateQuaternion();
- return this;
- },
- setFromRotationMatrix: function ( m, order ) {
- // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
- // clamp, to handle numerical problems
- function clamp( x ) {
- return Math.min( Math.max( x, -1 ), 1 );
- }
- var te = m.elements;
- var m11 = te[0], m12 = te[4], m13 = te[8];
- var m21 = te[1], m22 = te[5], m23 = te[9];
- var m31 = te[2], m32 = te[6], m33 = te[10];
- order = order || this._order;
- if ( order === 'XYZ' ) {
- this._y = Math.asin( clamp( m13 ) );
- if ( Math.abs( m13 ) < 0.99999 ) {
- this._x = Math.atan2( - m23, m33 );
- this._z = Math.atan2( - m12, m11 );
- } else {
- this._x = Math.atan2( m32, m22 );
- this._z = 0;
- }
- } else if ( order === 'YXZ' ) {
- this._x = Math.asin( - clamp( m23 ) );
- if ( Math.abs( m23 ) < 0.99999 ) {
- this._y = Math.atan2( m13, m33 );
- this._z = Math.atan2( m21, m22 );
- } else {
- this._y = Math.atan2( - m31, m11 );
- this._z = 0;
- }
- } else if ( order === 'ZXY' ) {
- this._x = Math.asin( clamp( m32 ) );
- if ( Math.abs( m32 ) < 0.99999 ) {
- this._y = Math.atan2( - m31, m33 );
- this._z = Math.atan2( - m12, m22 );
- } else {
- this._y = 0;
- this._z = Math.atan2( m21, m11 );
- }
- } else if ( order === 'ZYX' ) {
- this._y = Math.asin( - clamp( m31 ) );
- if ( Math.abs( m31