/**
* @author mrdoob / http://mrdoob.com/
* @author Larry Battle / http://bateru.com/news
*/
var THREE = THREE || { REVISION: '52' };
self.console = self.console || {
info: function () {},
log: function () {},
debug: function () {},
warn: function () {},
error: function () {}
};
self.Int32Array = self.Int32Array || Array;
self.Float32Array = self.Float32Array || Array;
// Shims for "startsWith", "endsWith", and "trim" for browsers where this is not yet implemented
// not sure we should have this, or at least not have it here
// http://stackoverflow.com/questions/646628/javascript-startswith
// http://stackoverflow.com/questions/498970/how-do-i-trim-a-string-in-javascript
// http://wiki.ecmascript.org/doku.php?id=harmony%3astring_extras
String.prototype.startsWith = String.prototype.startsWith || function ( str ) {
return this.slice( 0, str.length ) === str;
};
String.prototype.endsWith = String.prototype.endsWith || function ( str ) {
var t = String( str );
var index = this.lastIndexOf( t );
return ( -1 < index && index ) === (this.length - t.length);
};
String.prototype.trim = String.prototype.trim || function () {
return this.replace( /^\s+|\s+$/g, '' );
};
// 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
( function () {
var lastTime = 0;
var vendors = [ 'ms', 'moz', 'webkit', 'o' ];
for ( var x = 0; x < vendors.length && !window.requestAnimationFrame; ++ x ) {
window.requestAnimationFrame = window[ vendors[ x ] + 'RequestAnimationFrame' ];
window.cancelAnimationFrame = window[ vendors[ x ] + 'CancelAnimationFrame' ] || window[ vendors[ x ] + 'CancelRequestAnimationFrame' ];
}
if ( window.requestAnimationFrame === undefined ) {
window.requestAnimationFrame = function ( callback, element ) {
var currTime = Date.now(), timeToCall = Math.max( 0, 16 - ( currTime - lastTime ) );
var id = window.setTimeout( function() { callback( currTime + timeToCall ); }, timeToCall );
lastTime = currTime + timeToCall;
return id;
};
}
window.cancelAnimationFrame = window.cancelAnimationFrame || function ( id ) { window.clearTimeout( id ) };
}() );
// 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;
// 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 alteredq / http://alteredqualia.com/
*/
THREE.Clock = function ( autoStart ) {
this.autoStart = ( autoStart !== undefined ) ? autoStart : true;
this.startTime = 0;
this.oldTime = 0;
this.elapsedTime = 0;
this.running = false;
};
THREE.Clock.prototype.start = function () {
this.startTime = Date.now();
this.oldTime = this.startTime;
this.running = true;
};
THREE.Clock.prototype.stop = function () {
this.getElapsedTime();
this.running = false;
};
THREE.Clock.prototype.getElapsedTime = function () {
this.elapsedTime += this.getDelta();
return this.elapsedTime;
};
THREE.Clock.prototype.getDelta = function () {
var diff = 0;
if ( this.autoStart && ! this.running ) {
this.start();
}
if ( this.running ) {
var newTime = Date.now();
diff = 0.001 * ( newTime - this.oldTime );
this.oldTime = newTime;
this.elapsedTime += diff;
}
return diff;
};/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.Color = function ( hex ) {
if ( hex !== undefined ) this.setHex( hex );
return this;
};
THREE.Color.prototype = {
constructor: THREE.Color,
r: 1, g: 1, b: 1,
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;
},
setRGB: function ( r, g, b ) {
this.r = r;
this.g = g;
this.b = b;
return this;
},
setHSV: function ( h, s, v ) {
// based on MochiKit implementation by Bob Ippolito
// h,s,v ranges are < 0.0 - 1.0 >
var i, f, p, q, t;
if ( v === 0 ) {
this.r = this.g = this.b = 0;
} else {
i = Math.floor( h * 6 );
f = ( h * 6 ) - i;
p = v * ( 1 - s );
q = v * ( 1 - ( s * f ) );
t = v * ( 1 - ( s * ( 1 - f ) ) );
if ( i === 0 ) {
this.r = v;
this.g = t;
this.b = p;
} else if ( i === 1 ) {
this.r = q;
this.g = v;
this.b = p;
} else if ( i === 2 ) {
this.r = p;
this.g = v;
this.b = t;
} else if ( i === 3 ) {
this.r = p;
this.g = q;
this.b = v;
} else if ( i === 4 ) {
this.r = t;
this.g = p;
this.b = v;
} else if ( i === 5 ) {
this.r = v;
this.g = p;
this.b = q;
}
}
return th
WEBGL、Three.js用到的函数库
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2018-06-01
09:27:36
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