wordpress-plugin
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Boilerplate WordPress Plugin structure to support development of JavaScript frameworks: React, Vue, Vanilla, TypeScript, supporting Vite, NextJS, Nuxt, Gatsby, and JSX/TSX Components (like MUI), CSS (like Tailwind + Unity), data APIs (like REST and GraphQ
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JavaScript
// threejs.org/license
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.THREE = {}));
}(this, (function (exports) { 'use strict';
// Polyfills
if (Number.EPSILON === undefined) {
Number.EPSILON = Math.pow(2, -52);
}
if (Number.isInteger === undefined) {
// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger
Number.isInteger = function (value) {
return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
};
} //
if (Math.sign === undefined) {
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign
Math.sign = function (x) {
return x < 0 ? -1 : x > 0 ? 1 : +x;
};
}
if ('name' in Function.prototype === false) {
// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
Object.defineProperty(Function.prototype, 'name', {
get: function get() {
return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1];
}
});
}
if (Object.assign === undefined) {
// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
Object.assign = function (target) {
if (target === undefined || target === null) {
throw new TypeError('Cannot convert undefined or null to object');
}
var output = Object(target);
for (var index = 1; index < arguments.length; index++) {
var source = arguments[index];
if (source !== undefined && source !== null) {
for (var nextKey in source) {
if (Object.prototype.hasOwnProperty.call(source, nextKey)) {
output[nextKey] = source[nextKey];
}
}
}
}
return output;
};
}
var REVISION = '122';
var MOUSE = {
LEFT: 0,
MIDDLE: 1,
RIGHT: 2,
ROTATE: 0,
DOLLY: 1,
PAN: 2
};
var TOUCH = {
ROTATE: 0,
PAN: 1,
DOLLY_PAN: 2,
DOLLY_ROTATE: 3
};
var CullFaceNone = 0;
var CullFaceBack = 1;
var CullFaceFront = 2;
var CullFaceFrontBack = 3;
var BasicShadowMap = 0;
var PCFShadowMap = 1;
var PCFSoftShadowMap = 2;
var VSMShadowMap = 3;
var FrontSide = 0;
var BackSide = 1;
var DoubleSide = 2;
var FlatShading = 1;
var SmoothShading = 2;
var NoBlending = 0;
var NormalBlending = 1;
var AdditiveBlending = 2;
var SubtractiveBlending = 3;
var MultiplyBlending = 4;
var CustomBlending = 5;
var AddEquation = 100;
var SubtractEquation = 101;
var ReverseSubtractEquation = 102;
var MinEquation = 103;
var MaxEquation = 104;
var ZeroFactor = 200;
var OneFactor = 201;
var SrcColorFactor = 202;
var OneMinusSrcColorFactor = 203;
var SrcAlphaFactor = 204;
var OneMinusSrcAlphaFactor = 205;
var DstAlphaFactor = 206;
var OneMinusDstAlphaFactor = 207;
var DstColorFactor = 208;
var OneMinusDstColorFactor = 209;
var SrcAlphaSaturateFactor = 210;
var NeverDepth = 0;
var AlwaysDepth = 1;
var LessDepth = 2;
var LessEqualDepth = 3;
var EqualDepth = 4;
var GreaterEqualDepth = 5;
var GreaterDepth = 6;
var NotEqualDepth = 7;
var MultiplyOperation = 0;
var MixOperation = 1;
var AddOperation = 2;
var NoToneMapping = 0;
var LinearToneMapping = 1;
var ReinhardToneMapping = 2;
var CineonToneMapping = 3;
var ACESFilmicToneMapping = 4;
var CustomToneMapping = 5;
var UVMapping = 300;
var CubeReflectionMapping = 301;
var CubeRefractionMapping = 302;
var EquirectangularReflectionMapping = 303;
var EquirectangularRefractionMapping = 304;
var CubeUVReflectionMapping = 306;
var CubeUVRefractionMapping = 307;
var RepeatWrapping = 1000;
var ClampToEdgeWrapping = 1001;
var MirroredRepeatWrapping = 1002;
var NearestFilter = 1003;
var NearestMipmapNearestFilter = 1004;
var NearestMipMapNearestFilter = 1004;
var NearestMipmapLinearFilter = 1005;
var NearestMipMapLinearFilter = 1005;
var LinearFilter = 1006;
var LinearMipmapNearestFilter = 1007;
var LinearMipMapNearestFilter = 1007;
var LinearMipmapLinearFilter = 1008;
var LinearMipMapLinearFilter = 1008;
var UnsignedByteType = 1009;
var ByteType = 1010;
var ShortType = 1011;
var UnsignedShortType = 1012;
var IntType = 1013;
var UnsignedIntType = 1014;
var FloatType = 1015;
var HalfFloatType = 1016;
var UnsignedShort4444Type = 1017;
var UnsignedShort5551Type = 1018;
var UnsignedShort565Type = 1019;
var UnsignedInt248Type = 1020;
var AlphaFormat = 1021;
var RGBFormat = 1022;
var RGBAFormat = 1023;
var LuminanceFormat = 1024;
var LuminanceAlphaFormat = 1025;
var RGBEFormat = RGBAFormat;
var DepthFormat = 1026;
var DepthStencilFormat = 1027;
var RedFormat = 1028;
var RedIntegerFormat = 1029;
var RGFormat = 1030;
var RGIntegerFormat = 1031;
var RGBIntegerFormat = 1032;
var RGBAIntegerFormat = 1033;
var RGB_S3TC_DXT1_Format = 33776;
var RGBA_S3TC_DXT1_Format = 33777;
var RGBA_S3TC_DXT3_Format = 33778;
var RGBA_S3TC_DXT5_Format = 33779;
var RGB_PVRTC_4BPPV1_Format = 35840;
var RGB_PVRTC_2BPPV1_Format = 35841;
var RGBA_PVRTC_4BPPV1_Format = 35842;
var RGBA_PVRTC_2BPPV1_Format = 35843;
var RGB_ETC1_Format = 36196;
var RGB_ETC2_Format = 37492;
var RGBA_ETC2_EAC_Format = 37496;
var RGBA_ASTC_4x4_Format = 37808;
var RGBA_ASTC_5x4_Format = 37809;
var RGBA_ASTC_5x5_Format = 37810;
var RGBA_ASTC_6x5_Format = 37811;
var RGBA_ASTC_6x6_Format = 37812;
var RGBA_ASTC_8x5_Format = 37813;
var RGBA_ASTC_8x6_Format = 37814;
var RGBA_ASTC_8x8_Format = 37815;
var RGBA_ASTC_10x5_Format = 37816;
var RGBA_ASTC_10x6_Format = 37817;
var RGBA_ASTC_10x8_Format = 37818;
var RGBA_ASTC_10x10_Format = 37819;
var RGBA_ASTC_12x10_Format = 37820;
var RGBA_ASTC_12x12_Format = 37821;
var RGBA_BPTC_Format = 36492;
var SRGB8_ALPHA8_ASTC_4x4_Format = 37840;
var SRGB8_ALPHA8_ASTC_5x4_Format = 37841;
var SRGB8_ALPHA8_ASTC_5x5_Format = 37842;
var SRGB8_ALPHA8_ASTC_6x5_Format = 37843;
var SRGB8_ALPHA8_ASTC_6x6_Format = 37844;
var SRGB8_ALPHA8_ASTC_8x5_Format = 37845;
var SRGB8_ALPHA8_ASTC_8x6_Format = 37846;
var SRGB8_ALPHA8_ASTC_8x8_Format = 37847;
var SRGB8_ALPHA8_ASTC_10x5_Format = 37848;
var SRGB8_ALPHA8_ASTC_10x6_Format = 37849;
var SRGB8_ALPHA8_ASTC_10x8_Format = 37850;
var SRGB8_ALPHA8_ASTC_10x10_Format = 37851;
var SRGB8_ALPHA8_ASTC_12x10_Format = 37852;
var SRGB8_ALPHA8_ASTC_12x12_Format = 37853;
var LoopOnce = 2200;
var LoopRepeat = 2201;
var LoopPingPong = 2202;
var InterpolateDiscrete = 2300;
var InterpolateLinear = 2301;
var InterpolateSmooth = 2302;
var ZeroCurvatureEnding = 2400;
var ZeroSlopeEnding = 2401;
var WrapAroundEnding = 2402;
var NormalAnimationBlendMode = 2500;
var AdditiveAnimationBlendMode = 2501;
var TrianglesDrawMode = 0;
var TriangleStripDrawMode = 1;
var TriangleFanDrawMode = 2;
var LinearEncoding = 3000;
var sRGBEncoding = 3001;
var GammaEncoding = 3007;
var RGBEEncoding = 3002;
var LogLuvEncoding = 3003;
var RGBM7Encoding = 3004;
var RGBM16Encoding = 3005;
var RGBDEncoding = 3006;
var BasicDepthPacking = 3200;
var RGBADepthPacking = 3201;
var TangentSpaceNormalMap = 0;
var ObjectSpaceNormalMap = 1;
var ZeroStencilOp = 0;
var KeepStencilOp = 7680;
var ReplaceStencilOp = 7681;
var IncrementStencilOp = 7682;
var DecrementStencilOp = 7683;
var IncrementWrapStencilOp = 34055;
var DecrementWrapStencilOp = 34056;
var InvertStencilOp = 5386;
var NeverStencilFunc = 512;
var LessStencilFunc = 513;
var EqualStencilFunc = 514;
var LessEqualStencilFunc = 515;
var GreaterStencilFunc = 516;
var NotEqualStencilFunc = 517;
var GreaterEqualStencilFunc = 518;
var AlwaysStencilFunc = 519;
var StaticDrawUsage = 35044;
var DynamicDrawUsage = 35048;
var StreamDrawUsage = 35040;
var StaticReadUsage = 35045;
var DynamicReadUsage = 35049;
var StreamReadUsage = 35041;
var StaticCopyUsage = 35046;
var DynamicCopyUsage = 35050;
var StreamCopyUsage = 35042;
var GLSL1 = "100";
var GLSL3 = "300 es";
/**
* https://github.com/mrdoob/eventdispatcher.js/
*/
function EventDispatcher() {}
Object.assign(EventDispatcher.prototype, {
addEventListener: function addEventListener(type, listener) {
if (this._listeners === undefined) this._listeners = {};
var listeners = this._listeners;
if (listeners[type] === undefined) {
listeners[type] = [];
}
if (listeners[type].indexOf(listener) === -1) {
listeners[type].push(listener);
}
},
hasEventListener: function hasEventListener(type, listener) {
if (this._listeners === undefined) return false;
var listeners = this._listeners;
return listeners[type] !== undefined && listeners[type].indexOf(listener) !== -1;
},
removeEventListener: function removeEventListener(type, listener) {
if (this._listeners === undefined) return;
var listeners = this._listeners;
var listenerArray = listeners[type];
if (listenerArray !== undefined) {
var index = listenerArray.indexOf(listener);
if (index !== -1) {
listenerArray.splice(index, 1);
}
}
},
dispatchEvent: function dispatchEvent(event) {
if (this._listeners === undefined) return;
var listeners = this._listeners;
var listenerArray = listeners[event.type];
if (listenerArray !== undefined) {
event.target = this; // Make a copy, in case listeners are removed while iterating.
var array = listenerArray.slice(0);
for (var i = 0, l = array.length; i < l; i++) {
array[i].call(this, event);
}
}
}
});
var _lut = [];
for (var i = 0; i < 256; i++) {
_lut[i] = (i < 16 ? '0' : '') + i.toString(16);
}
var _seed = 1234567;
var MathUtils = {
DEG2RAD: Math.PI / 180,
RAD2DEG: 180 / Math.PI,
generateUUID: function generateUUID() {
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136
var d0 = Math.random() * 0xffffffff | 0;
var d1 = Math.random() * 0xffffffff | 0;
var d2 = Math.random() * 0xffffffff | 0;
var d3 = Math.random() * 0xffffffff | 0;
var uuid = _lut[d0 & 0xff] + _lut[d0 >> 8 & 0xff] + _lut[d0 >> 16 & 0xff] + _lut[d0 >> 24 & 0xff] + '-' + _lut[d1 & 0xff] + _lut[d1 >> 8 & 0xff] + '-' + _lut[d1 >> 16 & 0x0f | 0x40] + _lut[d1 >> 24 & 0xff] + '-' + _lut[d2 & 0x3f | 0x80] + _lut[d2 >> 8 & 0xff] + '-' + _lut[d2 >> 16 & 0xff] + _lut[d2 >> 24 & 0xff] + _lut[d3 & 0xff] + _lut[d3 >> 8 & 0xff] + _lut[d3 >> 16 & 0xff] + _lut[d3 >> 24 & 0xff]; // .toUpperCase() here flattens concatenated strings to save heap memory space.
return uuid.toUpperCase();
},
clamp: function clamp(value, min, max) {
return Math.max(min, Math.min(max, value));
},
// compute euclidian modulo of m % n
// https://en.wikipedia.org/wiki/Modulo_operation
euclideanModulo: function euclideanModulo(n, m) {
return (n % m + m) % m;
},
// Linear mapping from range <a1, a2> to range <b1, b2>
mapLinear: function mapLinear(x, a1, a2, b1, b2) {
return b1 + (x - a1) * (b2 - b1) / (a2 - a1);
},
// https://en.wikipedia.org/wiki/Linear_interpolation
lerp: function lerp(x, y, t) {
return (1 - t) * x + t * y;
},
// http://en.wikipedia.org/wiki/Smoothstep
smoothstep: function smoothstep(x, min, max) {
if (x <= min) return 0;
if (x >= max) return 1;
x = (x - min) / (max - min);
return x * x * (3 - 2 * x);
},
smootherstep: function smootherstep(x, min, max) {
if (x <= min) return 0;
if (x >= max) return 1;
x = (x - min) / (max - min);
return x * x * x * (x * (x * 6 - 15) + 10);
},
// Random integer from <low, high> interval
randInt: function randInt(low, high) {
return low + Math.floor(Math.random() * (high - low + 1));
},
// Random float from <low, high> interval
randFloat: function randFloat(low, high) {
return low + Math.random() * (high - low);
},
// Random float from <-range/2, range/2> interval
randFloatSpread: function randFloatSpread(range) {
return range * (0.5 - Math.random());
},
// Deterministic pseudo-random float in the interval [ 0, 1 ]
seededRandom: function seededRandom(s) {
if (s !== undefined) _seed = s % 2147483647; // Park-Miller algorithm
_seed = _seed * 16807 % 2147483647;
return (_seed - 1) / 2147483646;
},
degToRad: function degToRad(degrees) {
return degrees * MathUtils.DEG2RAD;
},
radToDeg: function radToDeg(radians) {
return radians * MathUtils.RAD2DEG;
},
isPowerOfTwo: function isPowerOfTwo(value) {
return (value & value - 1) === 0 && value !== 0;
},
ceilPowerOfTwo: function ceilPowerOfTwo(value) {
return Math.pow(2, Math.ceil(Math.log(value) / Math.LN2));
},
floorPowerOfTwo: function floorPowerOfTwo(value) {
return Math.pow(2, Math.floor(Math.log(value) / Math.LN2));
},
setQuaternionFromProperEuler: function setQuaternionFromProperEuler(q, a, b, c, order) {
// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles
// rotations are applied to the axes in the order specified by 'order'
// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'
// angles are in radians
var cos = Math.cos;
var sin = Math.sin;
var c2 = cos(b / 2);
var s2 = sin(b / 2);
var c13 = cos((a + c) / 2);
var s13 = sin((a + c) / 2);
var c1_3 = cos((a - c) / 2);
var s1_3 = sin((a - c) / 2);
var c3_1 = cos((c - a) / 2);
var s3_1 = sin((c - a) / 2);
switch (order) {
case 'XYX':
q.set(c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13);
break;
case 'YZY':
q.set(s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13);
break;
case 'ZXZ':
q.set(s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13);
break;
case 'XZX':
q.set(c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13);
break;
case 'YXY':
q.set(s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13);
break;
case 'ZYZ':
q.set(s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13);
break;
default:
console.warn('THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order);
}
}
};
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _inheritsLoose(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
subClass.__proto__ = superClass;
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
var Vector2 = /*#__PURE__*/function () {
function Vector2(x, y) {
if (x === void 0) {
x = 0;
}
if (y === void 0) {
y = 0;
}
Object.defineProperty(this, 'isVector2', {
value: true
});
this.x = x;
this.y = y;
}
var _proto = Vector2.prototype;
_proto.set = function set(x, y) {
this.x = x;
this.y = y;
return this;
};
_proto.setScalar = function setScalar(scalar) {
this.x = scalar;
this.y = scalar;
return this;
};
_proto.setX = function setX(x) {
this.x = x;
return this;
};
_proto.setY = function setY(y) {
this.y = y;
return this;
};
_proto.setComponent = function setComponent(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);
}
return this;
};
_proto.getComponent = function getComponent(index) {
switch (index) {
case 0:
return this.x;
case 1:
return this.y;
default:
throw new Error('index is out of range: ' + index);
}
};
_proto.clone = function clone() {
return new this.constructor(this.x, this.y);
};
_proto.copy = function copy(v) {
this.x = v.x;
this.y = v.y;
return this;
};
_proto.add = function add(v, w) {
if (w !== undefined) {
console.warn('THREE.Vector2: .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;
};
_proto.addScalar = function addScalar(s) {
this.x += s;
this.y += s;
return this;
};
_proto.addVectors = function addVectors(a, b) {
this.x = a.x + b.x;
this.y = a.y + b.y;
return this;
};
_proto.addScaledVector = function addScaledVector(v, s) {
this.x += v.x * s;
this.y += v.y * s;
return this;
};
_proto.sub = function sub(v, w) {
if (w !== undefined) {
console.warn('THREE.Vector2: .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;
};
_proto.subScalar = function subScalar(s) {
this.x -= s;
this.y -= s;
return this;
};
_proto.subVectors = function subVectors(a, b) {
this.x = a.x - b.x;
this.y = a.y - b.y;
return this;
};
_proto.multiply = function multiply(v) {
this.x *= v.x;
this.y *= v.y;
return this;
};
_proto.multiplyScalar = function multiplyScalar(scalar) {
this.x *= scalar;
this.y *= scalar;
return this;
};
_proto.divide = function divide(v) {
this.x /= v.x;
this.y /= v.y;
return this;
};
_proto.divideScalar = function divideScalar(scalar) {
return this.multiplyScalar(1 / scalar);
};
_proto.applyMatrix3 = function applyMatrix3(m) {
var x = this.x,
y = this.y;
var e = m.elements;
this.x = e[0] * x + e[3] * y + e[6];
this.y = e[1] * x + e[4] * y + e[7];
return this;
};
_proto.min = function min(v) {
this.x = Math.min(this.x, v.x);
this.y = Math.min(this.y, v.y);
return this;
};
_proto.max = function max(v) {
this.x = Math.max(this.x, v.x);
this.y = Math.max(this.y, v.y);
return this;
};
_proto.clamp = function clamp(min, max) {
// assumes min < max, componentwise
this.x = Math.max(min.x, Math.min(max.x, this.x));
this.y = Math.max(min.y, Math.min(max.y, this.y));
return this;
};
_proto.clampScalar = function clampScalar(minVal, maxVal) {
this.x = Math.max(minVal, Math.min(maxVal, this.x));
this.y = Math.max(minVal, Math.min(maxVal, this.y));
return this;
};
_proto.clampLength = function clampLength(min, max) {
var length = this.length();
return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length)));
};
_proto.floor = function floor() {
this.x = Math.floor(this.x);
this.y = Math.floor(this.y);
return this;
};
_proto.ceil = function ceil() {
this.x = Math.ceil(this.x);
this.y = Math.ceil(this.y);
return this;
};
_proto.round = function round() {
this.x = Math.round(this.x);
this.y = Math.round(this.y);
return this;
};
_proto.roundToZero = function roundToZero() {
this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x);
this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y);
return this;
};
_proto.negate = function negate() {
this.x = -this.x;
this.y = -this.y;
return this;
};
_proto.dot = function dot(v) {
return this.x * v.x + this.y * v.y;
};
_proto.cross = function cross(v) {
return this.x * v.y - this.y * v.x;
};
_proto.lengthSq = function lengthSq() {
return this.x * this.x + this.y * this.y;
};
_proto.length = function length() {
return Math.sqrt(this.x * this.x + this.y * this.y);
};
_proto.manhattanLength = function manhattanLength() {
return Math.abs(this.x) + Math.abs(this.y);
};
_proto.normalize = function normalize() {
return this.divideScalar(this.length() || 1);
};
_proto.angle = function angle() {
// computes the angle in radians with respect to the positive x-axis
var angle = Math.atan2(-this.y, -this.x) + Math.PI;
return angle;
};
_proto.distanceTo = function distanceTo(v) {
return Math.sqrt(this.distanceToSquared(v));
};
_proto.distanceToSquared = function distanceToSquared(v) {
var dx = this.x - v.x,
dy = this.y - v.y;
return dx * dx + dy * dy;
};
_proto.manhattanDistanceTo = function manhattanDistanceTo(v) {
return Math.abs(this.x - v.x) + Math.abs(this.y - v.y);
};
_proto.setLength = function setLength(length) {
return this.normalize().multiplyScalar(length);
};
_proto.lerp = function lerp(v, alpha) {
this.x += (v.x - this.x) * alpha;
this.y += (v.y - this.y) * alpha;
return this;
};
_proto.lerpVectors = function lerpVectors(v1, v2, alpha) {
this.x = v1.x + (v2.x - v1.x) * alpha;
this.y = v1.y + (v2.y - v1.y) * alpha;
return this;
};
_proto.equals = function equals(v) {
return v.x === this.x && v.y === this.y;
};
_proto.fromArray = function fromArray(array, offset) {
if (offset === void 0) {
offset = 0;
}
this.x = array[offset];
this.y = array[offset + 1];
return this;
};
_proto.toArray = function toArray(array, offset) {
if (array === void 0) {
array = [];
}
if (offset === void 0) {
offset = 0;
}
array[offset] = this.x;
array[offset + 1] = this.y;
return array;
};
_proto.fromBufferAttribute = function fromBufferAttribute(attribute, index, offset) {
if (offset !== undefined) {
console.warn('THREE.Vector2: offset has been removed from .fromBufferAttribute().');
}
this.x = attribute.getX(index);
this.y = attribute.getY(index);
return this;
};
_proto.rotateAround = function rotateAround(center, angle) {
var c = Math.cos(angle),
s = Math.sin(angle);
var x = this.x - center.x;
var y = this.y - center.y;
this.x = x * c - y * s + center.x;
this.y = x * s + y * c + center.y;
return this;
};
_proto.random = function random() {
this.x = Math.random();
this.y = Math.random();
return this;
};
_createClass(Vector2, [{
key: "width",
get: function get() {
return this.x;
},
set: function set(value) {
this.x = value;
}
}, {
key: "height",
get: function get() {
return this.y;
},
set: function set(value) {
this.y = value;
}
}]);
return Vector2;
}();
var Matrix3 = /*#__PURE__*/function () {
function Matrix3() {
Object.defineProperty(this, 'isMatrix3', {
value: true
});
this.elements = [1, 0, 0, 0, 1, 0, 0, 0, 1];
if (arguments.length > 0) {
console.error('THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.');
}
}
var _proto = Matrix3.prototype;
_proto.set = function set(n11, n12, n13, n21, n22, n23, n31, n32, n33) {
var te = this.elements;
te[0] = n11;
te[1] = n21;
te[2] = n31;
te[3] = n12;
te[4] = n22;
te[5] = n32;
te[6] = n13;
te[7] = n23;
te[8] = n33;
return this;
};
_proto.identity = function identity() {
this.set(1, 0, 0, 0, 1, 0, 0, 0, 1);
return this;
};
_proto.clone = function clone() {
return new this.constructor().fromArray(this.elements);
};
_proto.copy = function copy(m) {
var te = this.elements;
var me = m.elements;
te[0] = me[0];
te[1] = me[1];
te[2] = me[2];
te[3] = me[3];
te[4] = me[4];
te[5] = me[5];
te[6] = me[6];
te[7] = me[7];
te[8] = me[8];
return this;
};
_proto.extractBasis = function extractBasis(xAxis, yAxis, zAxis) {
xAxis.setFromMatrix3Column(this, 0);
yAxis.setFromMatrix3Column(this, 1);
zAxis.setFromMatrix3Column(this, 2);
return this;
};
_proto.setFromMatrix4 = function setFromMatrix4(m) {
var me = m.elements;
this.set(me[0], me[4], me[8], me[1], me[5], me[9], me[2], me[6], me[10]);
return this;
};
_proto.multiply = function multiply(m) {
return this.multiplyMatrices(this, m);
};
_proto.premultiply = function premultiply(m) {
return this.multiplyMatrices(m, this);
};
_proto.multiplyMatrices = function multiplyMatrices(a, b) {
var ae = a.elements;
var be = b.elements;
var te = this.elements;
var a11 = ae[0],
a12 = ae[3],
a13 = ae[6];
var a21 = ae[1],
a22 = ae[4],
a23 = ae[7];
var a31 = ae[2],
a32 = ae[5],
a33 = ae[8];
var b11 = be[0],
b12 = be[3],
b13 = be[6];
var b21 = be[1],
b22 = be[4],
b23 = be[7];
var b31 = be[2],
b32 = be[5],
b33 = be[8];
te[0] = a11 * b11 + a12 * b21 + a13 * b31;
te[3] = a11 * b12 + a12 * b22 + a13 * b32;
te[6] = a11 * b13 + a12 * b23 + a13 * b33;
te[1] = a21 * b11 + a22 * b21 + a23 * b31;
te[4] = a21 * b12 + a22 * b22 + a23 * b32;
te[7] = a21 * b13 + a22 * b23 + a23 * b33;
te[2] = a31 * b11 + a32 * b21 + a33 * b31;
te[5] = a31 * b12 + a32 * b22 + a33 * b32;
te[8] = a31 * b13 + a32 * b23 + a33 * b33;
return this;
};
_proto.multiplyScalar = function multiplyScalar(s) {
var te = this.elements;
te[0] *= s;
te[3] *= s;
te[6] *= s;
te[1] *= s;
te[4] *= s;
te[7] *= s;
te[2] *= s;
te[5] *= s;
te[8] *= s;
return this;
};
_proto.determinant = function determinant() {
var te = this.elements;
var a = te[0],
b = te[1],
c = te[2],
d = te[3],
e = te[4],
f = te[5],
g = te[6],
h = te[7],
i = te[8];
return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;
};
_proto.getInverse = function getInverse(matrix, throwOnDegenerate) {
if (throwOnDegenerate !== undefined) {
console.warn("THREE.Matrix3: .getInverse() can no longer be configured to throw on degenerate.");
}
var me = matrix.elements,
te = this.elements,
n11 = me[0],
n21 = me[1],
n31 = me[2],
n12 = me[3],
n22 = me[4],
n32 = me[5],
n13 = me[6],
n23 = me[7],
n33 = me[8],
t11 = n33 * n22 - n32 * n23,
t12 = n32 * n13 - n33 * n12,
t13 = n23 * n12 - n22 * n13,
det = n11 * t11 + n21 * t12 + n31 * t13;
if (det === 0) return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0);
var detInv = 1 / det;
te[0] = t11 * detInv;
te[1] = (n31 * n23 - n33 * n21) * detInv;
te[2] = (n32 * n21 - n31 * n22) * detInv;
te[3] = t12 * detInv;
te[4] = (n33 * n11 - n31 * n13) * detInv;
te[5] = (n31 * n12 - n32 * n11) * detInv;
te[6] = t13 * detInv;
te[7] = (n21 * n13 - n23 * n11) * detInv;
te[8] = (n22 * n11 - n21 * n12) * detInv;
return this;
};
_proto.transpose = function transpose() {
var tmp;
var m = this.elements;
tmp = m[1];
m[1] = m[3];
m[3] = tmp;
tmp = m[2];
m[2] = m[6];
m[6] = tmp;
tmp = m[5];
m[5] = m[7];
m[7] = tmp;
return this;
};
_proto.getNormalMatrix = function getNormalMatrix(matrix4) {
return this.setFromMatrix4(matrix4).getInverse(this).transpose();
};
_proto.transposeIntoArray = function transposeIntoArray(r) {
var m = this.elements;
r[0] = m[0];
r[1] = m[3];
r[2] = m[6];
r[3] = m[1];
r[4] = m[4];
r[5] = m[7];
r[6] = m[2];
r[7] = m[5];
r[8] = m[8];
return this;
};
_proto.setUvTransform = function setUvTransform(tx, ty, sx, sy, rotation, cx, cy) {
var c = Math.cos(rotation);
var s = Math.sin(rotation);
this.set(sx * c, sx * s, -sx * (c * cx + s * cy) + cx + tx, -sy * s, sy * c, -sy * (-s * cx + c * cy) + cy + ty, 0, 0, 1);
};
_proto.scale = function scale(sx, sy) {
var te = this.elements;
te[0] *= sx;
te[3] *= sx;
te[6] *= sx;
te[1] *= sy;
te[4] *= sy;
te[7] *= sy;
return this;
};
_proto.rotate = function rotate(theta) {
var c = Math.cos(theta);
var s = Math.sin(theta);
var te = this.elements;
var a11 = te[0],
a12 = te[3],
a13 = te[6];
var a21 = te[1],
a22 = te[4],
a23 = te[7];
te[0] = c * a11 + s * a21;
te[3] = c * a12 + s * a22;
te[6] = c * a13 + s * a23;
te[1] = -s * a11 + c * a21;
te[4] = -s * a12 + c * a22;
te[7] = -s * a13 + c * a23;
return this;
};
_proto.translate = function translate(tx, ty) {
var te = this.elements;
te[0] += tx * te[2];
te[3] += tx * te[5];
te[6] += tx * te[8];
te[1] += ty * te[2];
te[4] += ty * te[5];
te[7] += ty * te[8];
return this;
};
_proto.equals = function equals(matrix) {
var te = this.elements;
var me = matrix.elements;
for (var i = 0; i < 9; i++) {
if (te[i] !== me[i]) return false;
}
return true;
};
_proto.fromArray = function fromArray(array, offset) {
if (offset === void 0) {
offset = 0;
}
for (var i = 0; i < 9; i++) {
this.elements[i] = array[i + offset];
}
return this;
};
_proto.toArray = function toArray(array, offset) {
if (array === void 0) {
array = [];
}
if (offset === void 0) {
offset = 0;
}
var te = this.elements;
array[offset] = te[0];
array[offset + 1] = te[1];
array[offset + 2] = te[2];
array[offset + 3] = te[3];
array[offset + 4] = te[4];
array[offset + 5] = te[5];
array[offset + 6] = te[6];
array[offset + 7] = te[7];
array[offset + 8] = te[8];
return array;
};
return Matrix3;
}();
var _canvas;
var ImageUtils = {
getDataURL: function getDataURL(image) {
if (/^data:/i.test(image.src)) {
return image.src;
}
if (typeof HTMLCanvasElement == 'undefined') {
return image.src;
}
var canvas;
if (image instanceof HTMLCanvasElement) {
canvas = image;
} else {
if (_canvas === undefined) _canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
_canvas.width = image.width;
_canvas.height = image.height;
var context = _canvas.getContext('2d');
if (image instanceof ImageData) {
context.putImageData(image, 0, 0);
} else {
context.drawImage(image, 0, 0, image.width, image.height);
}
canvas = _canvas;
}
if (canvas.width > 2048 || canvas.height > 2048) {
return canvas.toDataURL('image/jpeg', 0.6);
} else {
return canvas.toDataURL('image/png');
}
}
};
var textureId = 0;
function Texture(image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding) {
Object.defineProperty(this, 'id', {
value: textureId++
});
this.uuid = MathUtils.generateUUID();
this.name = '';
this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;
this.mipmaps = [];
this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;
this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;
this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;
this.magFilter = magFilter !== undefined ? magFilter : LinearFilter;
this.minFilter = minFilter !== undefined ? minFilter : LinearMipmapLinearFilter;
this.anisotropy = anisotropy !== undefined ? anisotropy : 1;
this.format = format !== undefined ? format : RGBAFormat;
this.internalFormat = null;
this.type = type !== undefined ? type : UnsignedByteType;
this.offset = new Vector2(0, 0);
this.repeat = new Vector2(1, 1);
this.center = new Vector2(0, 0);
this.rotation = 0;
this.matrixAutoUpdate = true;
this.matrix = new Matrix3();
this.generateMipmaps = true;
this.premultiplyAlpha = false;
this.flipY = true;
this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)
// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.
//
// Also changing the encoding after already used by a Material will not automatically make the Material
// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.
this.encoding = encoding !== undefined ? encoding : LinearEncoding;
this.version = 0;
this.onUpdate = null;
}
Texture.DEFAULT_IMAGE = undefined;
Texture.DEFAULT_MAPPING = UVMapping;
Texture.prototype = Object.assign(Object.create(EventDispatcher.prototype), {
constructor: Texture,
isTexture: true,
updateMatrix: function updateMatrix() {
this.matrix.setUvTransform(this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y);
},
clone: function clone() {
return new this.constructor().copy(this);
},
copy: function copy(source) {
this.name = source.name;
this.image = source.image;
this.mipmaps = source.mipmaps.slice(0);
this.mapping = source.mapping;
this.wrapS = source.wrapS;
this.wrapT = source.wrapT;
this.magFilter = source.magFilter;
this.minFilter = source.minFilter;
this.anisotropy = source.anisotropy;
this.format = source.format;
this.internalFormat = source.internalFormat;
this.type = source.type;
this.offset.copy(source.offset);
this.repeat.copy(source.repeat);
this.center.copy(source.center);
this.rotation = source.rotation;
this.matrixAutoUpdate = source.matrixAutoUpdate;
this.matrix.copy(source.matrix);
this.generateMipmaps = source.generateMipmaps;
this.premultiplyAlpha = source.premultiplyAlpha;
this.flipY = source.flipY;
this.unpackAlignment = source.unpackAlignment;
this.encoding = source.encoding;
return this;
},
toJSON: function toJSON(meta) {
var isRootObject = meta === undefined || typeof meta === 'string';
if (!isRootObject && meta.textures[this.uuid] !== undefined) {
return meta.textures[this.uuid];
}
var output = {
metadata: {
version: 4.5,
type: 'Texture',
generator: 'Texture.toJSON'
},
uuid: this.uuid,
name: this.name,
mapping: this.mapping,
repeat: [this.repeat.x, this.repeat.y],
offset: [this.offset.x, this.offset.y],
center: [this.center.x, this.center.y],
rotation: this.rotation,
wrap: [this.wrapS, this.wrapT],
format: this.format,
type: this.type,
encoding: this.encoding,
minFilter: this.minFilter,
magFilter: this.magFilter,
anisotropy: this.anisotropy,
flipY: this.flipY,
premultiplyAlpha: this.premultiplyAlpha,
unpackAlignment: this.unpackAlignment
};
if (this.image !== undefined) {
// TODO: Move to THREE.Image
var image = this.image;
if (image.uuid === undefined) {
image.uuid = MathUtils.generateUUID(); // UGH
}
if (!isRootObject && meta.images[image.uuid] === undefined) {
var url;
if (Array.isArray(image)) {
// process array of images e.g. CubeTexture
url = [];
for (var i = 0, l = image.length; i < l; i++) {
url.push(ImageUtils.getDataURL(image[i]));
}
} else {
// process single image
url = ImageUtils.getDataURL(image);
}
meta.images[image.uuid] = {
uuid: image.uuid,
url: url
};
}
output.image = image.uuid;
}
if (!isRootObject) {
meta.textures[this.uuid] = output;
}
return output;
},
dispose: function dispose() {
this.dispatchEvent({
type: 'dispose'
});
},
transformUv: function transformUv(uv) {
if (this.mapping !== UVMapping) return uv;
uv.applyMatrix3(this.matrix);
if (uv.x < 0 || uv.x > 1) {
switch (this.wrapS) {
case RepeatWrapping:
uv.x = uv.x - Math.floor(uv.x);
break;
case ClampToEdgeWrapping:
uv.x = uv.x < 0 ? 0 : 1;
break;
case MirroredRepeatWrapping:
if (Math.abs(Math.floor(uv.x) % 2) === 1) {
uv.x = Math.ceil(uv.x) - uv.x;
} else {
uv.x = uv.x - Math.floor(uv.x);
}
break;
}
}
if (uv.y < 0 || uv.y > 1) {
switch (this.wrapT) {
case RepeatWrapping:
uv.y = uv.y - Math.floor(uv.y);
break;
case ClampToEdgeWrapping:
uv.y = uv.y < 0 ? 0 : 1;
break;
case MirroredRepeatWrapping:
if (Math.abs(Math.floor(uv.y) % 2) === 1) {
uv.y = Math.ceil(uv.y) - uv.y;
} else {
uv.y = uv.y - Math.floor(uv.y);
}
break;
}
}
if (this.flipY) {
uv.y = 1 - uv.y;
}
return uv;
}
});
Object.defineProperty(Texture.prototype, "needsUpdate", {
set: function set(value) {
if (value === true) this.version++;
}
});
var Vector4 = /*#__PURE__*/function () {
function Vector4(x, y, z, w) {
if (x === void 0) {
x = 0;
}
if (y === void 0) {
y = 0;
}
if (z === void 0) {
z = 0;
}
if (w === void 0) {
w = 1;
}
Object.defineProperty(this, 'isVector4', {
value: true
});
this.x = x;
this.y = y;
this.z = z;
this.w = w;
}
var _proto = Vector4.prototype;
_proto.set = function set(x, y, z, w) {
this.x = x;
this.y = y;
this.z = z;
this.w = w;
return this;
};
_proto.setScalar = function setScalar(scalar) {
this.x = scalar;
this.y = scalar;
this.z = scalar;
this.w = scalar;
return this;
};
_proto.setX = function setX(x) {
this.x = x;
return this;
};
_proto.setY = function setY(y) {
this.y = y;
return this;
};
_proto.setZ = function setZ(z) {
this.z = z;
return this;
};
_proto.setW = function setW(w) {
this.w = w;
return this;
};
_proto.setComponent = function setComponent(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);
}
return this;
};
_proto.getComponent = function getComponent(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);
}
};
_proto.clone = function clone() {
return new this.constructor(this.x, this.y, this.z, this.w);
};
_proto.copy = function copy(v) {
this.x = v.x;
this.y = v.y;
this.z = v.z;
this.w = v.w !== undefined ? v.w : 1;
return this;
};
_proto.add = function add(v, w) {
if (w !== undefined) {
console.warn('THREE.Vector4: .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;
};
_proto.addScalar = function addScalar(s) {
this.x += s;
this.y += s;
this.z += s;
this.w += s;
return this;
};
_proto.addVectors = function addVectors(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;
};
_proto.addScaledVector = function addScaledVector(v, s) {
this.x += v.x * s;
this.y += v.y * s;
this.z += v.z * s;
this.w += v.w * s;
return this;
};
_proto.sub = function sub(v, w) {
if (w !== undefined) {
console.warn('THREE.Vector4: .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;
};
_proto.subScalar = function subScalar(s) {
this.x -= s;
this.y -= s;
this.z -= s;
this.w -= s;
return this;
};
_proto.subVectors = function subVectors(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;
};
_proto.multiplyScalar = function multiplyScalar(scalar) {
this.x *= scalar;
this.y *= scalar;
this.z *= scalar;
this.w *= scalar;
return this;
};
_proto.applyMatrix4 = function applyMatrix4(m) {
var x = this.x,
y = this.y,
z = this.z,
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;
};
_proto.divideScalar = function divideScalar(scalar) {
return this.multiplyScalar(1 / scalar);
};
_proto.setAxisAngleFromQuaternion = function setAxisAngleFromQuaternion(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;
};
_proto.setAxisAngleFromRotationMatrix = function setAxisAngleFromRotationMatrix(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
var 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;
};
_proto.min = function min(v) {
this.x = Math.min(this.x, v.x);
this.y = Math.min(this.y, v.y);
this.z = Math.min(this.z, v.z);
this.w = Math.min(this.w, v.w);
return this;
};
_proto.max = function max(v) {
this.x = Math.max(this.x, v.x);
this.y = Math.max(this.y, v.y);
this.z = Math.max(this.z, v.z);
this.w = Math.max(this.w, v.w);
return this;
};
_proto.clamp = function clamp(min, max) {
// assumes min < max, componentwise
this.x = Math.max(min.x, Math.min(max.x, this.x));
this.y = Math.max(min.y, Math.min(max.y, this.y));
this.z = Math.max(min.z, Math.min(max.z, this.z));
this.w = Math.max(min.w, Math.min(max.w, this.w));
return this;
};
_proto.clampScalar = function clampScalar(minVal, maxVal) {
this.x = Math.max(minVal, Math.min(maxVal, this.x));
this.y = Math.max(minVal, Math.min(maxVal, this.y));
this.z = Math.max(minVal, Math.min(maxVal, this.z));
this.w = Math.max(minVal, Math.min(maxVal, this.w));
return this;
};
_proto.clampLength = function clampLength(min, max) {
var length = this.length();
return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length)));
};
_proto.floor = function floor() {
this.x = Math.floor(this.x);
this.y = Math.floor(this.y);
this.z = Math.floor(this.z);
this.w = Math.floor(this.w);
return this;
};
_proto.ceil = function ceil() {
this.x = Math.ceil(this.x);
this.y = Math.ceil(this.y);
this.z = Math.ceil(this.z);
this.w = Math.ceil(this.w);
return this;
};
_proto.round = function round() {
this.x = Math.round(this.x);
this.y = Math.round(this.y);
this.z = Math.round(this.z);
this.w = Math.round(this.w);
return this;
};
_proto.roundToZero = function roundToZero() {
this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x);
this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y);
this.z = this.z < 0 ? Math.ceil(this.z) : Math.floor(this.z);
this.w = this.w < 0 ? Math.ceil(this.w) : Math.floor(this.w);
return this;
};
_proto.negate = function negate() {
this.x = -this.x;
this.y = -this.y;
this.z = -this.z;
this.w = -this.w;
return this;
};
_proto.dot = function dot(v) {
return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
};
_proto.lengthSq = function lengthSq() {
return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
};
_proto.length = function length() {
return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
};
_proto.manhattanLength = function manhattanLength() {
return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w);
};
_proto.normalize = function normalize() {
return this.divideScalar(this.length() || 1);
};
_proto.setLength = function setLength(length) {
return this.normalize().multiplyScalar(length);
};
_proto.lerp = function lerp(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;
};
_proto.lerpVectors = function lerpVectors(v1, v2, alpha) {
this.x = v1.x + (v2.x - v1.x) * alpha;
this.y = v1.y + (v2.y - v1.y) * alpha;
this.z = v1.z + (v2.z - v1.z) * alpha;
this.w = v1.w + (v2.w - v1.w) * alpha;
return this;
};
_proto.equals = function equals(v) {
return v.x === this.x && v.y === this.y && v.z === this.z && v.w === this.w;
};
_proto.fromArray = function fromArray(array, offset) {
if (offset === void 0) {
offset = 0;
}
this.x = array[offset];
this.y = array[offset + 1];
this.z = array[offset + 2];
this.w = array[offset + 3];
return this;
};
_proto.toArray = function toArray(array, offset) {
if (array === void 0) {
array = [];
}
if (offset === void 0) {
offset = 0;
}
array[offset] = this.x;
array[offset + 1] = this.y;
array[offset + 2] = this.z;
array[offset + 3] = this.w;
return array;
};
_proto.fromBufferAttribute = function fromBufferAttribute(attribute, index, offset) {
if (offset !== undefined) {
console.warn('THREE.Vector4: offset has been removed from .fromBufferAttribute().');
}
this.x = attribute.getX(index);
this.y = attribute.getY(index);
this.z = attribute.getZ(index);
this.w = attribute.getW(index);
return this;
};
_proto.random = function