@needle-tools/engine
Version:
Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in.
1,416 lines (1,415 loc) • 1.26 MB
JavaScript
const Dr = "169.19", lw = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }, uw = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }, x_ = 0, Ap = 1, __ = 2, hw = 3, dw = 0, of = 1, y_ = 2, si = 3, Is = 0, dn = 1, rs = 2, Wi = 0, qs = 1, hu = 2, Np = 3, Ep = 4, v_ = 5, Ws = 100, M_ = 101, S_ = 102, T_ = 103, b_ = 104, w_ = 200, A_ = 201, N_ = 202, E_ = 203, du = 204, pu = 205, C_ = 206, R_ = 207, I_ = 208, P_ = 209, L_ = 210, D_ = 211, U_ = 212, F_ = 213, O_ = 214, fu = 0, mu = 1, gu = 2, Wr = 3, xu = 4, _u = 5, yu = 6, vu = 7, Ko = 0, af = 1, cf = 2, Pi = 0, lf = 1, uf = 2, hf = 3, df = 4, V_ = 5, pf = 6, ff = 7, Cp = "attached", z_ = "detached", ph = 300, vi = 301, Li = 302, Xr = 303, qr = 304, eo = 306, $r = 1e3, Ci = 1001, Za = 1002, sn = 1003, mf = 1004, pw = 1004, Xs = 1005, fw = 1005, Bt = 1006, Ur = 1007, mw = 1007, ci = 1008, B_ = 1008, us = 1009, gf = 1010, xf = 1011, Go = 1012, jo = 1013, $i = 1014, qn = 1015, Vn = 1016, fh = 1017, mh = 1018, Yr = 1020, _f = 35902, yf = 35899, vf = 1021, Mf = 1022, On = 1023, Sf = 1024, Tf = 1025, Fr = 1026, Zr = 1027, gh = 1028, yc = 1029, Ja = 1030, xh = 1031, gw = 1032, _h = 1033, La = 33776, Da = 33777, Ua = 33778, Fa = 33779, Mu = 35840, Su = 35841, Tu = 35842, bu = 35843, wu = 36196, Au = 37492, Nu = 37496, Eu = 37808, Cu = 37809, Ru = 37810, Iu = 37811, Pu = 37812, Lu = 37813, Du = 37814, Uu = 37815, Fu = 37816, Ou = 37817, Vu = 37818, zu = 37819, Bu = 37820, ku = 37821, Oa = 36492, Hu = 36494, Gu = 36495, bf = 36283, Wu = 36284, Xu = 36285, qu = 36286, k_ = 2200, H_ = 2201, G_ = 2202, Ka = 2300, $u = 2301, nu = 2302, Er = 2400, Cr = 2401, ja = 2402, yh = 2500, wf = 2501, xw = 0, _w = 1, yw = 2, W_ = 3200, X_ = 3201, vw = 3202, Mw = 3203, hs = 0, Af = 1, Hi = "", Wn = "srgb", Mi = "srgb-linear", vh = "display-p3", vc = "display-p3-linear", Qa = "linear", Ot = "srgb", ec = "rec709", tc = "p3", Sw = 0, Tr = 7680, Tw = 7681, bw = 7682, ww = 7683, Aw = 34055, Nw = 34056, Ew = 5386, Cw = 512, Rw = 513, Iw = 514, Pw = 515, Lw = 516, Dw = 517, Uw = 518, Rp = 519, q_ = 512, Nf = 513, $_ = 514, Ef = 515, Y_ = 516, Z_ = 517, J_ = 518, K_ = 519, Wo = 35044, Lo = 35048, Fw = 35040, Ow = 35045, Vw = 35049, zw = 35041, Bw = 35046, kw = 35050, Hw = 35042, Gw = "100", Ip = "300 es", Ri = 2e3, Jr = 2001;
class Di {
addEventListener(e, t) {
this._listeners === void 0 && (this._listeners = {});
const n = this._listeners;
n[e] === void 0 && (n[e] = []), n[e].indexOf(t) === -1 && n[e].push(t);
}
hasEventListener(e, t) {
if (this._listeners === void 0) return !1;
const n = this._listeners;
return n[e] !== void 0 && n[e].indexOf(t) !== -1;
}
removeEventListener(e, t) {
if (this._listeners === void 0) return;
const i = this._listeners[e];
if (i !== void 0) {
const r = i.indexOf(t);
r !== -1 && i.splice(r, 1);
}
}
dispatchEvent(e) {
if (this._listeners === void 0) return;
const n = this._listeners[e.type];
if (n !== void 0) {
e.target = this;
const i = n.slice(0);
for (let r = 0, o = i.length; r < o; r++)
i[r].call(this, e);
e.target = null;
}
}
}
const Dn = ["00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0a", "0b", "0c", "0d", "0e", "0f", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1a", "1b", "1c", "1d", "1e", "1f", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2a", "2b", "2c", "2d", "2e", "2f", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3a", "3b", "3c", "3d", "3e", "3f", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4a", "4b", "4c", "4d", "4e", "4f", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5a", "5b", "5c", "5d", "5e", "5f", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6a", "6b", "6c", "6d", "6e", "6f", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7a", "7b", "7c", "7d", "7e", "7f", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8a", "8b", "8c", "8d", "8e", "8f", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9a", "9b", "9c", "9d", "9e", "9f", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "aa", "ab", "ac", "ad", "ae", "af", "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9", "ba", "bb", "bc", "bd", "be", "bf", "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "ca", "cb", "cc", "cd", "ce", "cf", "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "da", "db", "dc", "dd", "de", "df", "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "ea", "eb", "ec", "ed", "ee", "ef", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "fa", "fb", "fc", "fd", "fe", "ff"];
let $g = 1234567;
const Or = Math.PI / 180, Xo = 180 / Math.PI;
function yi() {
const s = Math.random() * 4294967295 | 0, e = Math.random() * 4294967295 | 0, t = Math.random() * 4294967295 | 0, n = Math.random() * 4294967295 | 0;
return (Dn[s & 255] + Dn[s >> 8 & 255] + Dn[s >> 16 & 255] + Dn[s >> 24 & 255] + "-" + Dn[e & 255] + Dn[e >> 8 & 255] + "-" + Dn[e >> 16 & 15 | 64] + Dn[e >> 24 & 255] + "-" + Dn[t & 63 | 128] + Dn[t >> 8 & 255] + "-" + Dn[t >> 16 & 255] + Dn[t >> 24 & 255] + Dn[n & 255] + Dn[n >> 8 & 255] + Dn[n >> 16 & 255] + Dn[n >> 24 & 255]).toLowerCase();
}
function jt(s, e, t) {
return Math.max(e, Math.min(t, s));
}
function Cf(s, e) {
return (s % e + e) % e;
}
function Ww(s, e, t, n, i) {
return n + (s - e) * (i - n) / (t - e);
}
function Xw(s, e, t) {
return s !== e ? (t - s) / (e - s) : 0;
}
function Va(s, e, t) {
return (1 - t) * s + t * e;
}
function qw(s, e, t, n) {
return Va(s, e, 1 - Math.exp(-t * n));
}
function $w(s, e = 1) {
return e - Math.abs(Cf(s, e * 2) - e);
}
function Yw(s, e, t) {
return s <= e ? 0 : s >= t ? 1 : (s = (s - e) / (t - e), s * s * (3 - 2 * s));
}
function Zw(s, e, t) {
return s <= e ? 0 : s >= t ? 1 : (s = (s - e) / (t - e), s * s * s * (s * (s * 6 - 15) + 10));
}
function Jw(s, e) {
return s + Math.floor(Math.random() * (e - s + 1));
}
function Kw(s, e) {
return s + Math.random() * (e - s);
}
function jw(s) {
return s * (0.5 - Math.random());
}
function Qw(s) {
s !== void 0 && ($g = s);
let e = $g += 1831565813;
return e = Math.imul(e ^ e >>> 15, e | 1), e ^= e + Math.imul(e ^ e >>> 7, e | 61), ((e ^ e >>> 14) >>> 0) / 4294967296;
}
function e1(s) {
return s * Or;
}
function t1(s) {
return s * Xo;
}
function n1(s) {
return (s & s - 1) === 0 && s !== 0;
}
function i1(s) {
return Math.pow(2, Math.ceil(Math.log(s) / Math.LN2));
}
function s1(s) {
return Math.pow(2, Math.floor(Math.log(s) / Math.LN2));
}
function r1(s, e, t, n, i) {
const r = Math.cos, o = Math.sin, a = r(t / 2), c = o(t / 2), l = r((e + n) / 2), u = o((e + n) / 2), h = r((e - n) / 2), d = o((e - n) / 2), p = r((n - e) / 2), f = o((n - e) / 2);
switch (i) {
case "XYX":
s.set(a * u, c * h, c * d, a * l);
break;
case "YZY":
s.set(c * d, a * u, c * h, a * l);
break;
case "ZXZ":
s.set(c * h, c * d, a * u, a * l);
break;
case "XZX":
s.set(a * u, c * f, c * p, a * l);
break;
case "YXY":
s.set(c * p, a * u, c * f, a * l);
break;
case "ZYZ":
s.set(c * f, c * p, a * u, a * l);
break;
default:
console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: " + i);
}
}
function Xn(s, e) {
switch (e.constructor) {
case Float32Array:
return s;
case Uint32Array:
return s / 4294967295;
case Uint16Array:
return s / 65535;
case Uint8Array:
return s / 255;
case Int32Array:
return Math.max(s / 2147483647, -1);
case Int16Array:
return Math.max(s / 32767, -1);
case Int8Array:
return Math.max(s / 127, -1);
default:
throw new Error("Invalid component type.");
}
}
function ct(s, e) {
switch (e.constructor) {
case Float32Array:
return s;
case Uint32Array:
return Math.round(s * 4294967295);
case Uint16Array:
return Math.round(s * 65535);
case Uint8Array:
return Math.round(s * 255);
case Int32Array:
return Math.round(s * 2147483647);
case Int16Array:
return Math.round(s * 32767);
case Int8Array:
return Math.round(s * 127);
default:
throw new Error("Invalid component type.");
}
}
const Rf = {
DEG2RAD: Or,
RAD2DEG: Xo,
generateUUID: yi,
clamp: jt,
euclideanModulo: Cf,
mapLinear: Ww,
inverseLerp: Xw,
lerp: Va,
damp: qw,
pingpong: $w,
smoothstep: Yw,
smootherstep: Zw,
randInt: Jw,
randFloat: Kw,
randFloatSpread: jw,
seededRandom: Qw,
degToRad: e1,
radToDeg: t1,
isPowerOfTwo: n1,
ceilPowerOfTwo: i1,
floorPowerOfTwo: s1,
setQuaternionFromProperEuler: r1,
normalize: ct,
denormalize: Xn
};
class J {
constructor(e = 0, t = 0) {
J.prototype.isVector2 = !0, this.x = e, this.y = t;
}
get width() {
return this.x;
}
set width(e) {
this.x = e;
}
get height() {
return this.y;
}
set height(e) {
this.y = e;
}
set(e, t) {
return this.x = e, this.y = t, this;
}
setScalar(e) {
return this.x = e, this.y = e, this;
}
setX(e) {
return this.x = e, this;
}
setY(e) {
return this.y = e, this;
}
setComponent(e, t) {
switch (e) {
case 0:
this.x = t;
break;
case 1:
this.y = t;
break;
default:
throw new Error("index is out of range: " + e);
}
return this;
}
getComponent(e) {
switch (e) {
case 0:
return this.x;
case 1:
return this.y;
default:
throw new Error("index is out of range: " + e);
}
}
clone() {
return new this.constructor(this.x, this.y);
}
copy(e) {
return this.x = e.x, this.y = e.y, this;
}
add(e) {
return this.x += e.x, this.y += e.y, this;
}
addScalar(e) {
return this.x += e, this.y += e, this;
}
addVectors(e, t) {
return this.x = e.x + t.x, this.y = e.y + t.y, this;
}
addScaledVector(e, t) {
return this.x += e.x * t, this.y += e.y * t, this;
}
sub(e) {
return this.x -= e.x, this.y -= e.y, this;
}
subScalar(e) {
return this.x -= e, this.y -= e, this;
}
subVectors(e, t) {
return this.x = e.x - t.x, this.y = e.y - t.y, this;
}
multiply(e) {
return this.x *= e.x, this.y *= e.y, this;
}
multiplyScalar(e) {
return this.x *= e, this.y *= e, this;
}
divide(e) {
return this.x /= e.x, this.y /= e.y, this;
}
divideScalar(e) {
return this.multiplyScalar(1 / e);
}
applyMatrix3(e) {
const t = this.x, n = this.y, i = e.elements;
return this.x = i[0] * t + i[3] * n + i[6], this.y = i[1] * t + i[4] * n + i[7], this;
}
min(e) {
return this.x = Math.min(this.x, e.x), this.y = Math.min(this.y, e.y), this;
}
max(e) {
return this.x = Math.max(this.x, e.x), this.y = Math.max(this.y, e.y), this;
}
clamp(e, t) {
return this.x = Math.max(e.x, Math.min(t.x, this.x)), this.y = Math.max(e.y, Math.min(t.y, this.y)), this;
}
clampScalar(e, t) {
return this.x = Math.max(e, Math.min(t, this.x)), this.y = Math.max(e, Math.min(t, this.y)), this;
}
clampLength(e, t) {
const n = this.length();
return this.divideScalar(n || 1).multiplyScalar(Math.max(e, Math.min(t, n)));
}
floor() {
return this.x = Math.floor(this.x), this.y = Math.floor(this.y), this;
}
ceil() {
return this.x = Math.ceil(this.x), this.y = Math.ceil(this.y), this;
}
round() {
return this.x = Math.round(this.x), this.y = Math.round(this.y), this;
}
roundToZero() {
return this.x = Math.trunc(this.x), this.y = Math.trunc(this.y), this;
}
negate() {
return this.x = -this.x, this.y = -this.y, this;
}
dot(e) {
return this.x * e.x + this.y * e.y;
}
cross(e) {
return this.x * e.y - this.y * e.x;
}
lengthSq() {
return this.x * this.x + this.y * this.y;
}
length() {
return Math.sqrt(this.x * this.x + this.y * this.y);
}
manhattanLength() {
return Math.abs(this.x) + Math.abs(this.y);
}
normalize() {
return this.divideScalar(this.length() || 1);
}
angle() {
return Math.atan2(-this.y, -this.x) + Math.PI;
}
angleTo(e) {
const t = Math.sqrt(this.lengthSq() * e.lengthSq());
if (t === 0) return Math.PI / 2;
const n = this.dot(e) / t;
return Math.acos(jt(n, -1, 1));
}
distanceTo(e) {
return Math.sqrt(this.distanceToSquared(e));
}
distanceToSquared(e) {
const t = this.x - e.x, n = this.y - e.y;
return t * t + n * n;
}
manhattanDistanceTo(e) {
return Math.abs(this.x - e.x) + Math.abs(this.y - e.y);
}
setLength(e) {
return this.normalize().multiplyScalar(e);
}
lerp(e, t) {
return this.x += (e.x - this.x) * t, this.y += (e.y - this.y) * t, this;
}
lerpVectors(e, t, n) {
return this.x = e.x + (t.x - e.x) * n, this.y = e.y + (t.y - e.y) * n, this;
}
equals(e) {
return e.x === this.x && e.y === this.y;
}
fromArray(e, t = 0) {
return this.x = e[t], this.y = e[t + 1], this;
}
toArray(e = [], t = 0) {
return e[t] = this.x, e[t + 1] = this.y, e;
}
fromBufferAttribute(e, t) {
return this.x = e.getX(t), this.y = e.getY(t), this;
}
rotateAround(e, t) {
const n = Math.cos(t), i = Math.sin(t), r = this.x - e.x, o = this.y - e.y;
return this.x = r * n - o * i + e.x, this.y = r * i + o * n + e.y, this;
}
random() {
return this.x = Math.random(), this.y = Math.random(), this;
}
*[Symbol.iterator]() {
yield this.x, yield this.y;
}
}
class je {
constructor(e, t, n, i, r, o, a, c, l) {
je.prototype.isMatrix3 = !0, this.elements = [
1,
0,
0,
0,
1,
0,
0,
0,
1
], e !== void 0 && this.set(e, t, n, i, r, o, a, c, l);
}
set(e, t, n, i, r, o, a, c, l) {
const u = this.elements;
return u[0] = e, u[1] = i, u[2] = a, u[3] = t, u[4] = r, u[5] = c, u[6] = n, u[7] = o, u[8] = l, this;
}
identity() {
return this.set(
1,
0,
0,
0,
1,
0,
0,
0,
1
), this;
}
copy(e) {
const t = this.elements, n = e.elements;
return t[0] = n[0], t[1] = n[1], t[2] = n[2], t[3] = n[3], t[4] = n[4], t[5] = n[5], t[6] = n[6], t[7] = n[7], t[8] = n[8], this;
}
extractBasis(e, t, n) {
return e.setFromMatrix3Column(this, 0), t.setFromMatrix3Column(this, 1), n.setFromMatrix3Column(this, 2), this;
}
setFromMatrix4(e) {
const t = e.elements;
return this.set(
t[0],
t[4],
t[8],
t[1],
t[5],
t[9],
t[2],
t[6],
t[10]
), this;
}
multiply(e) {
return this.multiplyMatrices(this, e);
}
premultiply(e) {
return this.multiplyMatrices(e, this);
}
multiplyMatrices(e, t) {
const n = e.elements, i = t.elements, r = this.elements, o = n[0], a = n[3], c = n[6], l = n[1], u = n[4], h = n[7], d = n[2], p = n[5], f = n[8], x = i[0], m = i[3], g = i[6], y = i[1], _ = i[4], v = i[7], I = i[2], T = i[5], w = i[8];
return r[0] = o * x + a * y + c * I, r[3] = o * m + a * _ + c * T, r[6] = o * g + a * v + c * w, r[1] = l * x + u * y + h * I, r[4] = l * m + u * _ + h * T, r[7] = l * g + u * v + h * w, r[2] = d * x + p * y + f * I, r[5] = d * m + p * _ + f * T, r[8] = d * g + p * v + f * w, this;
}
multiplyScalar(e) {
const t = this.elements;
return t[0] *= e, t[3] *= e, t[6] *= e, t[1] *= e, t[4] *= e, t[7] *= e, t[2] *= e, t[5] *= e, t[8] *= e, this;
}
determinant() {
const e = this.elements, t = e[0], n = e[1], i = e[2], r = e[3], o = e[4], a = e[5], c = e[6], l = e[7], u = e[8];
return t * o * u - t * a * l - n * r * u + n * a * c + i * r * l - i * o * c;
}
invert() {
const e = this.elements, t = e[0], n = e[1], i = e[2], r = e[3], o = e[4], a = e[5], c = e[6], l = e[7], u = e[8], h = u * o - a * l, d = a * c - u * r, p = l * r - o * c, f = t * h + n * d + i * p;
if (f === 0) return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0);
const x = 1 / f;
return e[0] = h * x, e[1] = (i * l - u * n) * x, e[2] = (a * n - i * o) * x, e[3] = d * x, e[4] = (u * t - i * c) * x, e[5] = (i * r - a * t) * x, e[6] = p * x, e[7] = (n * c - l * t) * x, e[8] = (o * t - n * r) * x, this;
}
transpose() {
let e;
const t = this.elements;
return e = t[1], t[1] = t[3], t[3] = e, e = t[2], t[2] = t[6], t[6] = e, e = t[5], t[5] = t[7], t[7] = e, this;
}
getNormalMatrix(e) {
return this.setFromMatrix4(e).invert().transpose();
}
transposeIntoArray(e) {
const t = this.elements;
return e[0] = t[0], e[1] = t[3], e[2] = t[6], e[3] = t[1], e[4] = t[4], e[5] = t[7], e[6] = t[2], e[7] = t[5], e[8] = t[8], this;
}
setUvTransform(e, t, n, i, r, o, a) {
const c = Math.cos(r), l = Math.sin(r);
return this.set(
n * c,
n * l,
-n * (c * o + l * a) + o + e,
-i * l,
i * c,
-i * (-l * o + c * a) + a + t,
0,
0,
1
), this;
}
//
scale(e, t) {
return this.premultiply(md.makeScale(e, t)), this;
}
rotate(e) {
return this.premultiply(md.makeRotation(-e)), this;
}
translate(e, t) {
return this.premultiply(md.makeTranslation(e, t)), this;
}
// for 2D Transforms
makeTranslation(e, t) {
return e.isVector2 ? this.set(
1,
0,
e.x,
0,
1,
e.y,
0,
0,
1
) : this.set(
1,
0,
e,
0,
1,
t,
0,
0,
1
), this;
}
makeRotation(e) {
const t = Math.cos(e), n = Math.sin(e);
return this.set(
t,
-n,
0,
n,
t,
0,
0,
0,
1
), this;
}
makeScale(e, t) {
return this.set(
e,
0,
0,
0,
t,
0,
0,
0,
1
), this;
}
//
equals(e) {
const t = this.elements, n = e.elements;
for (let i = 0; i < 9; i++)
if (t[i] !== n[i]) return !1;
return !0;
}
fromArray(e, t = 0) {
for (let n = 0; n < 9; n++)
this.elements[n] = e[n + t];
return this;
}
toArray(e = [], t = 0) {
const n = this.elements;
return e[t] = n[0], e[t + 1] = n[1], e[t + 2] = n[2], e[t + 3] = n[3], e[t + 4] = n[4], e[t + 5] = n[5], e[t + 6] = n[6], e[t + 7] = n[7], e[t + 8] = n[8], e;
}
clone() {
return new this.constructor().fromArray(this.elements);
}
}
const md = /* @__PURE__ */ new je();
function j_(s) {
for (let e = s.length - 1; e >= 0; --e)
if (s[e] >= 65535) return !0;
return !1;
}
const o1 = {
Int8Array,
Uint8Array,
Uint8ClampedArray,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array
};
function Do(s, e) {
return new o1[s](e);
}
function nc(s) {
return document.createElementNS("http://www.w3.org/1999/xhtml", s);
}
function Q_() {
const s = nc("canvas");
return s.style.display = "block", s;
}
const Yg = {};
function iu(s) {
s in Yg || (Yg[s] = !0, console.warn(s));
}
function a1(s, e, t) {
return new Promise(function(n, i) {
function r() {
switch (s.clientWaitSync(e, s.SYNC_FLUSH_COMMANDS_BIT, 0)) {
case s.WAIT_FAILED:
i();
break;
case s.TIMEOUT_EXPIRED:
setTimeout(r, t);
break;
default:
n();
}
}
setTimeout(r, t);
});
}
function c1(s) {
const e = s.elements;
e[2] = 0.5 * e[2] + 0.5 * e[3], e[6] = 0.5 * e[6] + 0.5 * e[7], e[10] = 0.5 * e[10] + 0.5 * e[11], e[14] = 0.5 * e[14] + 0.5 * e[15];
}
function l1(s) {
const e = s.elements;
e[11] === -1 ? (e[10] = -e[10] - 1, e[14] = -e[14]) : (e[10] = -e[10], e[14] = -e[14] + 1);
}
const Zg = /* @__PURE__ */ new je().set(
0.8224621,
0.177538,
0,
0.0331941,
0.9668058,
0,
0.0170827,
0.0723974,
0.9105199
), Jg = /* @__PURE__ */ new je().set(
1.2249401,
-0.2249404,
0,
-0.0420569,
1.0420571,
0,
-0.0196376,
-0.0786361,
1.0982735
), ha = {
[Mi]: {
transfer: Qa,
primaries: ec,
luminanceCoefficients: [0.2126, 0.7152, 0.0722],
toReference: (s) => s,
fromReference: (s) => s
},
[Wn]: {
transfer: Ot,
primaries: ec,
luminanceCoefficients: [0.2126, 0.7152, 0.0722],
toReference: (s) => s.convertSRGBToLinear(),
fromReference: (s) => s.convertLinearToSRGB()
},
[vc]: {
transfer: Qa,
primaries: tc,
luminanceCoefficients: [0.2289, 0.6917, 0.0793],
toReference: (s) => s.applyMatrix3(Jg),
fromReference: (s) => s.applyMatrix3(Zg)
},
[vh]: {
transfer: Ot,
primaries: tc,
luminanceCoefficients: [0.2289, 0.6917, 0.0793],
toReference: (s) => s.convertSRGBToLinear().applyMatrix3(Jg),
fromReference: (s) => s.applyMatrix3(Zg).convertLinearToSRGB()
}
}, u1 = /* @__PURE__ */ new Set([Mi, vc]), xt = {
enabled: !0,
_workingColorSpace: Mi,
get workingColorSpace() {
return this._workingColorSpace;
},
set workingColorSpace(s) {
if (!u1.has(s))
throw new Error(`Unsupported working color space, "${s}".`);
this._workingColorSpace = s;
},
convert: function(s, e, t) {
if (this.enabled === !1 || e === t || !e || !t)
return s;
const n = ha[e].toReference, i = ha[t].fromReference;
return i(n(s));
},
fromWorkingColorSpace: function(s, e) {
return this.convert(s, this._workingColorSpace, e);
},
toWorkingColorSpace: function(s, e) {
return this.convert(s, e, this._workingColorSpace);
},
getPrimaries: function(s) {
return ha[s].primaries;
},
getTransfer: function(s) {
return s === Hi ? Qa : ha[s].transfer;
},
getLuminanceCoefficients: function(s, e = this._workingColorSpace) {
return s.fromArray(ha[e].luminanceCoefficients);
}
};
function ko(s) {
return s < 0.04045 ? s * 0.0773993808 : Math.pow(s * 0.9478672986 + 0.0521327014, 2.4);
}
function gd(s) {
return s < 31308e-7 ? s * 12.92 : 1.055 * Math.pow(s, 0.41666) - 0.055;
}
let ao;
class ey {
static getDataURL(e) {
if (/^data:/i.test(e.src) || typeof HTMLCanvasElement > "u")
return e.src;
let t;
if (e instanceof HTMLCanvasElement)
t = e;
else {
ao === void 0 && (ao = nc("canvas")), ao.width = e.width, ao.height = e.height;
const n = ao.getContext("2d");
e instanceof ImageData ? n.putImageData(e, 0, 0) : n.drawImage(e, 0, 0, e.width, e.height), t = ao;
}
return t.width > 2048 || t.height > 2048 ? (console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons", e), t.toDataURL("image/jpeg", 0.6)) : t.toDataURL("image/png");
}
static sRGBToLinear(e) {
if (typeof HTMLImageElement < "u" && e instanceof HTMLImageElement || typeof HTMLCanvasElement < "u" && e instanceof HTMLCanvasElement || typeof ImageBitmap < "u" && e instanceof ImageBitmap) {
const t = nc("canvas");
t.width = e.width, t.height = e.height;
const n = t.getContext("2d");
n.drawImage(e, 0, 0, e.width, e.height);
const i = n.getImageData(0, 0, e.width, e.height), r = i.data;
for (let o = 0; o < r.length; o++)
r[o] = ko(r[o] / 255) * 255;
return n.putImageData(i, 0, 0), t;
} else if (e.data) {
const t = e.data.slice(0);
for (let n = 0; n < t.length; n++)
t instanceof Uint8Array || t instanceof Uint8ClampedArray ? t[n] = Math.floor(ko(t[n] / 255) * 255) : t[n] = ko(t[n]);
return {
data: t,
width: e.width,
height: e.height
};
} else
return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."), e;
}
}
let h1 = 0;
class Rr {
constructor(e = null) {
this.isSource = !0, Object.defineProperty(this, "id", { value: h1++ }), this.uuid = yi(), this.data = e, this.dataReady = !0, this.version = 0;
}
set needsUpdate(e) {
e === !0 && this.version++;
}
toJSON(e) {
const t = e === void 0 || typeof e == "string";
if (!t && e.images[this.uuid] !== void 0)
return e.images[this.uuid];
const n = {
uuid: this.uuid,
url: ""
}, i = this.data;
if (i !== null) {
let r;
if (Array.isArray(i)) {
r = [];
for (let o = 0, a = i.length; o < a; o++)
i[o].isDataTexture ? r.push(xd(i[o].image)) : r.push(xd(i[o]));
} else
r = xd(i);
n.url = r;
}
return t || (e.images[this.uuid] = n), n;
}
}
function xd(s) {
return typeof HTMLImageElement < "u" && s instanceof HTMLImageElement || typeof HTMLCanvasElement < "u" && s instanceof HTMLCanvasElement || typeof ImageBitmap < "u" && s instanceof ImageBitmap ? ey.getDataURL(s) : s.data ? {
data: Array.from(s.data),
width: s.width,
height: s.height,
type: s.data.constructor.name
} : (console.warn("THREE.Texture: Unable to serialize Texture."), {});
}
let d1 = 0;
class Zt extends Di {
constructor(e = Zt.DEFAULT_IMAGE, t = Zt.DEFAULT_MAPPING, n = Ci, i = Ci, r = Bt, o = ci, a = On, c = us, l = Zt.DEFAULT_ANISOTROPY, u = Hi) {
super(), this.isTexture = !0, Object.defineProperty(this, "id", { value: d1++ }), this.uuid = yi(), this.name = "", this.source = new Rr(e), this.mipmaps = [], this.mapping = t, this.channel = 0, this.wrapS = n, this.wrapT = i, this.magFilter = r, this.minFilter = o, this.anisotropy = l, this.format = a, this.internalFormat = null, this.type = c, this.offset = new J(0, 0), this.repeat = new J(1, 1), this.center = new J(0, 0), this.rotation = 0, this.matrixAutoUpdate = !0, this.matrix = new je(), this.generateMipmaps = !0, this.premultiplyAlpha = !1, this.flipY = !0, this.unpackAlignment = 4, this.colorSpace = u, this.userData = {}, this.version = 0, this.onUpdate = null, this.isRenderTargetTexture = !1, this.pmremVersion = 0;
}
get image() {
return this.source.data;
}
set image(e = null) {
this.source.data = e;
}
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() {
return new this.constructor().copy(this);
}
copy(e) {
return this.name = e.name, this.source = e.source, this.mipmaps = e.mipmaps.slice(0), this.mapping = e.mapping, this.channel = e.channel, this.wrapS = e.wrapS, this.wrapT = e.wrapT, this.magFilter = e.magFilter, this.minFilter = e.minFilter, this.anisotropy = e.anisotropy, this.format = e.format, this.internalFormat = e.internalFormat, this.type = e.type, this.offset.copy(e.offset), this.repeat.copy(e.repeat), this.center.copy(e.center), this.rotation = e.rotation, this.matrixAutoUpdate = e.matrixAutoUpdate, this.matrix.copy(e.matrix), this.generateMipmaps = e.generateMipmaps, this.premultiplyAlpha = e.premultiplyAlpha, this.flipY = e.flipY, this.unpackAlignment = e.unpackAlignment, this.colorSpace = e.colorSpace, this.userData = JSON.parse(JSON.stringify(e.userData)), this.needsUpdate = !0, this;
}
toJSON(e) {
const t = e === void 0 || typeof e == "string";
if (!t && e.textures[this.uuid] !== void 0)
return e.textures[this.uuid];
const n = {
metadata: {
version: 4.6,
type: "Texture",
generator: "Texture.toJSON"
},
uuid: this.uuid,
name: this.name,
image: this.source.toJSON(e).uuid,
mapping: this.mapping,
channel: this.channel,
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,
internalFormat: this.internalFormat,
type: this.type,
colorSpace: this.colorSpace,
minFilter: this.minFilter,
magFilter: this.magFilter,
anisotropy: this.anisotropy,
flipY: this.flipY,
generateMipmaps: this.generateMipmaps,
premultiplyAlpha: this.premultiplyAlpha,
unpackAlignment: this.unpackAlignment
};
return Object.keys(this.userData).length > 0 && (n.userData = this.userData), t || (e.textures[this.uuid] = n), n;
}
dispose() {
this.dispatchEvent({ type: "dispose" });
}
transformUv(e) {
if (this.mapping !== ph) return e;
if (e.applyMatrix3(this.matrix), e.x < 0 || e.x > 1)
switch (this.wrapS) {
case $r:
e.x = e.x - Math.floor(e.x);
break;
case Ci:
e.x = e.x < 0 ? 0 : 1;
break;
case Za:
Math.abs(Math.floor(e.x) % 2) === 1 ? e.x = Math.ceil(e.x) - e.x : e.x = e.x - Math.floor(e.x);
break;
}
if (e.y < 0 || e.y > 1)
switch (this.wrapT) {
case $r:
e.y = e.y - Math.floor(e.y);
break;
case Ci:
e.y = e.y < 0 ? 0 : 1;
break;
case Za:
Math.abs(Math.floor(e.y) % 2) === 1 ? e.y = Math.ceil(e.y) - e.y : e.y = e.y - Math.floor(e.y);
break;
}
return this.flipY && (e.y = 1 - e.y), e;
}
set needsUpdate(e) {
e === !0 && (this.version++, this.source.needsUpdate = !0);
}
set needsPMREMUpdate(e) {
e === !0 && this.pmremVersion++;
}
}
Zt.DEFAULT_IMAGE = null;
Zt.DEFAULT_MAPPING = ph;
Zt.DEFAULT_ANISOTROPY = 4;
class rt {
constructor(e = 0, t = 0, n = 0, i = 1) {
rt.prototype.isVector4 = !0, this.x = e, this.y = t, this.z = n, this.w = i;
}
get width() {
return this.z;
}
set width(e) {
this.z = e;
}
get height() {
return this.w;
}
set height(e) {
this.w = e;
}
set(e, t, n, i) {
return this.x = e, this.y = t, this.z = n, this.w = i, this;
}
setScalar(e) {
return this.x = e, this.y = e, this.z = e, this.w = e, this;
}
setX(e) {
return this.x = e, this;
}
setY(e) {
return this.y = e, this;
}
setZ(e) {
return this.z = e, this;
}
setW(e) {
return this.w = e, this;
}
setComponent(e, t) {
switch (e) {
case 0:
this.x = t;
break;
case 1:
this.y = t;
break;
case 2:
this.z = t;
break;
case 3:
this.w = t;
break;
default:
throw new Error("index is out of range: " + e);
}
return this;
}
getComponent(e) {
switch (e) {
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: " + e);
}
}
clone() {
return new this.constructor(this.x, this.y, this.z, this.w);
}
copy(e) {
return this.x = e.x, this.y = e.y, this.z = e.z, this.w = e.w !== void 0 ? e.w : 1, this;
}
add(e) {
return this.x += e.x, this.y += e.y, this.z += e.z, this.w += e.w, this;
}
addScalar(e) {
return this.x += e, this.y += e, this.z += e, this.w += e, this;
}
addVectors(e, t) {
return this.x = e.x + t.x, this.y = e.y + t.y, this.z = e.z + t.z, this.w = e.w + t.w, this;
}
addScaledVector(e, t) {
return this.x += e.x * t, this.y += e.y * t, this.z += e.z * t, this.w += e.w * t, this;
}
sub(e) {
return this.x -= e.x, this.y -= e.y, this.z -= e.z, this.w -= e.w, this;
}
subScalar(e) {
return this.x -= e, this.y -= e, this.z -= e, this.w -= e, this;
}
subVectors(e, t) {
return this.x = e.x - t.x, this.y = e.y - t.y, this.z = e.z - t.z, this.w = e.w - t.w, this;
}
multiply(e) {
return this.x *= e.x, this.y *= e.y, this.z *= e.z, this.w *= e.w, this;
}
multiplyScalar(e) {
return this.x *= e, this.y *= e, this.z *= e, this.w *= e, this;
}
applyMatrix4(e) {
const t = this.x, n = this.y, i = this.z, r = this.w, o = e.elements;
return this.x = o[0] * t + o[4] * n + o[8] * i + o[12] * r, this.y = o[1] * t + o[5] * n + o[9] * i + o[13] * r, this.z = o[2] * t + o[6] * n + o[10] * i + o[14] * r, this.w = o[3] * t + o[7] * n + o[11] * i + o[15] * r, this;
}
divideScalar(e) {
return this.multiplyScalar(1 / e);
}
setAxisAngleFromQuaternion(e) {
this.w = 2 * Math.acos(e.w);
const t = Math.sqrt(1 - e.w * e.w);
return t < 1e-4 ? (this.x = 1, this.y = 0, this.z = 0) : (this.x = e.x / t, this.y = e.y / t, this.z = e.z / t), this;
}
setAxisAngleFromRotationMatrix(e) {
let t, n, i, r;
const c = e.elements, l = c[0], u = c[4], h = c[8], d = c[1], p = c[5], f = c[9], x = c[2], m = c[6], g = c[10];
if (Math.abs(u - d) < 0.01 && Math.abs(h - x) < 0.01 && Math.abs(f - m) < 0.01) {
if (Math.abs(u + d) < 0.1 && Math.abs(h + x) < 0.1 && Math.abs(f + m) < 0.1 && Math.abs(l + p + g - 3) < 0.1)
return this.set(1, 0, 0, 0), this;
t = Math.PI;
const _ = (l + 1) / 2, v = (p + 1) / 2, I = (g + 1) / 2, T = (u + d) / 4, w = (h + x) / 4, C = (f + m) / 4;
return _ > v && _ > I ? _ < 0.01 ? (n = 0, i = 0.707106781, r = 0.707106781) : (n = Math.sqrt(_), i = T / n, r = w / n) : v > I ? v < 0.01 ? (n = 0.707106781, i = 0, r = 0.707106781) : (i = Math.sqrt(v), n = T / i, r = C / i) : I < 0.01 ? (n = 0.707106781, i = 0.707106781, r = 0) : (r = Math.sqrt(I), n = w / r, i = C / r), this.set(n, i, r, t), this;
}
let y = Math.sqrt((m - f) * (m - f) + (h - x) * (h - x) + (d - u) * (d - u));
return Math.abs(y) < 1e-3 && (y = 1), this.x = (m - f) / y, this.y = (h - x) / y, this.z = (d - u) / y, this.w = Math.acos((l + p + g - 1) / 2), this;
}
setFromMatrixPosition(e) {
const t = e.elements;
return this.x = t[12], this.y = t[13], this.z = t[14], this.w = t[15], this;
}
min(e) {
return this.x = Math.min(this.x, e.x), this.y = Math.min(this.y, e.y), this.z = Math.min(this.z, e.z), this.w = Math.min(this.w, e.w), this;
}
max(e) {
return this.x = Math.max(this.x, e.x), this.y = Math.max(this.y, e.y), this.z = Math.max(this.z, e.z), this.w = Math.max(this.w, e.w), this;
}
clamp(e, t) {
return this.x = Math.max(e.x, Math.min(t.x, this.x)), this.y = Math.max(e.y, Math.min(t.y, this.y)), this.z = Math.max(e.z, Math.min(t.z, this.z)), this.w = Math.max(e.w, Math.min(t.w, this.w)), this;
}
clampScalar(e, t) {
return this.x = Math.max(e, Math.min(t, this.x)), this.y = Math.max(e, Math.min(t, this.y)), this.z = Math.max(e, Math.min(t, this.z)), this.w = Math.max(e, Math.min(t, this.w)), this;
}
clampLength(e, t) {
const n = this.length();
return this.divideScalar(n || 1).multiplyScalar(Math.max(e, Math.min(t, n)));
}
floor() {
return this.x = Math.floor(this.x), this.y = Math.floor(this.y), this.z = Math.floor(this.z), this.w = Math.floor(this.w), this;
}
ceil() {
return this.x = Math.ceil(this.x), this.y = Math.ceil(this.y), this.z = Math.ceil(this.z), this.w = Math.ceil(this.w), this;
}
round() {
return this.x = Math.round(this.x), this.y = Math.round(this.y), this.z = Math.round(this.z), this.w = Math.round(this.w), this;
}
roundToZero() {
return this.x = Math.trunc(this.x), this.y = Math.trunc(this.y), this.z = Math.trunc(this.z), this.w = Math.trunc(this.w), this;
}
negate() {
return this.x = -this.x, this.y = -this.y, this.z = -this.z, this.w = -this.w, this;
}
dot(e) {
return this.x * e.x + this.y * e.y + this.z * e.z + this.w * e.w;
}
lengthSq() {
return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
}
length() {
return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
}
manhattanLength() {
return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w);
}
normalize() {
return this.divideScalar(this.length() || 1);
}
setLength(e) {
return this.normalize().multiplyScalar(e);
}
lerp(e, t) {
return this.x += (e.x - this.x) * t, this.y += (e.y - this.y) * t, this.z += (e.z - this.z) * t, this.w += (e.w - this.w) * t, this;
}
lerpVectors(e, t, n) {
return this.x = e.x + (t.x - e.x) * n, this.y = e.y + (t.y - e.y) * n, this.z = e.z + (t.z - e.z) * n, this.w = e.w + (t.w - e.w) * n, this;
}
equals(e) {
return e.x === this.x && e.y === this.y && e.z === this.z && e.w === this.w;
}
fromArray(e, t = 0) {
return this.x = e[t], this.y = e[t + 1], this.z = e[t + 2], this.w = e[t + 3], this;
}
toArray(e = [], t = 0) {
return e[t] = this.x, e[t + 1] = this.y, e[t + 2] = this.z, e[t + 3] = this.w, e;
}
fromBufferAttribute(e, t) {
return this.x = e.getX(t), this.y = e.getY(t), this.z = e.getZ(t), this.w = e.getW(t), this;
}
random() {
return this.x = Math.random(), this.y = Math.random(), this.z = Math.random(), this.w = Math.random(), this;
}
*[Symbol.iterator]() {
yield this.x, yield this.y, yield this.z, yield this.w;
}
}
class pn extends Di {
constructor(e = 1, t = 1, n = {}) {
super(), this.isRenderTarget = !0, this.width = e, this.height = t, this.depth = 1, this.scissor = new rt(0, 0, e, t), this.scissorTest = !1, this.viewport = new rt(0, 0, e, t);
const i = { width: e, height: t, depth: 1 };
n = Object.assign({
generateMipmaps: !1,
internalFormat: null,
minFilter: Bt,
depthBuffer: !0,
stencilBuffer: !1,
resolveDepthBuffer: !0,
resolveStencilBuffer: !0,
depthTexture: null,
samples: 0,
count: 1
}, n);
const r = new Zt(i, n.mapping, n.wrapS, n.wrapT, n.magFilter, n.minFilter, n.format, n.type, n.anisotropy, n.colorSpace);
r.flipY = !1, r.generateMipmaps = n.generateMipmaps, r.internalFormat = n.internalFormat, this.textures = [];
const o = n.count;
for (let a = 0; a < o; a++)
this.textures[a] = r.clone(), this.textures[a].isRenderTargetTexture = !0;
this.depthBuffer = n.depthBuffer, this.stencilBuffer = n.stencilBuffer, this.resolveDepthBuffer = n.resolveDepthBuffer, this.resolveStencilBuffer = n.resolveStencilBuffer, this.depthTexture = n.depthTexture, this.samples = n.samples;
}
get texture() {
return this.textures[0];
}
set texture(e) {
this.textures[0] = e;
}
setSize(e, t, n = 1) {
if (this.width !== e || this.height !== t || this.depth !== n) {
this.width = e, this.height = t, this.depth = n;
for (let i = 0, r = this.textures.length; i < r; i++)
this.textures[i].image.width = e, this.textures[i].image.height = t, this.textures[i].image.depth = n;
this.dispose();
}
this.viewport.set(0, 0, e, t), this.scissor.set(0, 0, e, t);
}
clone() {
return new this.constructor().copy(this);
}
copy(e) {
this.width = e.width, this.height = e.height, this.depth = e.depth, this.scissor.copy(e.scissor), this.scissorTest = e.scissorTest, this.viewport.copy(e.viewport), this.textures.length = 0;
for (let n = 0, i = e.textures.length; n < i; n++)
this.textures[n] = e.textures[n].clone(), this.textures[n].isRenderTargetTexture = !0;
const t = Object.assign({}, e.texture.image);
return this.texture.source = new Rr(t), this.depthBuffer = e.depthBuffer, this.stencilBuffer = e.stencilBuffer, this.resolveDepthBuffer = e.resolveDepthBuffer, this.resolveStencilBuffer = e.resolveStencilBuffer, e.depthTexture !== null && (this.depthTexture = e.depthTexture.clone()), this.samples = e.samples, this;
}
dispose() {
this.dispatchEvent({ type: "dispose" });
}
}
class Yi extends pn {
constructor(e = 1, t = 1, n = {}) {
super(e, t, n), this.isWebGLRenderTarget = !0;
}
}
class Mc extends Zt {
constructor(e = null, t = 1, n = 1, i = 1) {
super(null), this.isDataArrayTexture = !0, this.image = { data: e, width: t, height: n, depth: i }, this.magFilter = sn, this.minFilter = sn, this.wrapR = Ci, this.generateMipmaps = !1, this.flipY = !1, this.unpackAlignment = 1, this.layerUpdates = /* @__PURE__ */ new Set();
}
addLayerUpdate(e) {
this.layerUpdates.add(e);
}
clearLayerUpdates() {
this.layerUpdates.clear();
}
}
class p1 extends Yi {
constructor(e = 1, t = 1, n = 1, i = {}) {
super(e, t, i), this.isWebGLArrayRenderTarget = !0, this.depth = n, this.texture = new Mc(null, e, t, n), this.texture.isRenderTargetTexture = !0;
}
}
class If extends Zt {
constructor(e = null, t = 1, n = 1, i = 1) {
super(null), this.isData3DTexture = !0, this.image = { data: e, width: t, height: n, depth: i }, this.magFilter = sn, this.minFilter = sn, this.wrapR = Ci, this.generateMipmaps = !1, this.flipY = !1, this.unpackAlignment = 1;
}
}
class f1 extends Yi {
constructor(e = 1, t = 1, n = 1, i = {}) {
super(e, t, i), this.isWebGL3DRenderTarget = !0, this.depth = n, this.texture = new If(null, e, t, n), this.texture.isRenderTargetTexture = !0;
}
}
class Zn {
constructor(e = 0, t = 0, n = 0, i = 1) {
this.isQuaternion = !0, this._x = e, this._y = t, this._z = n, this._w = i;
}
static slerpFlat(e, t, n, i, r, o, a) {
let c = n[i + 0], l = n[i + 1], u = n[i + 2], h = n[i + 3];
const d = r[o + 0], p = r[o + 1], f = r[o + 2], x = r[o + 3];
if (a === 0) {
e[t + 0] = c, e[t + 1] = l, e[t + 2] = u, e[t + 3] = h;
return;
}
if (a === 1) {
e[t + 0] = d, e[t + 1] = p, e[t + 2] = f, e[t + 3] = x;
return;
}
if (h !== x || c !== d || l !== p || u !== f) {
let m = 1 - a;
const g = c * d + l * p + u * f + h * x, y = g >= 0 ? 1 : -1, _ = 1 - g * g;
if (_ > Number.EPSILON) {
const I = Math.sqrt(_), T = Math.atan2(I, g * y);
m = Math.sin(m * T) / I, a = Math.sin(a * T) / I;
}
const v = a * y;
if (c = c * m + d * v, l = l * m + p * v, u = u * m + f * v, h = h * m + x * v, m === 1 - a) {
const I = 1 / Math.sqrt(c * c + l * l + u * u + h * h);
c *= I, l *= I, u *= I, h *= I;
}
}
e[t] = c, e[t + 1] = l, e[t + 2] = u, e[t + 3] = h;
}
static multiplyQuaternionsFlat(e, t, n, i, r, o) {
const a = n[i], c = n[i + 1], l = n[i + 2], u = n[i + 3], h = r[o], d = r[o + 1], p = r[o + 2], f = r[o + 3];
return e[t] = a * f + u * h + c * p - l * d, e[t + 1] = c * f + u * d + l * h - a * p, e[t + 2] = l * f + u * p + a * d - c * h, e[t + 3] = u * f - a * h - c * d - l * p, e;
}
get x() {
return this._x;
}
set x(e) {
this._x = e, this._onChangeCallback();
}
get y() {
return this._y;
}
set y(e) {
this._y = e, this._onChangeCallback();
}
get z() {
return this._z;
}
set z(e) {
this._z = e, this._onChangeCallback();
}
get w() {
return this._w;
}
set w(e) {
this._w = e, this._onChangeCallback();
}
set(e, t, n, i) {
return this._x = e, this._y = t, this._z = n, this._w = i, this._onChangeCallback(), this;
}
clone() {
return new this.constructor(this._x, this._y, this._z, this._w);
}
copy(e) {
return this._x = e.x, this._y = e.y, this._z = e.z, this._w = e.w, this._onChangeCallback(), this;
}
setFromEuler(e, t = !0) {
const n = e._x, i = e._y, r = e._z, o = e._order, a = Math.cos, c = Math.sin, l = a(n / 2), u = a(i / 2), h = a(r / 2), d = c(n / 2), p = c(i / 2), f = c(r / 2);
switch (o) {
case "XYZ":
this._x = d * u * h + l * p * f, this._y = l * p * h - d * u * f, this._z = l * u * f + d * p * h, this._w = l * u * h - d * p * f;
break;
case "YXZ":
this._x = d * u * h + l * p * f, this._y = l * p * h - d * u * f, this._z = l * u * f - d * p * h, this._w = l * u * h + d * p * f;
break;
case "ZXY":
this._x = d * u * h - l * p * f, this._y = l * p * h + d * u * f, this._z = l * u * f + d * p * h, this._w = l * u * h - d * p * f;
break;
case "ZYX":
this._x = d * u * h - l * p * f, this._y = l * p * h + d * u * f, this._z = l * u * f - d * p * h, this._w = l * u * h + d * p * f;
break;
case "YZX":
this._x = d * u * h + l * p * f, this._y = l * p * h + d * u * f, this._z = l * u * f - d * p * h, this._w = l * u * h - d * p * f;
break;
case "XZY":
this._x = d * u * h - l * p * f, this._y = l * p * h - d * u * f, this._z = l * u * f + d * p * h, this._w = l * u * h + d * p * f;
break;
default:
console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: " + o);
}
return t === !0 && this._onChangeCallback(), this;
}
setFromAxisAngle(e, t) {
const n = t / 2, i = Math.sin(n);
return this._x = e.x * i, this._y = e.y * i, this._z = e.z * i, this._w = Math.cos(n), this._onChangeCallback(), this;
}
setFromRotationMatrix(e) {
const t = e.elements, n = t[0], i = t[4], r = t[8], o = t[1], a = t[5], c = t[9], l = t[2], u = t[6], h = t[10], d = n + a + h;
if (d > 0) {
const p = 0.5 / Math.sqrt(d + 1);
this._w = 0.25 / p, this._x = (u - c) * p, this._y = (r - l) * p, this._z = (o - i) * p;
} else if (n > a && n > h) {
const p = 2 * Math.sqrt(1 + n - a - h);
this._w = (u - c) / p, this._x = 0.25 * p, this._y = (i + o) / p, this._z = (r + l) / p;
} else if (a > h) {
const p = 2 * Math.sqrt(1 + a - n - h);
this._w = (r - l) / p, this._x = (i + o) / p, this._y = 0.25 * p, this._z = (c + u) / p;
} else {
const p = 2 * Math.sqrt(1 + h - n - a);
this._w = (o - i) / p, this._x = (r + l) / p, this._y = (c + u) / p, this._z = 0.25 * p;
}
return this._onChangeCallback(), this;
}
setFromUnitVectors(e, t) {
let n = e.dot(t) + 1;
return n < Number.EPSILON ? (n = 0, Math.abs(e.x) > Math.abs(e.z) ? (this._x = -e.y, this._y = e.x, this._z = 0, this._w = n) : (this._x = 0, this._y = -e.z, this._z = e.y, this._w = n)) : (this._x = e.y * t.z - e.z * t.y, this._y = e.z * t.x - e.x * t.z, this._z = e.x * t.y - e.y * t.x, this._w = n), this.normalize();
}
angleTo(e) {
return 2 * Math.acos(Math.abs(jt(this.dot(e), -1, 1)));
}
rotateTowards(e, t) {
const n = this.angleTo(e);
if (n === 0) return this;
const i = Math.min(1, t / n);
return this.slerp(e, i), this;
}
identity() {
return this.set(0, 0, 0, 1);
}
invert() {
return this.conjugate();
}
conjugate() {
return this._x *= -1, this._y *= -1, this._z *= -1, this._onChangeCallback(), this;
}
dot(e) {
return this._x * e._x + this._y * e._y + this._z * e._z + this._w * e._w;
}
lengthSq() {
return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
}
length() {
return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w);
}
normalize() {
let e = this.length();
return e === 0 ? (this._x = 0, this._y = 0, this._z = 0, this._w = 1) : (e = 1 / e, this._x = this._x * e, this._y = this._y * e, this._z = this._z * e, this._w = this._w * e), this._onChangeCallback(), this;
}
multiply(e) {
return this.multiplyQuaternions(this, e);
}
premultiply(e) {
return this.multiplyQuaternions(e, this);
}
multiplyQuaternions(e, t) {
const n = e._x, i = e._y, r = e._z, o = e._w, a = t._x, c = t._y, l = t._z, u = t._w;
return this._x = n * u + o * a + i * l - r * c, this._y = i * u + o * c + r * a - n * l, this._z = r * u + o * l + n * c - i * a, this._w = o * u - n * a - i * c - r * l, this._onChangeCallback(), this;
}
slerp(e, t) {
if (t === 0) return this;
if (t === 1) return this.copy(e);
const n = this._x, i = this._y, r = this._z, o = this._w;
let a = o * e._w + n * e._x + i * e._y + r * e._z;
if (a < 0 ? (this._w = -e._w, this._x = -e._x, this._y = -e._y, this._z = -e._z, a = -a) : this.copy(e), a >= 1)
return this._w = o, this._x = n, this._y = i, this._z = r, this;
const c = 1 - a * a;
if (c <= Number.EPSILON) {
const p = 1 - t;
return this._w = p * o + t * this._w, this._x = p * n + t * this._x, this._y = p * i + t * this._y, this._z = p * r + t * this._z, this.normalize(), this;
}
const l = Math.sqrt(c), u = Math.atan2(l, a), h = Math.sin((1 - t) * u) / l, d = Math.sin(t * u) / l;
return this._w = o * h + this._w * d, this._x = n * h + this._x * d, this._y = i * h + this._y * d, this._z = r * h + this._z * d, this._onChangeCallback(), this;
}
slerpQuaternions(e, t, n) {
return this.copy(e).slerp(t, n);
}
random() {
const e = 2 * Math.PI * Math.random(), t = 2 * Math.PI * Math.random(), n = Math.random(), i = Math.sqrt(1 - n), r = Math.sqrt(n);
return this.set(
i * Math.sin(e),
i * Math.cos(e),
r * Math.sin(t),
r * Math.cos(t)
);
}
equals(e) {
return e._x === this._x && e._y === this._y && e._z === this._z && e._w === this._w;
}
fromArray(e, t = 0) {
return this._x = e[t], this._y = e[t + 1], this._z = e[t + 2], this._w = e[t + 3], this._onChangeCallback(), this;
}
toArray(e = [], t = 0) {
return e[t] = this._x, e[t + 1] = this._y, e[t + 2] = this._z, e[t + 3] = this._w, e;
}
fromBufferAttribute(e, t) {
return this._x = e.getX(t), this._y = e.getY(t), this._z = e.getZ(t), this._w = e.getW(t), this._onChangeCallback(), this;
}
toJSON() {
return this.toArray();
}
_onChange(e) {
return this._onChangeCallback = e, this;
}
_onChangeCallback() {
}
*[Symbol.iterator]() {
yield this._x, yield this._y, yield this._z, yield this._w;
}
}
class E {
constructor(e = 0, t = 0, n = 0) {
E.prototype.isVector3 = !0, this.x = e, this.y = t, this.z = n;
}
set(e, t, n) {
return n === void 0 && (n = this.z), this.x = e, this.y = t, this.z = n, this;
}
setScalar(e) {
return this.x = e, this.y = e, this.z = e, this;
}
setX(e) {
return this.x = e, this;
}
setY(e) {
return this.y = e, this;
}
setZ(e) {
return this.z = e, this;
}
setComponent(e, t) {
switch (e) {
case 0:
this.x = t;
break;
case 1:
this.y = t;
break;
case 2:
this.z = t;
break;
default:
throw new Error("index is out of range: " + e);
}
return this;
}
getComponent(e) {
switch (e) {
case 0:
return this.x;
case 1:
return this.y;
case 2: