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Arsen Mirzaev Tatyano-Muradovich 2024-12-14 23:55:24 +07:00
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var commonjsGlobal = typeof globalThis !== "undefined" ? globalThis : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : {};
function createCommonjsModule(fn, basedir, module) {
return module = {
path: basedir,
exports: {},
require: function(path, base) {
return commonjsRequire(path, base === void 0 || base === null ? module.path : base);
}
}, fn(module, module.exports), module.exports;
}
function commonjsRequire() {
throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs");
}
var perlin = createCommonjsModule(function(module, exports) {
(function(root, factory) {
{
module.exports = factory();
}
})(commonjsGlobal, function() {
var Perlin = {};
function Grad(x, y, z) {
this.x = x;
this.y = y;
this.z = z;
}
Grad.prototype.dot2 = function(x, y) {
return this.x * x + this.y * y;
};
Grad.prototype.dot3 = function(x, y, z) {
return this.x * x + this.y * y + this.z * z;
};
var grad3 = [
new Grad(1, 1, 0),
new Grad(-1, 1, 0),
new Grad(1, -1, 0),
new Grad(-1, -1, 0),
new Grad(1, 0, 1),
new Grad(-1, 0, 1),
new Grad(1, 0, -1),
new Grad(-1, 0, -1),
new Grad(0, 1, 1),
new Grad(0, -1, 1),
new Grad(0, 1, -1),
new Grad(0, -1, -1)
];
var p = [
151,
160,
137,
91,
90,
15,
131,
13,
201,
95,
96,
53,
194,
233,
7,
225,
140,
36,
103,
30,
69,
142,
8,
99,
37,
240,
21,
10,
23,
190,
6,
148,
247,
120,
234,
75,
0,
26,
197,
62,
94,
252,
219,
203,
117,
35,
11,
32,
57,
177,
33,
88,
237,
149,
56,
87,
174,
20,
125,
136,
171,
168,
68,
175,
74,
165,
71,
134,
139,
48,
27,
166,
77,
146,
158,
231,
83,
111,
229,
122,
60,
211,
133,
230,
220,
105,
92,
41,
55,
46,
245,
40,
244,
102,
143,
54,
65,
25,
63,
161,
1,
216,
80,
73,
209,
76,
132,
187,
208,
89,
18,
169,
200,
196,
135,
130,
116,
188,
159,
86,
164,
100,
109,
198,
173,
186,
3,
64,
52,
217,
226,
250,
124,
123,
5,
202,
38,
147,
118,
126,
255,
82,
85,
212,
207,
206,
59,
227,
47,
16,
58,
17,
182,
189,
28,
42,
223,
183,
170,
213,
119,
248,
152,
2,
44,
154,
163,
70,
221,
153,
101,
155,
167,
43,
172,
9,
129,
22,
39,
253,
19,
98,
108,
110,
79,
113,
224,
232,
178,
185,
112,
104,
218,
246,
97,
228,
251,
34,
242,
193,
238,
210,
144,
12,
191,
179,
162,
241,
81,
51,
145,
235,
249,
14,
239,
107,
49,
192,
214,
31,
181,
199,
106,
157,
184,
84,
204,
176,
115,
121,
50,
45,
127,
4,
150,
254,
138,
236,
205,
93,
222,
114,
67,
29,
24,
72,
243,
141,
128,
195,
78,
66,
215,
61,
156,
180
];
var perm = new Array(512);
var gradP = new Array(512);
Perlin.seed = function(seed2) {
if (seed2 > 0 && seed2 < 1) {
seed2 *= 65536;
}
seed2 = Math.floor(seed2);
if (seed2 < 256) {
seed2 |= seed2 << 8;
}
for (var i = 0; i < 256; i++) {
var v;
if (i & 1) {
v = p[i] ^ seed2 & 255;
} else {
v = p[i] ^ seed2 >> 8 & 255;
}
perm[i] = perm[i + 256] = v;
gradP[i] = gradP[i + 256] = grad3[v % 12];
}
};
Perlin.seed(0);
var F2 = 0.5 * (Math.sqrt(3) - 1);
var G2 = (3 - Math.sqrt(3)) / 6;
var F3 = 1 / 3;
var G3 = 1 / 6;
Perlin.simplex2 = function(xin, yin) {
var n0, n1, n2;
var s = (xin + yin) * F2;
var i = Math.floor(xin + s);
var j = Math.floor(yin + s);
var t = (i + j) * G2;
var x0 = xin - i + t;
var y0 = yin - j + t;
var i1, j1;
if (x0 > y0) {
i1 = 1;
j1 = 0;
} else {
i1 = 0;
j1 = 1;
}
var x1 = x0 - i1 + G2;
var y1 = y0 - j1 + G2;
var x2 = x0 - 1 + 2 * G2;
var y2 = y0 - 1 + 2 * G2;
i &= 255;
j &= 255;
var gi0 = gradP[i + perm[j]];
var gi1 = gradP[i + i1 + perm[j + j1]];
var gi2 = gradP[i + 1 + perm[j + 1]];
var t0 = 0.5 - x0 * x0 - y0 * y0;
if (t0 < 0) {
n0 = 0;
} else {
t0 *= t0;
n0 = t0 * t0 * gi0.dot2(x0, y0);
}
var t1 = 0.5 - x1 * x1 - y1 * y1;
if (t1 < 0) {
n1 = 0;
} else {
t1 *= t1;
n1 = t1 * t1 * gi1.dot2(x1, y1);
}
var t2 = 0.5 - x2 * x2 - y2 * y2;
if (t2 < 0) {
n2 = 0;
} else {
t2 *= t2;
n2 = t2 * t2 * gi2.dot2(x2, y2);
}
return 70 * (n0 + n1 + n2);
};
Perlin.simplex3 = function(xin, yin, zin) {
var n0, n1, n2, n3;
var s = (xin + yin + zin) * F3;
var i = Math.floor(xin + s);
var j = Math.floor(yin + s);
var k = Math.floor(zin + s);
var t = (i + j + k) * G3;
var x0 = xin - i + t;
var y0 = yin - j + t;
var z0 = zin - k + t;
var i1, j1, k1;
var i2, j2, k2;
if (x0 >= y0) {
if (y0 >= z0) {
i1 = 1;
j1 = 0;
k1 = 0;
i2 = 1;
j2 = 1;
k2 = 0;
} else if (x0 >= z0) {
i1 = 1;
j1 = 0;
k1 = 0;
i2 = 1;
j2 = 0;
k2 = 1;
} else {
i1 = 0;
j1 = 0;
k1 = 1;
i2 = 1;
j2 = 0;
k2 = 1;
}
} else {
if (y0 < z0) {
i1 = 0;
j1 = 0;
k1 = 1;
i2 = 0;
j2 = 1;
k2 = 1;
} else if (x0 < z0) {
i1 = 0;
j1 = 1;
k1 = 0;
i2 = 0;
j2 = 1;
k2 = 1;
} else {
i1 = 0;
j1 = 1;
k1 = 0;
i2 = 1;
j2 = 1;
k2 = 0;
}
}
var x1 = x0 - i1 + G3;
var y1 = y0 - j1 + G3;
var z1 = z0 - k1 + G3;
var x2 = x0 - i2 + 2 * G3;
var y2 = y0 - j2 + 2 * G3;
var z2 = z0 - k2 + 2 * G3;
var x3 = x0 - 1 + 3 * G3;
var y3 = y0 - 1 + 3 * G3;
var z3 = z0 - 1 + 3 * G3;
i &= 255;
j &= 255;
k &= 255;
var gi0 = gradP[i + perm[j + perm[k]]];
var gi1 = gradP[i + i1 + perm[j + j1 + perm[k + k1]]];
var gi2 = gradP[i + i2 + perm[j + j2 + perm[k + k2]]];
var gi3 = gradP[i + 1 + perm[j + 1 + perm[k + 1]]];
var t0 = 0.6 - x0 * x0 - y0 * y0 - z0 * z0;
if (t0 < 0) {
n0 = 0;
} else {
t0 *= t0;
n0 = t0 * t0 * gi0.dot3(x0, y0, z0);
}
var t1 = 0.6 - x1 * x1 - y1 * y1 - z1 * z1;
if (t1 < 0) {
n1 = 0;
} else {
t1 *= t1;
n1 = t1 * t1 * gi1.dot3(x1, y1, z1);
}
var t2 = 0.6 - x2 * x2 - y2 * y2 - z2 * z2;
if (t2 < 0) {
n2 = 0;
} else {
t2 *= t2;
n2 = t2 * t2 * gi2.dot3(x2, y2, z2);
}
var t3 = 0.6 - x3 * x3 - y3 * y3 - z3 * z3;
if (t3 < 0) {
n3 = 0;
} else {
t3 *= t3;
n3 = t3 * t3 * gi3.dot3(x3, y3, z3);
}
return 32 * (n0 + n1 + n2 + n3);
};
function fade(t) {
return t * t * t * (t * (t * 6 - 15) + 10);
}
function lerp(a, b, t) {
return (1 - t) * a + t * b;
}
Perlin.perlin2 = function(x, y) {
var X = Math.floor(x), Y = Math.floor(y);
x = x - X;
y = y - Y;
X = X & 255;
Y = Y & 255;
var n00 = gradP[X + perm[Y]].dot2(x, y);
var n01 = gradP[X + perm[Y + 1]].dot2(x, y - 1);
var n10 = gradP[X + 1 + perm[Y]].dot2(x - 1, y);
var n11 = gradP[X + 1 + perm[Y + 1]].dot2(x - 1, y - 1);
var u = fade(x);
return lerp(lerp(n00, n10, u), lerp(n01, n11, u), fade(y));
};
Perlin.perlin3 = function(x, y, z) {
var X = Math.floor(x), Y = Math.floor(y), Z = Math.floor(z);
x = x - X;
y = y - Y;
z = z - Z;
X = X & 255;
Y = Y & 255;
Z = Z & 255;
var n000 = gradP[X + perm[Y + perm[Z]]].dot3(x, y, z);
var n001 = gradP[X + perm[Y + perm[Z + 1]]].dot3(x, y, z - 1);
var n010 = gradP[X + perm[Y + 1 + perm[Z]]].dot3(x, y - 1, z);
var n011 = gradP[X + perm[Y + 1 + perm[Z + 1]]].dot3(x, y - 1, z - 1);
var n100 = gradP[X + 1 + perm[Y + perm[Z]]].dot3(x - 1, y, z);
var n101 = gradP[X + 1 + perm[Y + perm[Z + 1]]].dot3(x - 1, y, z - 1);
var n110 = gradP[X + 1 + perm[Y + 1 + perm[Z]]].dot3(x - 1, y - 1, z);
var n111 = gradP[X + 1 + perm[Y + 1 + perm[Z + 1]]].dot3(x - 1, y - 1, z - 1);
var u = fade(x);
var v = fade(y);
var w = fade(z);
return lerp(lerp(lerp(n000, n100, u), lerp(n001, n101, u), w), lerp(lerp(n010, n110, u), lerp(n011, n111, u), w), v);
};
return Perlin;
});
});
export default perlin;
var perlin2 = perlin.perlin2;
var perlin3 = perlin.perlin3;
var seed = perlin.seed;
var simplex2 = perlin.simplex2;
var simplex3 = perlin.simplex3;
export {perlin as __moduleExports, perlin2, perlin3, seed, simplex2, simplex3};