31 151, 160, 137, 91, 90, 15, 131, 13, 201, 95, 96, 53, 194, 233, 7, 225,
32 140, 36, 103, 30, 69, 142, 8, 99, 37, 240, 21, 10, 23, 190, 6, 148,
33 247, 120, 234, 75, 0, 26, 197, 62, 94, 252, 219, 203, 117, 35, 11, 32,
34 57, 177, 33, 88, 237, 149, 56, 87, 174, 20, 125, 136, 171, 168, 68, 175,
35 74, 165, 71, 134, 139, 48, 27, 166, 77, 146, 158, 231, 83, 111, 229, 122,
36 60, 211, 133, 230, 220, 105, 92, 41, 55, 46, 245, 40, 244, 102, 143, 54,
37 65, 25, 63, 161, 1, 216, 80, 73, 209, 76, 132, 187, 208, 89, 18, 169,
38 200, 196, 135, 130, 116, 188, 159, 86, 164, 100, 109, 198, 173, 186, 3, 64,
39 52, 217, 226, 250, 124, 123, 5, 202, 38, 147, 118, 126, 255, 82, 85, 212,
40 207, 206, 59, 227, 47, 16, 58, 17, 182, 189, 28, 42, 223, 183, 170, 213,
41 119, 248, 152, 2, 44, 154, 163, 70, 221, 153, 101, 155, 167, 43, 172, 9,
42 129, 22, 39, 253, 19, 98, 108, 110, 79, 113, 224, 232, 178, 185, 112, 104,
43 218, 246, 97, 228, 251, 34, 242, 193, 238, 210, 144, 12, 191, 179, 162, 241,
44 81, 51, 145, 235, 249, 14, 239, 107, 49, 192, 214, 31, 181, 199, 106, 157,
45 184, 84, 204, 176, 115, 121, 50, 45, 127, 4, 150, 254, 138, 236, 205, 93,
46 222, 114, 67, 29, 24, 72, 243, 141, 128, 195, 78, 66, 215, 61, 156, 180,
363 uint8_t X = (
x >> 16) & 0xFF;
364 uint8_t Y = (
y >> 16) & 0xFF;
365 uint8_t Z = (
z >> 16) & 0xFF;
366 uint8_t T = (t >> 16) & 0xFF;
369 uint16_t u =
x & 0xFFFF;
370 uint16_t v =
y & 0xFFFF;
371 uint16_t w =
z & 0xFFFF;
372 uint16_t s = t & 0xFFFF;
380 uint16_t N = 0x8000L;
383 int16_t xx = (u >> 1) & 0x7FFF;
384 int16_t yy = (v >> 1) & 0x7FFF;
385 int16_t zz = (w >> 1) & 0x7FFF;
388 uint8_t A =
P(X) + Y;
389 uint8_t AA =
P(A) + Z;
390 uint8_t AB =
P(A + 1) + Z;
391 uint8_t B =
P(X + 1) + Y;
392 uint8_t BA =
P(B) + Z;
393 uint8_t BB =
P(B + 1) + Z;
396 uint8_t AAA =
P(AA) + T;
397 uint8_t AAB =
P(AA + 1) + T;
398 uint8_t ABA =
P(AB) + T;
399 uint8_t ABB =
P(AB + 1) + T;
400 uint8_t BAA =
P(BA) + T;
401 uint8_t BAB =
P(BA + 1) + T;
402 uint8_t BBA =
P(BB) + T;
403 uint8_t BBB =
P(BB + 1) + T;
405 int16_t L1 = LERP(
grad16(AAA, xx, yy, zz),
grad16(BAA, xx - N, yy, zz), u);
406 int16_t L2 = LERP(
grad16(ABA, xx, yy - N, zz),
grad16(BBA, xx - N, yy - N, zz), u);
407 int16_t L3 = LERP(
grad16(AAB, xx, yy, zz - N),
grad16(BAB, xx - N, yy, zz - N), u);
408 int16_t L4 = LERP(
grad16(ABB, xx, yy - N, zz - N),
grad16(BBB, xx - N, yy - N, zz - N), u);
410 int16_t Y1 = LERP(L1, L2, v);
411 int16_t Y2 = LERP(L3, L4, v);
412 int16_t noise_lower = LERP(Y1, Y2, w);
415 uint8_t Tupper = T + 1;
416 uint8_t AAA_u =
P(AA) + Tupper;
417 uint8_t AAB_u =
P(AA + 1) + Tupper;
418 uint8_t ABA_u =
P(AB) + Tupper;
419 uint8_t ABB_u =
P(AB + 1) + Tupper;
420 uint8_t BAA_u =
P(BA) + Tupper;
421 uint8_t BAB_u =
P(BA + 1) + Tupper;
422 uint8_t BBA_u =
P(BB) + Tupper;
423 uint8_t BBB_u =
P(BB + 1) + Tupper;
425 int16_t U1 = LERP(
grad16(AAA_u, xx, yy, zz),
grad16(BAA_u, xx - N, yy, zz), u);
426 int16_t U2 = LERP(
grad16(ABA_u, xx, yy - N, zz),
grad16(BBA_u, xx - N, yy - N, zz), u);
427 int16_t U3 = LERP(
grad16(AAB_u, xx, yy, zz - N),
grad16(BAB_u, xx - N, yy, zz - N), u);
428 int16_t U4 = LERP(
grad16(ABB_u, xx, yy - N, zz - N),
grad16(BBB_u, xx - N, yy - N, zz - N), u);
430 int16_t V1 = LERP(U1, U2, v);
431 int16_t V2 = LERP(U3, U4, v);
432 int16_t noise_upper = LERP(V1, V2, w);
435 int16_t noise4d = LERP(noise_lower, noise_upper, s);