function UUID_generate(length = 32) { #region randomize(); static str = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; static month = "JFRAMJYASOND" var _id = ""; _id += string_char_at(str, current_year % string_length(str) + 1); //1 _id += string_char_at(month, current_month); //1 _id += string_char_at(str, current_day); //1 _id += string_char_at(str, current_hour); //1 _id += string_char_at(str, current_minute); //1 _id += string_char_at(str, current_second); //1 _id += string_lead_zero(current_time, 6); //6 repeat(length - string_length(_id)) _id += string_char_at(str, irandom_range(1, string_length(str))); return _id; } #endregion function irandom_seed(val, seed) { #region random_set_seed(floor(seed)); return irandom(val); } #endregion function irandom_range_seed(from, to, seed) { #region random_set_seed(floor(seed)); return irandom_range(from, to); } #endregion function seed_random(digits = 6) { #region return irandom_range(power(10, digits - 1), power(10, digits) - 1); } #endregion function random_seed(val, seed) { #region random_set_seed(floor(seed)); var _s0 = random(val); random_set_seed(floor(seed) + 1); var _s1 = random(val); return lerp(_s0, _s1, frac(seed)); } #endregion function random_range_seed(from, to, seed) { #region random_set_seed(floor(seed)); var _s0 = random_range(from, to); random_set_seed(floor(seed) + 1); var _s1 = random_range(from, to); return lerp(_s0, _s1, frac(seed)); } #endregion function random1D(seed, startRange = 0, endRange = 1) { #region if(startRange == endRange) return startRange; var _f = frac(seed); if(_f == 0) { random_set_seed(PROJECT.seed + seed); return random_range(startRange, endRange); } random_set_seed(PROJECT.seed + floor(seed)); var f1 = random_range(startRange, endRange); random_set_seed(PROJECT.seed + floor(seed) + 1); var f2 = random_range(startRange, endRange); return lerp(f1, f2, _f); } #endregion function __noise(_x) { #region var i = floor(_x); var f = frac(_x); var a = random1D(i); var b = random1D(i + 1); var u = f * f * (3.0 - 2.0 * f); return lerp(a, b, u); } #endregion function perlin1D(pos, seed, scale = 1, octave = 1, startRange = 0, endRange = 1) { #region var amp = power(2., octave - 1.) / (power(2., octave) - 1.); var n = 0.; repeat(octave) { n += __noise(seed + pos * scale) * amp; amp *= .5; pos *= 2.; } return lerp(startRange, endRange, n); } #endregion function wiggle(_min = 0, _max = 1, _freq = 1, _time = 0, _seed = 0, _octave = 1) { #region return perlin1D(_time, _seed, _freq, _octave, _min, _max); } #endregion function getWiggle(_min = 0, _max = 1, _freq = 1, _time = 0, _seed = 0, startTime = noone, endTime = noone) { #region _freq = max(1, _freq); var sdMin = floor(_time / _freq) * _freq; var sdMax = sdMin + _freq; if(endTime) //Clip at ending sdMax = min(endTime, sdMax); var _x0 = (startTime != noone && sdMin <= startTime)? 0.5 : random1D(PROJECT.seed + _seed + sdMin); var _x1 = (endTime != noone && sdMax >= endTime)? 0.5 : random1D(PROJECT.seed + _seed + sdMax); var t = (_time - sdMin) / (sdMax - sdMin); t = -(cos(pi * t) - 1) / 2; var _lrp = lerp(_x0, _x1, t); return lerp(_min, _max, _lrp); } #endregion function wiggleMap(_seed, _freq, _length) constructor { #region seed = _seed; freq = _freq; len = _length; amp = 1; map = array_create(_length); shf = 0; static generate = function() { INLINE for(var i = 0; i < len; i++) map[i] = wiggle(-1, 1, freq, i + shf, seed); } static check = function(_amp, _freq, _seed, _shf = 0) { INLINE amp = _amp; if(seed == _seed && freq == _freq && shf == _shf) return; seed = _seed; freq = _freq; shf = _shf; generate(); return self; } static get = function(i) { INLINE if(amp == 0) return 0; return map[abs(i) % len] * amp; } } #endregion