//Splendida 256 Spiral with random palletes
//fastled fibonacci 256 leds demo
//Yaroslaw Turbin 28-06-2022
//https://vk.com/ldirko
//https://www.reddit.com/user/ldirko/
//https://twitter.com/ldir_ko
#include <FastLED.h>
#define DATA_PIN 3 //set your leds datapin change to 32 for m5 atom lite
#define LED_TYPE WS2812B //leds type
#define COLOR_ORDER GRB //color order of leds
#define MAX_POWER_MILLIAMPS 700 //write here your power in milliamps. default i set 800 mA for safet
#define NUM_COLS_CILINDR 16 // resolution of cilindrical lookup table
#define NUM_ROWS_CILINDR 16 // resolution of cinindrical lookup table
#define NUM_LEDS_CILINDR NUM_COLS_CILINDR*NUM_ROWS_CILINDR
#define NUM_LEDS 256
#define SECONDS_PER_PALETTE 15
byte brigtness = 255;
uint16_t lastSafeIndex = 256;
CRGBPalette16 gCurrentPalette( CRGB(5, 5, 5));
CRGBPalette16 gTargetPalette;
CRGB leds [NUM_LEDS+1];
void setup() {
next_Random_Pallete (CRGB(8, 110, 36));
FastLED.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS);
//uncomment this before upload sketch
// .setCorrection( TypicalLEDStrip );
// FastLED.setMaxPowerInVoltsAndMilliamps( 5, MAX_POWER_MILLIAMPS);
FastLED.setBrightness(brigtness);
FastLED.clear();
}
const uint32_t indexcolors[] = {
0x000000, 0xFFFF00, 0x1CE6FF, 0xFF34FF, 0xFF4A46, 0x008941, 0x006FA6, 0xA30059,
0xFFDBE5, 0x7A4900, 0x0000A6, 0x63FFAC, 0xB79762, 0x004D43, 0x8FB0FF, 0x997D87,
0x5A0007, 0x809693, 0xFEFFE6, 0x1B4400, 0x4FC601, 0x3B5DFF, 0x4A3B53, 0xFF2F80,
0x61615A, 0xBA0900, 0x6B7900, 0x00C2A0, 0xFFAA92, 0xFF90C9, 0xB903AA, 0xD16100,
0xDDEFFF, 0x000035, 0x7B4F4B, 0xA1C299, 0x300018, 0x0AA6D8, 0x013349, 0x00846F,
0x372101, 0xFFB500, 0xC2FFED, 0xA079BF, 0xCC0744, 0xC0B9B2, 0xC2FF99, 0x001E09,
0x00489C, 0x6F0062, 0x0CBD66, 0xEEC3FF, 0x456D75, 0xB77B68, 0x7A87A1, 0x788D66,
0x885578, 0xFAD09F, 0xFF8A9A, 0xD157A0, 0xBEC459, 0x456648, 0x0086ED, 0x886F4C,
0x34362D, 0xB4A8BD, 0x00A6AA, 0x452C2C, 0x636375, 0xA3C8C9, 0xFF913F, 0x938A81,
0x575329, 0x00FECF, 0xB05B6F, 0x8CD0FF, 0x3B9700, 0x04F757, 0xC8A1A1, 0x1E6E00,
0x7900D7, 0xA77500, 0x6367A9, 0xA05837, 0x6B002C, 0x772600, 0xD790FF, 0x9B9700,
0x549E79, 0xFFF69F, 0x201625, 0x72418F, 0xBC23FF, 0x99ADC0, 0x3A2465, 0x922329,
0x5B4534, 0xFDE8DC, 0x404E55, 0x0089A3, 0xCB7E98, 0xA4E804, 0x324E72, 0x6A3A4C,
0x83AB58, 0x001C1E, 0xD1F7CE, 0x004B28, 0xC8D0F6, 0xA3A489, 0x806C66, 0x222800,
0xBF5650, 0xE83000, 0x66796D, 0xDA007C, 0xFF1A59, 0x8ADBB4, 0x1E0200, 0x5B4E51,
0xC895C5, 0x320033, 0xFF6832, 0x66E1D3, 0xCFCDAC, 0xD0AC94, 0x7ED379, 0x012C58,
0x7A7BFF, 0xD68E01, 0x353339, 0x78AFA1, 0xFEB2C6, 0x75797C, 0x837393, 0x943A4D,
0xB5F4FF, 0xD2DCD5, 0x9556BD, 0x6A714A, 0x001325, 0x02525F, 0x0AA3F7, 0xE98176,
0xDBD5DD, 0x5EBCD1, 0x3D4F44, 0x7E6405, 0x02684E, 0x962B75, 0x8D8546, 0x9695C5,
0xE773CE, 0xD86A78, 0x3E89BE, 0xCA834E, 0x518A87, 0x5B113C, 0x55813B, 0xE704C4,
0x00005F, 0xA97399, 0x4B8160, 0x59738A, 0xFF5DA7, 0xF7C9BF, 0x643127, 0x513A01,
0x6B94AA, 0x51A058, 0xA45B02, 0x1D1702, 0xE20027, 0xE7AB63, 0x4C6001, 0x9C6966,
0x64547B, 0x97979E, 0x006A66, 0x391406, 0xF4D749, 0x0045D2, 0x006C31, 0xDDB6D0,
0x7C6571, 0x9FB2A4, 0x00D891, 0x15A08A, 0xBC65E9, 0xFFFFFE, 0xC6DC99, 0x203B3C,
0x671190, 0x6B3A64, 0xF5E1FF, 0xFFA0F2, 0xCCAA35, 0x374527, 0x8BB400, 0x797868,
0xC6005A, 0x3B000A, 0xC86240, 0x29607C, 0x402334, 0x7D5A44, 0xCCB87C, 0xB88183,
0xAA5199, 0xB5D6C3, 0xA38469, 0x9F94F0, 0xA74571, 0xB894A6, 0x71BB8C, 0x00B433,
0x789EC9, 0x6D80BA, 0x953F00, 0x5EFF03, 0xE4FFFC, 0x1BE177, 0xBCB1E5, 0x76912F,
0x003109, 0x0060CD, 0xD20096, 0x895563, 0x29201D, 0x5B3213, 0xA76F42, 0x89412E,
0x1A3A2A, 0x494B5A, 0xA88C85, 0xF4ABAA, 0xA3F3AB, 0x00C6C8, 0xEA8B66, 0x958A9F,
0xBDC9D2, 0x9FA064, 0xBE4700, 0x658188, 0x83A485, 0x453C23, 0x47675D, 0x3A3F00,
0x061203, 0xDFFB71, 0x868E7E, 0x98D058, 0x6C8F7D, 0xD7BFC2, 0x3C3E6E, 0xD83D66,
0x2F5D9B, 0x6C5E46, 0xD25B88, 0x5B656C, 0x00B57F, 0x545C46, 0x866097, 0x365D25,
0x252F99, 0x00CCFF, 0x674E60, 0xFC009C, 0x92896B, 0x1E2324, 0xDEC9B2, 0x9D4948,
0x85ABB4, 0x342142, 0xD09685, 0xA4ACAC, 0x00FFFF, 0xAE9C86, 0x742A33, 0x0E72C5,
0xAFD8EC, 0xC064B9, 0x91028C, 0xFEEDBF, 0xFFB789, 0x9CB8E4, 0xAFFFD1, 0x2A364C,
0x4F4A43, 0x647095, 0x34BBFF, 0x807781, 0x920003, 0xB3A5A7, 0x018615, 0xF1FFC8,
0x976F5C, 0xFF3BC1, 0xFF5F6B, 0x077D84, 0xF56D93, 0x5771DA, 0x4E1E2A, 0x830055,
0x02D346, 0xBE452D, 0x00905E, 0xBE0028, 0x6E96E3, 0x007699, 0xFEC96D, 0x9C6A7D,
0x3FA1B8, 0x893DE3, 0x79B4D6, 0x7FD4D9, 0x6751BB, 0xB28D2D, 0xE27A05, 0xDD9CB8,
0xAABC7A, 0x980034, 0x561A02, 0x8F7F00, 0x635000, 0xCD7DAE, 0x8A5E2D, 0xFFB3E1,
0x6B6466, 0xC6D300, 0x0100E2, 0x88EC69, 0x8FCCBE, 0x21001C, 0x511F4D, 0xE3F6E3,
0xFF8EB1, 0x6B4F29, 0xA37F46, 0x6A5950, 0x1F2A1A, 0x04784D, 0x101835, 0xE6E0D0,
0xFF74FE, 0x00A45F, 0x8F5DF8, 0x4B0059, 0x412F23, 0xD8939E, 0xDB9D72, 0x604143,
0xB5BACE, 0x989EB7, 0xD2C4DB, 0xA587AF, 0x77D796, 0x7F8C94, 0xFF9B03, 0x555196,
0x31DDAE, 0x74B671, 0x802647, 0x2A373F, 0x014A68, 0x696628, 0x4C7B6D, 0x002C27,
0x7A4522, 0x3B5859, 0xE5D381, 0xFFF3FF, 0x679FA0, 0x261300, 0x2C5742, 0x9131AF,
0xAF5D88, 0xC7706A, 0x61AB1F, 0x8CF2D4, 0xC5D9B8, 0x9FFFFB, 0xBF45CC, 0x493941,
0x863B60, 0xB90076, 0x003177, 0xC582D2, 0xC1B394, 0x602B70, 0x887868, 0xBABFB0,
0x030012, 0xD1ACFE, 0x7FDEFE, 0x4B5C71, 0xA3A097, 0xE66D53, 0x637B5D, 0x92BEA5,
0x00F8B3, 0xBEDDFF, 0x3DB5A7, 0xDD3248, 0xB6E4DE, 0x427745, 0x598C5A, 0xB94C59,
0x8181D5, 0x94888B, 0xFED6BD, 0x536D31, 0x6EFF92, 0xE4E8FF, 0x20E200, 0xFFD0F2,
0x4C83A1, 0xBD7322, 0x915C4E, 0x8C4787, 0x025117, 0xA2AA45, 0x2D1B21, 0xA9DDB0,
0xFF4F78, 0x528500, 0x009A2E, 0x17FCE4, 0x71555A, 0x525D82, 0x00195A, 0x967874,
0x555558, 0x0B212C, 0x1E202B, 0xEFBFC4, 0x6F9755, 0x6F7586, 0x501D1D, 0x372D00,
0x741D16, 0x5EB393, 0xB5B400, 0xDD4A38, 0x363DFF, 0xAD6552, 0x6635AF, 0x836BBA,
0x98AA7F, 0x464836, 0x322C3E, 0x7CB9BA, 0x5B6965, 0x707D3D, 0x7A001D, 0x6E4636,
0x443A38, 0xAE81FF, 0x489079, 0x897334, 0x009087, 0xDA713C, 0x361618, 0xFF6F01,
0x006679, 0x370E77, 0x4B3A83, 0xC9E2E6, 0xC44170, 0xFF4526, 0x73BE54, 0xC4DF72,
0xADFF60, 0x00447D, 0xDCCEC9, 0xBD9479, 0x656E5B, 0xEC5200, 0xFF6EC2, 0x7A617E,
0xDDAEA2, 0x77837F, 0xA53327, 0x608EFF, 0xB599D7, 0xA50149, 0x4E0025, 0xC9B1A9,
0x03919A, 0x1B2A25, 0xE500F1, 0x982E0B, 0xB67180, 0xE05859, 0x006039, 0x578F9B,
0x305230, 0xCE934C, 0xB3C2BE, 0xC0BAC0, 0xB506D3, 0x170C10, 0x4C534F, 0x224451,
0x3E4141, 0x78726D, 0xB6602B, 0x200441, 0xDDB588, 0x497200, 0xC5AAB6, 0x033C61,
0x71B2F5, 0xA9E088, 0x4979B0, 0xA2C3DF, 0x784149, 0x2D2B17, 0x3E0E2F, 0x57344C,
0x0091BE, 0xE451D1, 0x4B4B6A, 0x5C011A, 0x7C8060, 0xFF9491, 0x4C325D, 0x005C8B,
0xE5FDA4, 0x68D1B6, 0x032641, 0x140023, 0x8683A9, 0xCFFF00, 0xA72C3E, 0x34475A,
0xB1BB9A, 0xB4A04F, 0x8D918E, 0xA168A6, 0x813D3A, 0x425218, 0xDA8386, 0x776133,
0x563930, 0x8498AE, 0x90C1D3, 0xB5666B, 0x9B585E, 0x856465, 0xAD7C90, 0xE2BC00,
0xE3AAE0, 0xB2C2FE, 0xFD0039, 0x009B75, 0xFFF46D, 0xE87EAC, 0xDFE3E6, 0x848590,
0xAA9297, 0x83A193, 0x577977, 0x3E7158, 0xC64289, 0xEA0072, 0xC4A8CB, 0x55C899,
0xE78FCF, 0x004547, 0xF6E2E3, 0x966716, 0x378FDB, 0x435E6A, 0xDA0004, 0x1B000F,
0x5B9C8F, 0x6E2B52, 0x011115, 0xE3E8C4, 0xAE3B85, 0xEA1CA9, 0xFF9E6B, 0x457D8B,
0x92678B, 0x00CDBB, 0x9CCC04, 0x002E38, 0x96C57F, 0xCFF6B4, 0x492818, 0x766E52,
0x20370E, 0xE3D19F, 0x2E3C30, 0xB2EACE, 0xF3BDA4, 0xA24E3D, 0x976FD9, 0x8C9FA8,
0x7C2B73, 0x4E5F37, 0x5D5462, 0x90956F, 0x6AA776, 0xDBCBF6, 0xDA71FF, 0x987C95,
0x52323C, 0xBB3C42, 0x584D39, 0x4FC15F, 0xA2B9C1, 0x79DB21, 0x1D5958, 0xBD744E,
0x160B00, 0x20221A, 0x6B8295, 0x00E0E4, 0x102401, 0x1B782A, 0xDAA9B5, 0xB0415D,
0x859253, 0x97A094, 0x06E3C4, 0x47688C, 0x7C6755, 0x075C00, 0x7560D5, 0x7D9F00,
0xC36D96, 0x4D913E, 0x5F4276, 0xFCE4C8, 0x303052, 0x4F381B, 0xE5A532, 0x706690,
0xAA9A92, 0x237363, 0x73013E, 0xFF9079, 0xA79A74, 0x029BDB, 0xFF0169, 0xC7D2E7,
0xCA8869, 0x80FFCD, 0xBB1F69, 0x90B0AB, 0x7D74A9, 0xFCC7DB, 0x99375B, 0x00AB4D,
0xABAED1, 0xBE9D91, 0xE6E5A7, 0x332C22, 0xDD587B, 0xF5FFF7, 0x5D3033, 0x6D3800,
0xFF0020, 0xB57BB3, 0xD7FFE6, 0xC535A9, 0x260009, 0x6A8781, 0xA8ABB4, 0xD45262,
0x794B61, 0x4621B2, 0x8DA4DB, 0xC7C890, 0x6FE9AD, 0xA243A7, 0xB2B081, 0x181B00,
0x286154, 0x4CA43B, 0x6A9573, 0xA8441D, 0x5C727B, 0x738671, 0xD0CFCB, 0x897B77,
0x1F3F22, 0x4145A7, 0xDA9894, 0xA1757A, 0x63243C, 0xADAAFF, 0x00CDE2, 0xDDBC62,
0x698EB1, 0x208462, 0x00B7E0, 0x614A44, 0x9BBB57, 0x7A5C54, 0x857A50, 0x766B7E,
0x014833, 0xFF8347, 0x7A8EBA, 0x274740, 0x946444, 0xEBD8E6, 0x646241, 0x373917,
0x6AD450, 0x81817B, 0xD499E3, 0x979440, 0x011A12, 0x526554, 0xB5885C, 0xA499A5,
0x03AD89, 0xB3008B, 0xE3C4B5, 0x96531F, 0x867175, 0x74569E, 0x617D9F, 0xE70452,
0x067EAF, 0xA697B6, 0xB787A8, 0x9CFF93, 0x311D19, 0x3A9459, 0x6E746E, 0xB0C5AE,
0x84EDF7, 0xED3488, 0x754C78, 0x384644, 0xC7847B, 0x00B6C5, 0x7FA670, 0xC1AF9E,
0x2A7FFF, 0x72A58C, 0xFFC07F, 0x9DEBDD, 0xD97C8E, 0x7E7C93, 0x62E674, 0xB5639E,
0xFFA861, 0xC2A580, 0x8D9C83, 0xB70546, 0x372B2E, 0x0098FF, 0x985975, 0x20204C,
0xFF6C60, 0x445083, 0x8502AA, 0x72361F, 0x9676A3, 0x484449, 0xCED6C2, 0x3B164A,
0xCCA763, 0x2C7F77, 0x02227B, 0xA37E6F, 0xCDE6DC, 0xCDFFFB, 0xBE811A, 0xF77183,
0xEDE6E2, 0xCDC6B4, 0xFFE09E, 0x3A7271, 0xFF7B59, 0x4E4E01, 0x4AC684, 0x8BC891,
0xBC8A96, 0xCF6353, 0xDCDE5C, 0x5EAADD, 0xF6A0AD, 0xE269AA, 0xA3DAE4, 0x436E83,
0x002E17, 0xECFBFF, 0xA1C2B6, 0x50003F, 0x71695B, 0x67C4BB, 0x536EFF, 0x5D5A48,
0x890039, 0x969381, 0x371521, 0x5E4665, 0xAA62C3, 0x8D6F81, 0x2C6135, 0x410601,
0x564620, 0xE69034, 0x6DA6BD, 0xE58E56, 0xE3A68B, 0x48B176, 0xD27D67, 0xB5B268,
0x7F8427, 0xFF84E6, 0x435740, 0xEAE408, 0xF4F5FF, 0x325800, 0x4B6BA5, 0xADCEFF,
0x9B8ACC, 0x885138, 0x5875C1, 0x7E7311, 0xFEA5CA, 0x9F8B5B, 0xA55B54, 0x89006A,
0xAF756F, 0x2A2000, 0x576E4A, 0x7F9EFF, 0x7499A1, 0xFFB550, 0x00011E, 0xD1511C,
0x688151, 0xBC908A, 0x78C8EB, 0x8502FF, 0x483D30, 0xC42221, 0x5EA7FF, 0x785715,
0x0CEA91, 0xFFFAED, 0xB3AF9D, 0x3E3D52, 0x5A9BC2, 0x9C2F90, 0x8D5700, 0xADD79C,
0x00768B, 0x337D00, 0xC59700, 0x3156DC, 0x944575, 0xECFFDC, 0xD24CB2, 0x97703C,
0x4C257F, 0x9E0366, 0x88FFEC, 0xB56481, 0x396D2B, 0x56735F, 0x988376, 0x9BB195,
0xA9795C, 0xE4C5D3, 0x9F4F67, 0x1E2B39, 0x664327, 0xAFCE78, 0x322EDF, 0x86B487,
0xC23000, 0xABE86B, 0x96656D, 0x250E35, 0xA60019, 0x0080CF, 0xCAEFFF, 0x323F61,
0xA449DC, 0x6A9D3B, 0xFF5AE4, 0x636A01, 0xD16CDA, 0x736060, 0xFFBAAD, 0xD369B4,
0xFFDED6, 0x6C6D74, 0x927D5E, 0x845D70, 0x5B62C1, 0x2F4A36, 0xE45F35, 0xFF3B53,
0xAC84DD, 0x762988, 0x70EC98, 0x408543, 0x2C3533, 0x2E182D, 0x323925, 0x19181B,
0x2F2E2C, 0x023C32, 0x9B9EE2, 0x58AFAD, 0x5C424D, 0x7AC5A6, 0x685D75, 0xB9BCBD,
0x834357, 0x1A7B42, 0x2E57AA, 0xE55199, 0x316E47, 0xCD00C5, 0x6A004D, 0x7FBBEC,
0xF35691, 0xD7C54A, 0x62ACB7, 0xCBA1BC, 0xA28A9A, 0x6C3F3B, 0xFFE47D, 0xDCBAE3,
0x5F816D, 0x3A404A, 0x7DBF32, 0xE6ECDC, 0x852C19, 0x285366, 0xB8CB9C, 0x0E0D00,
0x4B5D56, 0x6B543F, 0xE27172, 0x0568EC, 0x2EB500, 0xD21656, 0xEFAFFF, 0x682021,
0x2D2011, 0xDA4CFF, 0x70968E, 0xFF7B7D, 0x4A1930, 0xE8C282, 0xE7DBBC, 0xA68486,
0x1F263C, 0x36574E, 0x52CE79, 0xADAAA9, 0x8A9F45, 0x6542D2, 0x00FB8C, 0x5D697B,
0xCCD27F, 0x94A5A1, 0x790229, 0xE383E6, 0x7EA4C1, 0x4E4452, 0x4B2C00, 0x620B70,
0x314C1E, 0x874AA6, 0xE30091, 0x66460A, 0xEB9A8B, 0xEAC3A3, 0x98EAB3, 0xAB9180,
0xB8552F, 0x1A2B2F, 0x94DDC5, 0x9D8C76, 0x9C8333, 0x94A9C9, 0x392935, 0x8C675E,
0xCCE93A, 0x917100, 0x01400B, 0x449896, 0x1CA370, 0xE08DA7, 0x8B4A4E, 0x667776,
0x4692AD, 0x67BDA8, 0x69255C, 0xD3BFFF, 0x4A5132, 0x7E9285, 0x77733C, 0xE7A0CC,
0x51A288, 0x2C656A, 0x4D5C5E, 0xC9403A, 0xDDD7F3, 0x005844, 0xB4A200, 0x488F69,
0x858182, 0xD4E9B9, 0x3D7397, 0xCAE8CE, 0xD60034, 0xAA6746, 0x9E5585, 0xBA6200
};
const uint16_t FibonCilindrTable [] PROGMEM = { // 45x11
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112,
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144,
160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176,
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208,
224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240
};
void loop() {
EVERY_N_SECONDS( SECONDS_PER_PALETTE ) { //random change palettes
CRGB mixColor = CRGB (random_two_shifts (),random_two_shifts (),random_two_shifts ());
next_Random_Pallete (mixColor);
}
EVERY_N_MILLISECONDS(40) { //blend current palette to next palette
nblendPaletteTowardPalette( gCurrentPalette, gTargetPalette, 16);
}
Spiral();
FastLED.show();
}
uint32_t NextRandomColor (){
static int tableIndex = 1023;
tableIndex= (tableIndex+1)%(sizeof(indexcolors)/4);
return (indexcolors[tableIndex]);
}
//main idea is generate random colors pallete
//and mix random colors with one another color (color theory)
//this makes harmonic looking pallete vs poor random palette
void next_Random_Pallete (CRGB mixColor) {
for (int i = 0; i < 16; i++) {
gTargetPalette[i] = CRGB(0, 0, 0);
}
byte leightFill = random8(8,15); //keep two or more last indexes to total black for nice spiral look
int randomIndex= random16(1024);
for( int i = 0; i < 4; i++) {
// uint32_t randomColor32 = NextRandomColor (); //got 32 bit random number and split it to 3 random 8 bit below
// byte b = randomColor32 ; //mix two value and divide by 2
// byte g = randomColor32>>8; //same
// byte r = randomColor32>>16; //same
gTargetPalette[i*3] = indexcolors[randomIndex];
randomIndex = (randomIndex+1)%1024;
gTargetPalette[i*3+1] =indexcolors[randomIndex];
randomIndex = (randomIndex+1)%1024;
gTargetPalette[i*3+2] = indexcolors[randomIndex];
}
// gTargetPalette[12] = 0;
// gTargetPalette[13] = 0;
// gTargetPalette[14] = 0;
// gTargetPalette[15] = 0;
}
//Spiral_____________________________________
void Spiral () {
uint16_t a=millis()/8;
float scale = (sin(a/32*PI/180)*18)-6;
float scale1 =0;
for (int i = 0; i < NUM_COLS_CILINDR; i++) {
for (int j = 0; j < NUM_ROWS_CILINDR; j++) {
uint16_t index = XY_CILINDR(i,j);
if (index == lastSafeIndex) continue;
CRGB newcolor = ColorFromPalette( gCurrentPalette, (i*255/(NUM_COLS_CILINDR-1)+j*255/(NUM_ROWS_CILINDR-1))+(int)scale1+a+sin16(a)/16384, 255);
nblend( leds[index], newcolor, 16);
}
scale1 += scale;
}
}
//system procedures_____________________________________
uint16_t XY_CILINDR(byte x, byte y) { // calculate index in leds from XY coordinates for cilindrical mapping
uint16_t ledsindex = pgm_read_word (FibonCilindrTable+y*NUM_COLS_CILINDR+x);
return (ledsindex);
}
uint32_t random_two_shifts() { //found this in https://cdn.hackaday.io/files/10721458687264/bh-badge-animate.c
static uint32_t r_z = 362436069, r_w = 521288629;
r_z = 36969 * (r_z & 65535) + (r_z >> 16);
r_w = 18000 * (r_w & 65535) + (r_w >> 16);
return (r_z << 16) + r_w;
}