pattern2.ino

#include "FastLED.h"

#define NUM_LEDS 288

CRGB leds[NUM_LEDS];

static uint32_t x_1;
static uint32_t y_1;
static uint32_t z_1;

uint8_t noise[NUM_LEDS];


void setup() {
  FastLED.addLeds<APA102, 7, 14, BGR, DATA_RATE_MHZ(24)>(leds, NUM_LEDS);
}

void loop() {
  pattern2();
}

void pattern2() {

  //fill noise
  x_1 += 200;
  y_1 += 300;
  for (int i = 0; i < NUM_LEDS; i++) {
    uint8_t data = inoise16(x_1 , y_1 + (i * 4000), z_1) >> 8;
    noise[i] = data;
  }

  // map noise
  for (int i = 0; i < NUM_LEDS; i++) {
    uint8_t index = (noise[i] / 2) - 64;
    uint8_t bri =   noise[i];
    CRGB color = CHSV( index, 255, bri);
    leds[i] = color;
  }
  LEDS.show();
}