#include "FastLED.h"  // 此示例程序需要使用FastLED库

#define NUM_LEDS 8               // LED灯珠数量
#define DATA_PIN 6               // Arduino输出控制信号引脚
#define LED_TYPE WS2812          // LED灯带型号
#define COLOR_ORDER GRB          // RGB灯珠中红色、绿色、蓝色LED的排列顺序
CHSV myHSVcolor(252, 255, 255);  //HSV方法定义颜色  myHSVcolor（色调，饱和度，明亮度）
uint8_t max_bright = 238;         // LED亮度控制变量，可使用数值为 0 ～ 255， 数值越大则光带亮度越高

CRGB leds[NUM_LEDS];  // 建立光带leds
long int previousMillis = 0;
long int Temp001 = 250;
long int currentLed = 0;
int delta = 4;
long int jia_su = 0;
int r = 30;  //myRGBcolor(0, 0 ,50)
int g = 255;  //myRGBcolor(0, 0 ,50)
int b = 155;  //myRGBcolor(0, 0 ,0)
void setup() {
  Serial.begin(9600);                                             // 启动串行通讯
  delay(100);                                                     // 稳定性等待
  LEDS.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS);  // 初始化光带
  FastLED.setBrightness(max_bright);                              // 设置光带亮度
}

void loop() {
  unsigned long currentMillis2 = millis();
  if (currentMillis2 - previousMillis >= Temp001) {
    previousMillis = currentMillis2;
    FastLED.clear();
    leds[currentLed] = CHSV(r, g, b);
    leds[delta] = CHSV(r, g, b);
    // leds[currentLed+8] = CHSV(252, 255, 255);
    // leds[currentLed+12] = CHSV(252, 255, 255);
    FastLED.show();
    currentLed++;
    delta++;
    jia_su++;
    int num = random(20);  //产生随机数范围为：0~100
    int num1 = random(10);  //产生随机数范围为：0~100
       Serial.println(Temp001);
    // if (!(currentLed < (NUM_LEDS) && currentLed >= 0))
    if (currentLed >= 8) {
      currentLed = 0;
    }
    if (delta >= 8) {
      delta = 0;
    }
    if (jia_su <= 250) {
      // jia_su = 0;
      Temp001--;
    } else {
      Temp001 = 30 - num;
    }
    if (jia_su == 150) {
       r = 255;  //myRGBcolor(0, 0 ,50)
       g = 251;  //myRGBcolor(0, 0 ,50)
       b = 255;
    }
    if (Temp001 <= 22) {
       r = 255-num1;  //myRGBcolor(0, 0 ,50)
       g = 251;  //myRGBcolor(0, 0 ,50)
       b = 255;
    }
  }
}