Random Pixel Drop.ino

#include <FastLED.h>

// LED setup

#define Height 125
#define DATA_PIN 4
#define NUM_LEDS 125
#define LED_TYPE WS2812B
#define COLOR_ORDER GRB
uint8_t ledBrightness = 85;
#define FRAMES_PER_SECOND  10

CRGB leds[NUM_LEDS];

void setup()
{
  delay(3000); // 3 second delay for recovery
  // LED Init
  FastLED.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS).setDither(0);
  FastLED.setBrightness(ledBrightness);
  FastLED.show();
}

void loop()
{


    
  EVERY_N_MILLIS(100) // falling speed
  {
 
    for (int8_t row=Height-1; row>=0; row--)
    {
            
        if (leds[(row)] == CRGB(0,0,175))
        {
          leds[(row)] = CRGB::Black;
        
          if (row < Height-1) leds[(row+1)] = CRGB(0,0,175);
        
        }
      
    }
 
   Fill_Green();
    Generat_Pixel();

    FastLED.show();
    FastLED.delay(1000/FRAMES_PER_SECOND); 
  }
}


void Fill_Green()
{
 
   for( int fill = 125; fill >100; fill--) 
       leds[fill] = CRGB::Green; 
 
     
}

void Generat_Pixel()
{
      if (random8(6) == 0 ) 
    {
      int8_t GeneratePixel = random8(3);
      for (int8_t i =0; i < GeneratePixel ; i++) 
      {
      leds[(i)] = CRGB(0,0,175 );
    }
    }
}