dropLoop

int speedDrop = 5;
float fpsDrop = 0.08;
int spacingDrop = 10;
int particlesDrop = 6;
float rowDelayDrop = 0.50;

int id(int row, int col) {
  return col + 90*row;
}

for (float i = 0; i < 6.0; i += fpsDrop) {
      int position[particlesDrop];
      for (int k = 0; k < 4; k++) {
       for (int j = 0; j < particlesDrop; j++) {
         position[j] = (int) ((89-(j*spacingDrop))*(i-rowDelayDrop*k) - ((22.25-(j*1.25)) * (i-rowDelayDrop*k)*(i-rowDelayDrop*k)));
          if (position[j] > 0 && position[j]) {
           leds[id(k, position[j])] = CRGB((int) 150.0 *((float) j/(float) particlesDrop), (int) 150.0 *((float) j/(float) particlesDrop), 255);
          }
        }
      }
      FastLED.show();
      delay(speedDrop);
      FastLED.clear();