minimum distance reader - glitching

minimum_distance_reader_glitching

#include <IntStatistics.h>
#include <Statistics.h>

Statistics stats (100);

#include <FastLED.h>
#include <Wire.h>


#define NUM_LEDS 100
#define datapin 6
#define LED_TYPE WS2811


CRGB leds[NUM_LEDS];

const int trigPin = 10;
const int echoPin = 11;
// defines variables
long duration;
int distance;

int oldValue;
int lightingVal;

void setup() {

  Wire.begin(8);                // join i2c bus with address #8
  Wire.onReceive(receiveEvent); // register event
  Serial.begin(9600);

  FastLED.addLeds<WS2811, datapin>(leds, NUM_LEDS);

  pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
  pinMode(echoPin, INPUT); // Sets the echoPin as an Input
  // Serial.begin(9600);

}

int x;
int minim;
uint8_t gHue;
int bpm;
int r;
int g;

void loop() {


  //distance code

  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  // Reads the echoPin, returns the sound wave travel time in microseconds
  duration = pulseIn(echoPin, HIGH);
  // Calculating the distance
  distance = duration * 0.034 / 2;
  // Prints the distance on the Serial Monitor
  //Serial.print("Distance: ");
  //Serial.println(distance);


  // Minimum distance detection code
  // main code

  {
    stats.addData(distance);
    //Serial.print("Minimum: ");
    //Serial.println(stats.minVal());
    minim = (stats.minVal());
    //Serial.println(minim);
  }

  // COLLECT AND CALCULATE MIN DATA PER SWEEP

  if (x > 110) {
    stats.reset();
  }
  if (x < 43)
  {
    lightingVal = minim;
  }

  // LIGHTING STATES

  if (lightingVal < 50) {

    for (int j = 0; j < NUM_LEDS; j++) leds[j].fadeToBlackBy(8);
    FastLED.show();
  }


  if (lightingVal >= 50 && lightingVal < 80) {


    r = beatsin8(35, 0, 255);
    fill_solid(leds, NUM_LEDS, CRGB(r, 0, 0));
    FastLED.show();


  }

  if (lightingVal >= 80 && lightingVal < 150) {
    int sHue = beatsin8(23, 0, 25);
    int eHue = beatsin8(25, 0, 25);

    fill_gradient(leds, NUM_LEDS, CHSV(sHue, 255, 255), CHSV(eHue, 255, 255), SHORTEST_HUES);
    FastLED.show();


  }



  if (lightingVal > 150) {

    EVERY_N_MILLISECONDS (5) {
      gHue++;
    }
    fill_rainbow(leds, NUM_LEDS, gHue, 5);
    FastLED.show();

  }

  Serial.println(lightingVal);



}
void receiveEvent(int howMany) {
  while (1 < Wire.available()) { // loop through all but the last
    char c = Wire.read(); // receive byte as a character
    //Serial.print(c);         // print the character
  }
  x = Wire.read();    // receive byte as an integer
  // Serial.println(x);         // print the integer
}